./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.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-alt.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-alt.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-bad-buffer-mult-alt.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 23:21:59,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 23:21:59,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 23:21:59,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 23:21:59,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 23:21:59,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 23:21:59,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 23:21:59,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 23:21:59,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 23:21:59,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 23:21:59,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 23:21:59,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 23:21:59,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 23:21:59,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 23:21:59,741 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 23:21:59,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 23:21:59,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 23:21:59,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 23:21:59,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 23:21:59,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 23:21:59,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 23:21:59,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 23:21:59,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 23:21:59,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 23:21:59,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 23:21:59,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 23:21:59,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 23:21:59,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 23:21:59,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 23:21:59,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 23:21:59,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 23:21:59,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 23:21:59,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:21:59,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 23:21:59,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 23:21:59,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 23:21:59,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 23:21:59,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 23:21:59,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 23:21:59,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 23:21:59,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 23:21:59,749 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 23:21:59,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 23:21:59,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 23:21:59,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 23:21:59,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 23:21:59,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 23:21:59,991 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 23:21:59,992 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 23:21:59,993 INFO L431 ainManager$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-alt.wvr.yml/witness.yml [2024-01-29 23:22:00,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 23:22:00,186 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 23:22:00,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-29 23:22:01,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 23:22:01,507 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 23:22:01,508 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-01-29 23:22:01,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb0f728b/50e5cf709e4041d2b468a246d11c383f/FLAGbb7c5fe44 [2024-01-29 23:22:01,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdb0f728b/50e5cf709e4041d2b468a246d11c383f [2024-01-29 23:22:01,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 23:22:01,529 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 23:22:01,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 23:22:01,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 23:22:01,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 23:22:01,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:22:00" (1/2) ... [2024-01-29 23:22:01,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f336858 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:22:01, skipping insertion in model container [2024-01-29 23:22:01,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:22:00" (1/2) ... [2024-01-29 23:22:01,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@488f924b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 11:22:01, skipping insertion in model container [2024-01-29 23:22:01,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:22:01" (2/2) ... [2024-01-29 23:22:01,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f336858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:01, skipping insertion in model container [2024-01-29 23:22:01,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:22:01" (2/2) ... [2024-01-29 23:22:01,541 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 23:22:01,610 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 23:22:01,612 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,612 INFO L98 nessWitnessExtractor]: Loop invariant at [L71-L82] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,612 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,612 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] 0 <= i [2024-01-29 23:22:01,612 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] q2 == 0 [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] ((q2 == 0) && (j == 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 23:22:01,613 INFO L98 nessWitnessExtractor]: Loop invariant at [L164-L166] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] q1 == 0 [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (n1 == 0) [2024-01-29 23:22:01,613 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q1_front == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q2_back == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (M == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q1_back == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (N == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q2_front == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (n2 == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,614 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,615 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (total == 0) [2024-01-29 23:22:01,615 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] (q1 == 0) && (j == 0) [2024-01-29 23:22:01,615 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,615 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,615 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] 0 <= i [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (n2 == 0) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] q1 == 0 [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,616 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] 0 <= i [2024-01-29 23:22:01,617 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,617 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,617 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,617 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] 0 <= i [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (-2147483647 <= q2_back) && (0 <= i) [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] -2147483647 <= q2_back [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((-2147483647 <= q2_back) && (0 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((-2147483647 <= q2_back) && (0 <= i)) && (0 <= j) [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] 0 <= i [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] (0 <= i) && (b != 0) [2024-01-29 23:22:01,619 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,620 INFO L98 nessWitnessExtractor]: Location invariant before [L172-L172] (0 <= i) && (1 <= b) [2024-01-29 23:22:01,620 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] 0 <= i [2024-01-29 23:22:01,620 INFO L98 nessWitnessExtractor]: Location invariant before [L173-L173] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,620 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,620 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] q2 == 0 [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L138-L138] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] 0 <= i [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,621 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] (i == 0) && (j == 0) [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] i == 0 [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L140-L140] ((i == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] 0 <= i [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] ((0 <= i) && (0 <= q2_back)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,622 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (0 <= i) && (0 <= q2_back) [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] 0 <= i [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Loop invariant at [L51-L62] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] q2 == 0 [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,623 INFO L98 nessWitnessExtractor]: Location invariant before [L163-L163] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,624 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 23:22:01,624 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,624 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (n2 == 0) [2024-01-29 23:22:01,627 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,627 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 23:22:01,627 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (n1 == 0) [2024-01-29 23:22:01,627 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] q1 == 0 [2024-01-29 23:22:01,627 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] (((q1 == 0) && (q2 == 0)) && (j == 0)) && (q2_back == 0) [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] 0 <= i [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] 0 <= i [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] q1 == 0 [2024-01-29 23:22:01,628 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (q1 == 0) && (j == 0) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L137-L137] (q1 == 0) && (total == 0) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] 0 <= i [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,629 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (j == 0)) && (n1 == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (j == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (j == 0)) && (q2_front == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (((q1 == 0) && (j == 0)) && (n1 == 0)) && (n2 == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] ((q1 == 0) && (j == 0)) && (q2_back == 0) [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] q1 == 0 [2024-01-29 23:22:01,630 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,631 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,631 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,631 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,632 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] 0 <= i [2024-01-29 23:22:01,632 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((0 <= i) && (0 <= j)) && (0 <= q1_front) [2024-01-29 23:22:01,633 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,633 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] 0 <= i [2024-01-29 23:22:01,633 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,633 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,634 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,634 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,634 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 23:22:01,634 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (n2 == 0) [2024-01-29 23:22:01,634 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (q2_front == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (n1 == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (q1_front == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (total == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (q2_back == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] q1 == 0 [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] ((q1 == 0) && (q2 == 0)) && (q1_back == 0) [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,635 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] 0 <= i [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] 0 <= i [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] (0 <= i) && (q2 == 0) [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] 0 <= i [2024-01-29 23:22:01,636 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] ((0 <= i) && (q2 == 0)) && (i == 0) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] ((0 <= i) && (q2 == 0)) && (total == 0) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L167-L167] ((0 <= i) && (q2 == 0)) && (j == 0) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] 0 <= i [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,637 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] 0 <= i [2024-01-29 23:22:01,638 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,638 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,638 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (N == 0) [2024-01-29 23:22:01,638 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (q2_front == 0) [2024-01-29 23:22:01,638 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (q2_back == 0) [2024-01-29 23:22:01,639 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (total == 0) [2024-01-29 23:22:01,639 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (q1_front == 0) [2024-01-29 23:22:01,639 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (C == 0) [2024-01-29 23:22:01,639 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,639 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (j == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] q1 == 0 [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (q1_back == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (i == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (M == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (((q1 == 0) && (q2 == 0)) && (N == 0)) && (n2 == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] ((q1 == 0) && (q2 == 0)) && (n1 == 0) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (-2147483647 <= q2_front) && (0 <= j) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] ((-2147483647 <= q2_front) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,640 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] -2147483647 <= q2_front [2024-01-29 23:22:01,641 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] (-2147483647 <= q2_front) && (0 <= i) [2024-01-29 23:22:01,641 INFO L98 nessWitnessExtractor]: Loop invariant at [L109-L118] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,641 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,641 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,641 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,642 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] 0 <= i [2024-01-29 23:22:01,642 INFO L98 nessWitnessExtractor]: Loop invariant at [L91-L100] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,642 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,642 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] 0 <= i [2024-01-29 23:22:01,642 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,643 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] 0 <= i [2024-01-29 23:22:01,643 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] (0 <= i) && (b != 0) [2024-01-29 23:22:01,643 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] (0 <= i) && (b <= -1) [2024-01-29 23:22:01,644 INFO L98 nessWitnessExtractor]: Location invariant before [L171-L171] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,644 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,644 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] ((-2147483647 <= q1_back) && (0 <= i)) && (0 <= j) [2024-01-29 23:22:01,644 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (-2147483647 <= q1_back) && (0 <= i) [2024-01-29 23:22:01,644 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (((-2147483647 <= q1_back) && (0 <= i)) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,645 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] -2147483647 <= q1_back [2024-01-29 23:22:01,645 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] ((0 <= j) && (1 <= i)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,647 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (0 <= j) && (1 <= i) [2024-01-29 23:22:01,647 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] 0 <= j [2024-01-29 23:22:01,648 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,648 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] 0 <= i [2024-01-29 23:22:01,652 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] 0 <= i [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] 0 <= i [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,653 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] 0 <= i [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] 0 <= i [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (n1 == 0) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (q1_front == 0) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (q2_back == 0) [2024-01-29 23:22:01,654 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (q1_back == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (q2_front == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (N == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] q1 == 0 [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0)) && (n2 == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] q2 == 0 [2024-01-29 23:22:01,655 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((q2 == 0) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] (-2147483647 <= N) && (M <= 2147483646) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] ((-2147483647 <= N) && (M <= 2147483646)) && (i == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] ((-2147483647 <= N) && (M <= 2147483646)) && (j == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] -2147483647 <= N [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L141-L141] ((-2147483647 <= N) && (M <= 2147483646)) && (total == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] (q2 == 0) && (total == 0) [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] q2 == 0 [2024-01-29 23:22:01,656 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L160-L160] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (-2147483647 <= q1_front) && (0 <= j) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] -2147483647 <= q1_front [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (-2147483647 <= q1_front) && (0 <= i) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] ((-2147483647 <= q1_front) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((0 <= i) && (0 <= j)) && (0 <= q1_back) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,657 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] 0 <= i [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] 0 <= i [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (0 <= i) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] ((q2 == 0) && (size != 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 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (q2 == 0) && (size != 0) [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] q2 == 0 [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,658 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (q2 == 0) && (total == 0) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L165-L165] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] ((0 <= i) && (0 <= j)) && (0 <= q2_front) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] 0 <= i [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] (0 <= i) && (1 <= j) [2024-01-29 23:22:01,659 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] 0 <= i [2024-01-29 23:22:01,660 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] ((0 <= i) && (1 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,661 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,661 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,661 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (q1 == 0) && (total == 0) [2024-01-29 23:22:01,661 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] ((q1 == 0) && (total == 0)) && (n2 == 0) [2024-01-29 23:22:01,662 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] q1 == 0 [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] ((q1 == 0) && (total == 0)) && (n1 == 0) [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L135-L135] (q1 == 0) && (j == 0) [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] q2 == 0 [2024-01-29 23:22:01,663 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (j == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (total == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L161-L161] (q2 == 0) && (i == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((q1 == 0) && (i == 0)) && (j == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (q1_back == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (total == 0) [2024-01-29 23:22:01,664 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (q1 == 0) && (i == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (q2_back == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] q1 == 0 [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (n1 == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (q1 == 0) && (q2 == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (q2_front == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] (((q1 == 0) && (i == 0)) && (j == 0)) && (n2 == 0) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,665 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] 0 <= i [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] (i == 0) && (total == 0) [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] i == 0 [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] (i == 0) && (j == 0) [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L120-L120] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] ((0 <= i) && (0 <= j)) && ((unsigned long )_argptr == 0UL) [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (0 <= i) && (0 <= j) [2024-01-29 23:22:01,666 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] 0 <= i [2024-01-29 23:22:01,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 23:22:01,871 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-alt.wvr.c[4345,4358] [2024-01-29 23:22:01,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:22:01,903 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 23:22:01,911 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 23:22:02,015 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-alt.wvr.c[4345,4358] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 23:22:02,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 23:22:02,040 INFO L206 MainTranslator]: Completed translation [2024-01-29 23:22:02,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02 WrapperNode [2024-01-29 23:22:02,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 23:22:02,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 23:22:02,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 23:22:02,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 23:22:02,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,096 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 667 [2024-01-29 23:22:02,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 23:22:02,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 23:22:02,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 23:22:02,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 23:22:02,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,127 INFO L175 MemorySlicer]: Split 16 memory accesses to 6 slices as follows [2, 2, 2, 2, 6, 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, 1, 2, 1]. [2024-01-29 23:22:02,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 23:22:02,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 23:22:02,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 23:22:02,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 23:22:02,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (1/1) ... [2024-01-29 23:22:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 23:22:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 23:22:02,208 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 23:22:02,210 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 23:22:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 23:22:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 23:22:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 23:22:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 23:22:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 23:22:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 23:22:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 23:22:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 23:22:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 23:22:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 23:22:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 23:22:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 23:22:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 23:22:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-01-29 23:22:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 23:22:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 23:22:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 23:22:02,241 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 23:22:02,341 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 23:22:02,343 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 23:22:03,321 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 23:22:03,322 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 23:22:04,233 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 23:22:04,233 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 23:22:04,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:22:04 BoogieIcfgContainer [2024-01-29 23:22:04,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 23:22:04,235 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 23:22:04,235 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 23:22:04,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 23:22:04,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 11:22:00" (1/4) ... [2024-01-29 23:22:04,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@859aad9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 11:22:04, skipping insertion in model container [2024-01-29 23:22:04,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:22:01" (2/4) ... [2024-01-29 23:22:04,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@859aad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:22:04, skipping insertion in model container [2024-01-29 23:22:04,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:22:02" (3/4) ... [2024-01-29 23:22:04,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@859aad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:22:04, skipping insertion in model container [2024-01-29 23:22:04,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:22:04" (4/4) ... [2024-01-29 23:22:04,240 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-01-29 23:22:04,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 23:22:04,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 333 error locations. [2024-01-29 23:22:04,253 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 23:22:04,428 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-01-29 23:22:04,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 594 places, 587 transitions, 1202 flow [2024-01-29 23:22:04,629 INFO L124 PetriNetUnfolderBase]: 6/583 cut-off events. [2024-01-29 23:22:04,629 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 23:22:04,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 583 events. 6/583 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1861 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 523. Up to 2 conditions per place. [2024-01-29 23:22:04,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 594 places, 587 transitions, 1202 flow [2024-01-29 23:22:04,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 589 places, 582 transitions, 1188 flow [2024-01-29 23:22:04,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 23:22:04,677 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;@125c3888, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 23:22:04,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 493 error locations. [2024-01-29 23:22:04,679 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 23:22:04,679 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 23:22:04,679 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 23:22:04,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 23:22:04,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 23:22:04,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 490 more)] === [2024-01-29 23:22:04,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 23:22:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash 84505, now seen corresponding path program 1 times [2024-01-29 23:22:04,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 23:22:04,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151081670] [2024-01-29 23:22:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 23:22:04,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 23:22:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 23:22:04,931 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 23:22:04,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 23:22:04,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151081670] [2024-01-29 23:22:04,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151081670] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 23:22:04,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 23:22:04,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 23:22:04,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054941133] [2024-01-29 23:22:04,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 23:22:04,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 23:22:04,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 23:22:04,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 23:22:04,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 23:22:05,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 587 [2024-01-29 23:22:05,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 589 places, 582 transitions, 1188 flow. Second operand has 3 states, 3 states have (on average 352.6666666666667) internal successors, (1058), 3 states have internal predecessors, (1058), 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 23:22:05,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 23:22:05,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 587 [2024-01-29 23:22:05,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand