./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.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-bad-buffer-mult-alt2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b 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-bad-buffer-mult-alt2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.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-8857f20-m [2024-01-29 22:58:02,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:58:02,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:58:02,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:58:02,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:58:02,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:58:02,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:58:02,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:58:02,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:58:02,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:58:02,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:58:02,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:58:02,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:58:02,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:58:02,677 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:58:02,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:58:02,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:58:02,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:58:02,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:58:02,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:58:02,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:58:02,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:58:02,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:58:02,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:58:02,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:58:02,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:58:02,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:58:02,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:58:02,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:58:02,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:58:02,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:58:02,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:58:02,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:02,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:58:02,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:58:02,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:58:02,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:58:02,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:58:02,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:58:02,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:58:02,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:58:02,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:58:02,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:58:02,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:58:02,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:58:02,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:58:02,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:58:02,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:58:02,969 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:58:02,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 22:58:04,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:58:04,213 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:58:04,214 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 22:58:04,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af18188a/c63ce8653cfa4660910d1d0096f20b35/FLAGa5163cd75 [2024-01-29 22:58:04,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af18188a/c63ce8653cfa4660910d1d0096f20b35 [2024-01-29 22:58:04,243 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:58:04,244 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:58:04,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt2.wvr.yml/witness.yml [2024-01-29 22:58:04,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:58:04,438 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:58:04,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:04,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:58:04,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:58:04,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:04" (1/2) ... [2024-01-29 22:58:04,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e37285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:04, skipping insertion in model container [2024-01-29 22:58:04,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:58:04" (1/2) ... [2024-01-29 22:58:04,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f74cee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:58:04, skipping insertion in model container [2024-01-29 22:58:04,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:04" (2/2) ... [2024-01-29 22:58:04,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e37285 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04, skipping insertion in model container [2024-01-29 22:58:04,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:04" (2/2) ... [2024-01-29 22:58:04,447 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:58:04,524 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:58:04,525 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] 0 <= i [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (q2 == 0) && (j == 0) [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,526 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] 0 <= i [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L169-L169] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] 0 <= i [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (0 <= i) && (0 <= q2_back) [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Loop invariant at [L105-L114] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-29 22:58:04,527 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,528 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,528 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,528 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-29 22:58:04,528 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 0 <= i [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (q1_front == 0) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (n2 == 0) [2024-01-29 22:58:04,529 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (q2_front == 0) [2024-01-29 22:58:04,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (q2_back == 0) [2024-01-29 22:58:04,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (n1 == 0) [2024-01-29 22:58:04,530 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (N == 0)) && (q1_back == 0) [2024-01-29 22:58:04,531 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] q1 == 0 [2024-01-29 22:58:04,531 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,531 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] (0 <= i) && (q2 == 0) [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] 0 <= i [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] ((0 <= i) && (q2 == 0)) && (total == 0) [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] ((0 <= i) && (q2 == 0)) && (j == 0) [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] ((0 <= i) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,532 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (-2147483647 <= q1_front) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] -2147483647 <= q1_front [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (-2147483647 <= q1_front) && (0 <= i) [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (-2147483647 <= q1_front) && (0 <= j) [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (-2147483647 <= q1_back) && (0 <= j) [2024-01-29 22:58:04,533 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] ((-2147483647 <= q1_back) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,534 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] -2147483647 <= q1_back [2024-01-29 22:58:04,534 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] ((-2147483647 <= q1_back) && (0 <= j)) && (1 <= i) [2024-01-29 22:58:04,534 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,534 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] ((q2 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,535 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] q2 == 0 [2024-01-29 22:58:04,535 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] ((q2 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,535 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (n2 == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (n1 == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (n2 == 0) [2024-01-29 22:58:04,536 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (i == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (q2_front == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (q2_back == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (n1 == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (q1_back == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,537 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] ((-2147483647 <= q1_back) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (((-2147483647 <= q1_back) && (0 <= i)) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (-2147483647 <= q1_back) && (0 <= i) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_front == 0) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_front == 0)) && (n1 == 0) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (q1_back == 0) [2024-01-29 22:58:04,538 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_front == 0)) && (q2_back == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_front == 0)) && (n2 == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (q1_front == 0) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] ((-2147483647 <= q2_front) && (0 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (-2147483647 <= q2_front) && (0 <= i) [2024-01-29 22:58:04,539 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] ((-2147483647 <= q2_front) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] -2147483647 <= q2_front [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (i == 0) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (i == 0)) && (n2 == 0) [2024-01-29 22:58:04,540 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (n2 == 0) [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (n1 == 0) [2024-01-29 22:58:04,541 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,542 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-29 22:58:04,542 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_front == 0) [2024-01-29 22:58:04,542 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (q2 == 0)) && (i == 0)) && (q2_back == 0) [2024-01-29 22:58:04,543 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] ((q1 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,544 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (q1 == 0) && (i == 0) [2024-01-29 22:58:04,544 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,544 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (i == 0)) && (total == 0)) && (n1 == 0) [2024-01-29 22:58:04,544 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (i == 0)) && (total == 0)) && (q2_back == 0) [2024-01-29 22:58:04,544 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (((q1 == 0) && (i == 0)) && (total == 0)) && (n2 == 0) [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] q1 == 0 [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (i == 0) && (j == 0) [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] ((i == 0) && (j == 0)) && (total == 0) [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] i == 0 [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] (q2 == 0) && (total == 0) [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] q2 == 0 [2024-01-29 22:58:04,545 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] ((q2 == 0) && (total == 0)) && ((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)) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Loop invariant at [L160-L162] (q2 == 0) && (j == 0) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] 0 <= i [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-29 22:58:04,546 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((0 <= i) && (0 <= j)) && (0 <= q1_back) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (((0 <= i) && (0 <= j)) && (0 <= q1_back)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] 0 <= i [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,547 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] ((0 <= i) && (0 <= j)) && (0 <= q1_front) [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] ((q2 == 0) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] q2 == 0 [2024-01-29 22:58:04,548 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] ((q2 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,549 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,549 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-29 22:58:04,549 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,549 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (-2147483647 <= N) && (i == 0) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] -2147483647 <= N [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (-2147483647 <= N) && (M <= 2147483646) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] ((-2147483647 <= N) && (i == 0)) && (total == 0) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] ((-2147483647 <= N) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,550 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] 0 <= i [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] 0 <= i [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Loop invariant at [L69-L78] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,551 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] 0 <= i [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] -2147483647 <= q2_back [2024-01-29 22:58:04,552 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (-2147483647 <= q2_back) && (1 <= j) [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (-2147483647 <= q2_back) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] (q2 == 0) && (j == 0) [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] q2 == 0 [2024-01-29 22:58:04,553 INFO L98 nessWitnessExtractor]: Location invariant before [L157-L157] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,554 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,554 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,554 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,555 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,557 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,557 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= i [2024-01-29 22:58:04,557 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,557 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] 0 <= i [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0) [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (M == 0) [2024-01-29 22:58:04,562 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (q1_back == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (n2 == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (q2_front == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (C == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (q1 == 0) && (i == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (q2_back == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (q1_front == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (n1 == 0) [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] q1 == 0 [2024-01-29 22:58:04,563 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (((q1 == 0) && (i == 0)) && (j == 0)) && (N == 0) [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,564 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 22:58:04,565 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 22:58:04,565 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-29 22:58:04,565 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((q1 == 0) && (q2 == 0)) && (total == 0) [2024-01-29 22:58:04,565 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] ((-2147483647 <= q2_back) && (0 <= i)) && (0 <= j) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] -2147483647 <= q2_back [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] ((-2147483647 <= q2_back) && (0 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (total == 0) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] q2 == 0 [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,566 INFO L98 nessWitnessExtractor]: Location invariant before [L159-L159] (q2 == 0) && (j == 0) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] 0 <= i [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L168-L168] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] (i == 0) && (total == 0) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] (i == 0) && (j == 0) [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] 0 <= i [2024-01-29 22:58:04,567 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((q1 == 0) && (total == 0)) && (N == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (q1 == 0) && (total == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (q2_front == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (q1 == 0) && (i == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] q1 == 0 [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (q2_back == 0) [2024-01-29 22:58:04,568 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (q1_back == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (n2 == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (q1 == 0) && (j == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (q1_front == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] (q1 == 0) && (q2 == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((((q1 == 0) && (total == 0)) && (N == 0)) && (M == 0)) && (n1 == 0) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (0 <= i) && (0 <= q2_front) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,569 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,570 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,571 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] 0 <= i [2024-01-29 22:58:04,571 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,571 