./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/array-fpi/ifcompf.c --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/ifcompf.yml/witness.yml --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03fe66fa 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/array-fpi/ifcompf.c ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/ifcompf.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 --preprocessor.replace.while.statements.and.if-then-else.statements false --icfgbuilder.size.of.a.code.block SequenceOfStatements --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.yaml-violation-witnesses-03fe66f-m [2024-08-15 18:03:47,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:03:48,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:03:48,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:03:48,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:03:48,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:03:48,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:03:48,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:03:48,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:03:48,043 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:03:48,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:03:48,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:03:48,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:03:48,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:03:48,045 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:03:48,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:03:48,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:03:48,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:03:48,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:03:48,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:03:48,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:03:48,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:03:48,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:03:48,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:03:48,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:03:48,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:03:48,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:03:48,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:03:48,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:03:48,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:03:48,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:03:48,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:03:48,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:03:48,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:03:48,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:03:48,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:03:48,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:03:48,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:03:48,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:03:48,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:03:48,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:03:48,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:03:48,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:03:48,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:03:48,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:03:48,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:03:48,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:03:48,379 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:03:48,380 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:03:48,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/ifcompf.yml/witness.yml [2024-08-15 18:03:48,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:03:48,508 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:03:48,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ifcompf.c [2024-08-15 18:03:50,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:03:50,276 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:03:50,277 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifcompf.c [2024-08-15 18:03:50,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb317514/9a32901a89b14c3786cbbc906b5844e1/FLAG0d0129ad1 [2024-08-15 18:03:50,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fb317514/9a32901a89b14c3786cbbc906b5844e1 [2024-08-15 18:03:50,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:03:50,298 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:03:50,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:03:50,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:03:50,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:03:50,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:03:48" (1/2) ... [2024-08-15 18:03:50,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17871bd4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:03:50, skipping insertion in model container [2024-08-15 18:03:50,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:03:48" (1/2) ... [2024-08-15 18:03:50,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6daa75d4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:03:50, skipping insertion in model container [2024-08-15 18:03:50,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:03:50" (2/2) ... [2024-08-15 18:03:50,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17871bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50, skipping insertion in model container [2024-08-15 18:03:50,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:03:50" (2/2) ... [2024-08-15 18:03:50,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:03:50,502 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifcompf.c[590,603] [2024-08-15 18:03:50,541 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:03:50,554 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:03:50,565 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifcompf.c[590,603] [2024-08-15 18:03:50,577 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:03:50,608 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:03:50,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50 WrapperNode [2024-08-15 18:03:50,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:03:50,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:03:50,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:03:50,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:03:50,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,650 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 2, 2, 2]. [2024-08-15 18:03:50,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,661 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:03:50,664 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:03:50,665 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:03:50,665 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:03:50,666 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (1/1) ... [2024-08-15 18:03:50,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:03:50,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:03:50,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-08-15 18:03:50,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-08-15 18:03:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-08-15 18:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-08-15 18:03:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:03:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:03:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2024-08-15 18:03:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-15 18:03:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-08-15 18:03:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:03:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:03:50,827 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:03:50,829 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:03:51,079 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-08-15 18:03:51,079 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:03:51,089 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:03:51,090 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:03:51,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:03:51 BoogieIcfgContainer [2024-08-15 18:03:51,090 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:03:51,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:03:51,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:03:51,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:03:51,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:03:48" (1/4) ... [2024-08-15 18:03:51,097 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:03:51,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f433a9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:03:51, skipping insertion in model container [2024-08-15 18:03:51,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:03:50" (2/4) ... [2024-08-15 18:03:51,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f433a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:03:51, skipping insertion in model container [2024-08-15 18:03:51,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:03:50" (3/4) ... [2024-08-15 18:03:51,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f433a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:03:51, skipping insertion in model container [2024-08-15 18:03:51,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:03:51" (4/4) ... [2024-08-15 18:03:51,101 INFO L128 eAbstractionObserver]: Analyzing ICFG ifcompf.c [2024-08-15 18:03:51,116 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:03:51,117 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:03:51,142 INFO L90 WitnessUtils]: Constructing product of automaton with 46 states and violation witness of the following lengths: [37] [2024-08-15 18:03:51,321 INFO L95 WitnessUtils]: Product has 671 reachable states. [2024-08-15 18:03:51,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:03:51,355 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;@312ad4c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:03:51,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:03:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 834 transitions. [2024-08-15 18:03:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-08-15 18:03:51,379 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:03:51,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:03:51,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:03:51,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:03:51,388 INFO L85 PathProgramCache]: Analyzing trace with hash -646717019, now seen corresponding path program 1 times [2024-08-15 18:03:51,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:03:51,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541079891] [2024-08-15 18:03:51,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:03:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:03:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:03:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-08-15 18:03:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:03:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-08-15 18:03:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:03:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-08-15 18:03:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:03:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-08-15 18:03:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-15 18:03:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-08-15 18:03:51,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-15 18:03:51,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541079891] [2024-08-15 18:03:51,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541079891] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-15 18:03:51,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-15 18:03:51,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-15 18:03:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313890001] [2024-08-15 18:03:51,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-15 18:03:51,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-15 18:03:51,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-15 18:03:51,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-15 18:03:51,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-15 18:03:51,825 INFO L87 Difference]: Start difference. First operand 671 states and 834 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-08-15 18:03:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-08-15 18:03:51,911 INFO L93 Difference]: Finished difference Result 350 states and 393 transitions. [2024-08-15 18:03:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-15 18:03:51,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 82 [2024-08-15 18:03:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-08-15 18:03:51,924 INFO L225 Difference]: With dead ends: 350 [2024-08-15 18:03:51,924 INFO L226 Difference]: Without dead ends: 115 [2024-08-15 18:03:51,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-15 18:03:51,930 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 8 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-08-15 18:03:51,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-08-15 18:03:51,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-08-15 18:03:51,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 94. [2024-08-15 18:03:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 82 states have (on average 1.1951219512195121) internal successors, (98), 83 states have internal predecessors, (98), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-08-15 18:03:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2024-08-15 18:03:51,970 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 82 [2024-08-15 18:03:51,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-08-15 18:03:51,970 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2024-08-15 18:03:51,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-08-15 18:03:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2024-08-15 18:03:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-08-15 18:03:51,972 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:03:51,973 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-08-15 18:03:51,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:03:51,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:03:51,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:03:51,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1731185832, now seen corresponding path program 1 times [2024-08-15 18:03:51,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:03:51,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953058554] [2024-08-15 18:03:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:03:51,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:03:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-08-15 18:03:52,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384503744] [2024-08-15 18:03:52,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:03:52,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-15 18:03:52,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:03:52,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-15 18:03:52,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-08-15 18:03:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:03:52,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:03:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:03:52,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:03:52,445 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:03:52,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:03:52,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-08-15 18:03:52,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-15 18:03:52,668 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-15 18:03:52,672 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:03:52,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:03:52 BoogieIcfgContainer [2024-08-15 18:03:52,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:03:52,743 INFO L158 Benchmark]: Toolchain (without parser) took 2444.21ms. Allocated memory is still 148.9MB. Free memory was 117.8MB in the beginning and 114.8MB in the end (delta: 2.9MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2024-08-15 18:03:52,744 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:03:52,744 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:03:52,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.50ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 105.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:03:52,747 INFO L158 Benchmark]: Boogie Preprocessor took 52.81ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:03:52,747 INFO L158 Benchmark]: IcfgBuilder took 426.35ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 113.6MB in the end (delta: -10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-08-15 18:03:52,748 INFO L158 Benchmark]: TraceAbstraction took 1649.15ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 114.8MB in the end (delta: -2.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2024-08-15 18:03:52,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.50ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 105.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.81ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 103.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 426.35ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 113.6MB in the end (delta: -10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1649.15ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 114.8MB in the end (delta: -2.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0, \old(N)=9] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) VAL [N=3, \old(N)=0] [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [N=3, \old(N)=0, \old(cond)=1] [L13] COND FALSE !(!cond) VAL [N=3, \old(N)=0, \old(cond)=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [N=3, \old(N)=0] [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [N=3, \old(N)=0, a={4:0}, b={5:0}, c={-1:0}, i=0] [L32] COND TRUE i