java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3142e50-m [2018-09-10 13:05:54,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-10 13:05:54,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-10 13:05:54,356 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-10 13:05:54,356 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-10 13:05:54,357 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-10 13:05:54,358 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-10 13:05:54,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-10 13:05:54,362 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-10 13:05:54,363 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-10 13:05:54,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-10 13:05:54,364 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-10 13:05:54,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-10 13:05:54,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-10 13:05:54,367 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-10 13:05:54,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-10 13:05:54,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-10 13:05:54,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-10 13:05:54,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-10 13:05:54,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-10 13:05:54,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-10 13:05:54,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-10 13:05:54,378 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-10 13:05:54,387 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-10 13:05:54,402 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-10 13:05:54,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-10 13:05:54,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-10 13:05:54,404 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-10 13:05:54,404 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-10 13:05:54,404 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-10 13:05:54,405 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-10 13:05:54,405 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-10 13:05:54,405 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-10 13:05:54,405 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-10 13:05:54,405 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-10 13:05:54,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-10 13:05:54,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-10 13:05:54,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-10 13:05:54,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-10 13:05:54,407 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-10 13:05:54,407 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-10 13:05:54,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-10 13:05:54,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-10 13:05:54,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-10 13:05:54,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-10 13:05:54,408 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-10 13:05:54,408 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-10 13:05:54,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 13:05:54,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-10 13:05:54,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-10 13:05:54,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-10 13:05:54,409 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-10 13:05:54,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-10 13:05:54,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-10 13:05:54,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-10 13:05:54,410 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-10 13:05:54,410 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-10 13:05:54,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-10 13:05:54,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-10 13:05:54,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-10 13:05:54,480 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-10 13:05:54,480 INFO L276 PluginConnector]: CDTParser initialized [2018-09-10 13:05:54,481 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-09-10 13:05:54,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209dc9fd8/aa117d5eb792423da1404ccf565a0923/FLAG657dd5d80 [2018-09-10 13:05:55,009 INFO L276 CDTParser]: Found 1 translation units. [2018-09-10 13:05:55,010 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/MADWiFi-encode_ie_ok_true-unreach-call_true-termination.i [2018-09-10 13:05:55,016 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209dc9fd8/aa117d5eb792423da1404ccf565a0923/FLAG657dd5d80 [2018-09-10 13:05:55,033 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/209dc9fd8/aa117d5eb792423da1404ccf565a0923 [2018-09-10 13:05:55,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-10 13:05:55,049 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-10 13:05:55,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-10 13:05:55,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-10 13:05:55,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-10 13:05:55,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed92a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55, skipping insertion in model container [2018-09-10 13:05:55,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,234 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-10 13:05:55,273 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 13:05:55,290 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-10 13:05:55,297 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-10 13:05:55,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55 WrapperNode [2018-09-10 13:05:55,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-10 13:05:55,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-10 13:05:55,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-10 13:05:55,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-10 13:05:55,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-10 13:05:55,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-10 13:05:55,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-10 13:05:55,339 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-10 13:05:55,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... [2018-09-10 13:05:55,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-10 13:05:55,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-10 13:05:55,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-10 13:05:55,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-10 13:05:55,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:05:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-10 13:05:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-10 13:05:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-10 13:05:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-10 13:05:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-10 13:05:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-10 13:05:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-10 13:05:55,442 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 13:05:55,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_MADWiFi_encode_ie_ok_true_unreach_call_true_termination_i____VERIFIER_assert [2018-09-10 13:05:56,048 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-10 13:05:56,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:05:56 BoogieIcfgContainer [2018-09-10 13:05:56,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-10 13:05:56,050 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-09-10 13:05:56,050 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-09-10 13:05:56,050 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-09-10 13:05:56,051 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:05:56" (1/1) ... [2018-09-10 13:05:56,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-10 13:05:56,621 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-10 13:05:56,647 INFO L272 AbstractInterpreter]: Visited 40 different actions 353 times. Merged at 13 different actions 100 times. Widened at 1 different actions 11 times. Found 23 fixpoints after 6 different actions. Largest state had 11 variables. [2018-09-10 13:05:56,649 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-09-10 13:05:56,651 INFO L168 Benchmark]: Toolchain (without parser) took 1604.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -708.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-09-10 13:05:56,654 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 13:05:56,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-10 13:05:56,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 13:05:56,656 INFO L168 Benchmark]: Boogie Preprocessor took 23.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-10 13:05:56,657 INFO L168 Benchmark]: RCFGBuilder took 686.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -763.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2018-09-10 13:05:56,658 INFO L168 Benchmark]: Abstract Interpretation took 599.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2018-09-10 13:05:56,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 686.35 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -763.2 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 599.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L12] int p; [L13] int i; [L14] int leader_len; [L15] int bufsize; [L16] int bufsize_0; [L17] int ielen; [L18] leader_len = __VERIFIER_nondet_int() [L19] bufsize = __VERIFIER_nondet_int() [L20] ielen = __VERIFIER_nondet_int() [L21] COND FALSE !(!(leader_len < 1000000)) [L22] COND FALSE !(!(bufsize < 1000000)) [L23] COND FALSE !(!(ielen < 1000000)) [L24] COND TRUE leader_len >0 [L25] COND TRUE bufsize >0 [L26] COND TRUE ielen >0 [L27] COND FALSE !(bufsize < leader_len) [L29] p = 0 [L30] bufsize_0 = bufsize [L31] bufsize -= leader_len [L32] p += leader_len [L33] COND FALSE !(bufsize < 2*ielen) [L35] i = 0 [L35] COND TRUE i < ielen && bufsize > 2 [L36] CALL __VERIFIER_assert(0<=p) [L4] COND FALSE, RET !(!(cond)) [L36] __VERIFIER_assert(0<=p) [L37] CALL __VERIFIER_assert(p+1