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,571 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-29 22:58:04,571 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (total == 0) [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (i == 0) [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (j == 0) [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] ((q2 == 0) && (total == 0)) && (size != 0) [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] ((q2 == 0) && (total == 0)) && ((((((((((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)) [2024-01-29 22:58:04,572 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L60] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Loop invariant at [L87-L96] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] 0 <= i [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] (0 <= i) && (b <= -1) [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] (0 <= i) && (b != 0) [2024-01-29 22:58:04,573 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] (0 <= i) && (0 <= j) [2024-01-29 22:58:04,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:58:04,740 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-bad-buffer-mult-alt2.wvr.c[4226,4239] [2024-01-29 22:58:04,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:04,760 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 22:58:04,769 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 Start Parsing Local Start Parsing Local [2024-01-29 22:58:04,885 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-bad-buffer-mult-alt2.wvr.c[4226,4239] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:58:04,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:58:04,909 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:58:04,909 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04 WrapperNode [2024-01-29 22:58:04,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:58:04,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:04,910 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:58:04,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:58:04,915 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 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:04,933 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 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,004 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 653 [2024-01-29 22:58:05,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:58:05,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:58:05,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:58:05,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:58:05,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,092 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 6, 2, 2]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 2, 1, 1]. [2024-01-29 22:58:05,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:58:05,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:58:05,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:58:05,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:58:05,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (1/1) ... [2024-01-29 22:58:05,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:58:05,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:58:05,214 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) [2024-01-29 22:58:05,244 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 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:58:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:58:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 22:58:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 22:58:05,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 22:58:05,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:58:05,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:58:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:58:05,263 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:58:05,390 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:58:05,392 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:58:06,388 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:58:06,389 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:58:07,229 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:58:07,230 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 22:58:07,231 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:07 BoogieIcfgContainer [2024-01-29 22:58:07,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:58:07,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:58:07,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:58:07,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:58:07,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:58:04" (1/4) ... [2024-01-29 22:58:07,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc29cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:58:07, skipping insertion in model container [2024-01-29 22:58:07,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:58:04" (2/4) ... [2024-01-29 22:58:07,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc29cce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:07, skipping insertion in model container [2024-01-29 22:58:07,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:58:04" (3/4) ... [2024-01-29 22:58:07,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc29cce and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:58:07, skipping insertion in model container [2024-01-29 22:58:07,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:58:07" (4/4) ... [2024-01-29 22:58:07,240 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt2.wvr.c [2024-01-29 22:58:07,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:58:07,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 323 error locations. [2024-01-29 22:58:07,256 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:58:07,502 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 22:58:07,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 573 transitions, 1174 flow [2024-01-29 22:58:07,651 INFO L124 PetriNetUnfolderBase]: 6/569 cut-off events. [2024-01-29 22:58:07,651 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 22:58:07,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 569 events. 6/569 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1695 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 511. Up to 2 conditions per place. [2024-01-29 22:58:07,658 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 573 transitions, 1174 flow [2024-01-29 22:58:07,669 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 575 places, 568 transitions, 1160 flow [2024-01-29 22:58:07,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:58:07,681 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;@3df43d60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:58:07,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 473 error locations. [2024-01-29 22:58:07,682 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:58:07,683 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:58:07,683 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:58:07,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:58:07,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:58:07,684 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 470 more)] === [2024-01-29 22:58:07,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:58:07,687 INFO L85 PathProgramCache]: Analyzing trace with hash 77571, now seen corresponding path program 1 times [2024-01-29 22:58:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:58:07,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847569630] [2024-01-29 22:58:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:58:07,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:58:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:58:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:58:07,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:58:07,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847569630] [2024-01-29 22:58:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847569630] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:58:07,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:58:07,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:58:07,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145738481] [2024-01-29 22:58:07,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:58:07,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:58:07,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:58:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:58:07,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:58:08,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 573 [2024-01-29 22:58:08,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 568 transitions, 1160 flow. Second operand has 3 states, 3 states have (on average 315.6666666666667) internal successors, (947), 3 states have internal predecessors, (947), 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) [2024-01-29 22:58:08,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:58:08,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 573 [2024-01-29 22:58:08,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand