./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-regression/alt_test.i --full-output --witness-type violation_witness --validate ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/alt_test.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/ldv-regression/alt_test.i ./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/alt_test.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 18:24:44,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-15 18:24:44,718 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-08-15 18:24:44,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-15 18:24:44,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-15 18:24:44,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-15 18:24:44,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-15 18:24:44,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-15 18:24:44,768 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-08-15 18:24:44,769 INFO L153 SettingsManager]: * Use memory slicer=true [2024-08-15 18:24:44,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-15 18:24:44,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-15 18:24:44,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-15 18:24:44,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-15 18:24:44,773 INFO L153 SettingsManager]: * Use SBE=true [2024-08-15 18:24:44,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-15 18:24:44,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-15 18:24:44,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-15 18:24:44,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-15 18:24:44,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-15 18:24:44,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-15 18:24:44,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-15 18:24:44,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-15 18:24:44,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-15 18:24:44,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-15 18:24:44,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-15 18:24:44,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-15 18:24:44,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-15 18:24:44,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-15 18:24:44,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-15 18:24:44,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-15 18:24:44,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-15 18:24:44,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-08-15 18:24:44,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-15 18:24:44,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-15 18:24:44,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-15 18:24:44,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-15 18:24:44,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-15 18:24:44,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-15 18:24:44,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-08-15 18:24:44,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-15 18:24:44,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-08-15 18:24:44,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-15 18:24:44,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Size of a code block -> SequenceOfStatements [2024-08-15 18:24:45,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-15 18:24:45,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-15 18:24:45,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-15 18:24:45,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-15 18:24:45,126 INFO L274 PluginConnector]: CDTParser initialized [2024-08-15 18:24:45,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alt_test.i [2024-08-15 18:24:46,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-15 18:24:47,050 INFO L384 CDTParser]: Found 1 translation units. [2024-08-15 18:24:47,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i [2024-08-15 18:24:47,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dc25adf/39e9b6a14c574d32b75e870add602bce/FLAG48b1e9048 [2024-08-15 18:24:47,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1dc25adf/39e9b6a14c574d32b75e870add602bce [2024-08-15 18:24:47,330 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-15 18:24:47,331 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-15 18:24:47,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./svcomp-yaml-violation-generation.2024-08-01_14-26-22.files/Default/alt_test.yml/witness.yml [2024-08-15 18:24:47,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-15 18:24:47,413 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-08-15 18:24:47,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-15 18:24:47,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-15 18:24:47,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-15 18:24:47,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:24:47" (1/2) ... [2024-08-15 18:24:47,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0150b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:24:47, skipping insertion in model container [2024-08-15 18:24:47,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 06:24:47" (1/2) ... [2024-08-15 18:24:47,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@742f0ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 06:24:47, skipping insertion in model container [2024-08-15 18:24:47,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:24:47" (2/2) ... [2024-08-15 18:24:47,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0150b8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47, skipping insertion in model container [2024-08-15 18:24:47,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:24:47" (2/2) ... [2024-08-15 18:24:47,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-08-15 18:24:47,761 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i[22285,22298] [2024-08-15 18:24:47,781 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:24:47,797 INFO L200 MainTranslator]: Completed pre-run [2024-08-15 18:24:47,850 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alt_test.i[22285,22298] [2024-08-15 18:24:47,854 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-15 18:24:47,882 INFO L204 MainTranslator]: Completed translation [2024-08-15 18:24:47,883 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47 WrapperNode [2024-08-15 18:24:47,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-15 18:24:47,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-15 18:24:47,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-15 18:24:47,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-15 18:24:47,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,917 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,945 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [2, 0]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 0 writes are split as follows [0, 0]. [2024-08-15 18:24:47,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-15 18:24:47,976 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-08-15 18:24:47,976 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-08-15 18:24:47,976 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-08-15 18:24:47,978 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (1/1) ... [2024-08-15 18:24:47,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-08-15 18:24:47,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-08-15 18:24:48,012 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 18:24:48,015 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 18:24:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-08-15 18:24:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-15 18:24:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure l_malloc [2024-08-15 18:24:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure l_free [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2024-08-15 18:24:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2024-08-15 18:24:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2024-08-15 18:24:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure select [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure random [2024-08-15 18:24:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2024-08-15 18:24:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2024-08-15 18:24:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2024-08-15 18:24:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2024-08-15 18:24:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2024-08-15 18:24:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2024-08-15 18:24:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2024-08-15 18:24:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2024-08-15 18:24:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2024-08-15 18:24:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure free [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2024-08-15 18:24:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2024-08-15 18:24:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2024-08-15 18:24:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2024-08-15 18:24:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2024-08-15 18:24:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure system [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure div [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2024-08-15 18:24:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2024-08-15 18:24:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2024-08-15 18:24:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2024-08-15 18:24:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2024-08-15 18:24:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2024-08-15 18:24:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2024-08-15 18:24:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2024-08-15 18:24:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2024-08-15 18:24:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2024-08-15 18:24:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure l_malloc [2024-08-15 18:24:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure l_free [2024-08-15 18:24:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-08-15 18:24:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-15 18:24:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-08-15 18:24:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-08-15 18:24:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-08-15 18:24:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-08-15 18:24:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-15 18:24:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-08-15 18:24:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-08-15 18:24:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-08-15 18:24:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-08-15 18:24:48,373 INFO L273 CfgBuilder]: Building ICFG [2024-08-15 18:24:48,376 INFO L304 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-15 18:24:48,412 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L165: havoc #t~nondet4; [2024-08-15 18:24:48,447 INFO L1266 $ProcedureCfgBuilder]: dead code at ProgramPoint L170: havoc #t~nondet5; [2024-08-15 18:24:48,536 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-08-15 18:24:48,537 INFO L327 CfgBuilder]: Performing block encoding [2024-08-15 18:24:48,549 INFO L349 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-15 18:24:48,551 INFO L354 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-15 18:24:48,551 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:24:48 BoogieIcfgContainer [2024-08-15 18:24:48,552 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-08-15 18:24:48,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-15 18:24:48,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-15 18:24:48,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-15 18:24:48,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.08 06:24:47" (1/4) ... [2024-08-15 18:24:48,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af159f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.08 06:24:48, skipping insertion in model container [2024-08-15 18:24:48,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 15.08 06:24:47" (2/4) ... [2024-08-15 18:24:48,562 WARN L100 eAbstractionObserver]: Found a witness in the YAML format. I will only consider traces that are accepted by the witness [2024-08-15 18:24:48,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af159f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:24:48, skipping insertion in model container [2024-08-15 18:24:48,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 15.08 06:24:47" (3/4) ... [2024-08-15 18:24:48,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af159f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 15.08 06:24:48, skipping insertion in model container [2024-08-15 18:24:48,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 15.08 06:24:48" (4/4) ... [2024-08-15 18:24:48,570 INFO L128 eAbstractionObserver]: Analyzing ICFG alt_test.i [2024-08-15 18:24:48,597 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-15 18:24:48,598 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-15 18:24:48,635 INFO L90 WitnessUtils]: Constructing product of automaton with 32 states and violation witness of the following lengths: [10] [2024-08-15 18:24:48,711 INFO L95 WitnessUtils]: Product has 97 reachable states. [2024-08-15 18:24:48,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-08-15 18:24:48,747 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;@3f34d374, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-15 18:24:48,748 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-15 18:24:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2024-08-15 18:24:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-08-15 18:24:48,763 INFO L187 NwaCegarLoop]: Found error trace [2024-08-15 18:24:48,764 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 18:24:48,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-15 18:24:48,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-15 18:24:48,771 INFO L85 PathProgramCache]: Analyzing trace with hash 407579711, now seen corresponding path program 1 times [2024-08-15 18:24:48,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-15 18:24:48,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857253219] [2024-08-15 18:24:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-15 18:24:48,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-15 18:24:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:24:48,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-15 18:24:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-15 18:24:49,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-15 18:24:49,054 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-15 18:24:49,056 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-15 18:24:49,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-15 18:24:49,063 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-15 18:24:49,067 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2024-08-15 18:24:49,087 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.08 06:24:49 BoogieIcfgContainer [2024-08-15 18:24:49,088 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-15 18:24:49,089 INFO L158 Benchmark]: Toolchain (without parser) took 1676.22ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 86.6MB in the beginning and 182.4MB in the end (delta: -95.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:24:49,089 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:24:49,090 INFO L158 Benchmark]: Witness Parser took 0.38ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 88.8MB in the end (delta: 234.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-15 18:24:49,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.36ms. Allocated memory is still 163.6MB. Free memory was 86.4MB in the beginning and 68.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-15 18:24:49,091 INFO L158 Benchmark]: Boogie Preprocessor took 90.96ms. Allocated memory is still 163.6MB. Free memory was 68.7MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-15 18:24:49,091 INFO L158 Benchmark]: IcfgBuilder took 575.52ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 175.9MB in the end (delta: -110.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-08-15 18:24:49,092 INFO L158 Benchmark]: TraceAbstraction took 533.95ms. Allocated memory is still 218.1MB. Free memory was 174.9MB in the beginning and 182.4MB in the end (delta: -7.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-08-15 18:24:49,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 163.6MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.38ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 88.8MB in the end (delta: 234.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.36ms. Allocated memory is still 163.6MB. Free memory was 86.4MB in the beginning and 68.7MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.96ms. Allocated memory is still 163.6MB. Free memory was 68.7MB in the beginning and 65.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 575.52ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 65.5MB in the beginning and 175.9MB in the end (delta: -110.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 533.95ms. Allocated memory is still 218.1MB. Free memory was 174.9MB in the beginning and 182.4MB in the end (delta: -7.5MB). Peak memory consumption was 21.0MB. 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: 516]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L518] int globalState = 0; VAL [\old(globalState)=49, globalState=0] [L523] CALL, EXPR l_malloc(sizeof(int)) VAL [\old(globalState)=0, \old(size)=4, globalState=0] [L529] void *retVal = malloc(size); [L530] COND TRUE retVal != ((void *)0) [L531] globalState=1 VAL [\old(globalState)=0, \old(size)=4, globalState=1, retVal={-1:0}] [L532] return retVal; VAL [\old(globalState)=0, \old(size)=4, \result={-1:0}, globalState=1] [L523] RET, EXPR l_malloc(sizeof(int)) VAL [\old(argc)=51, \old(globalState)=0, globalState=1] [L523] int *a = (int*) l_malloc(sizeof(int)); [L524] CALL l_free(a) VAL [\old(globalState)=1, \old(ptr)={-1:0}, globalState=1] [L535] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=1, \old(ptr)={-1:0}, globalState=1] [L535] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=1, \old(ptr)={-1:0}, globalState=1] [L536] globalState = 0 [L524] RET l_free(a) VAL [\old(argc)=51, \old(globalState)=0, a={-1:0}, globalState=0] [L525] CALL l_free(a) VAL [\old(globalState)=0, \old(ptr)={-1:0}, globalState=0] [L535] COND TRUE ptr!=((void *)0) VAL [\old(globalState)=0, \old(ptr)={-1:0}, globalState=0] [L535] (globalState == 1) ? (0) : __blast_assert () VAL [\old(globalState)=0, \old(ptr)={-1:0}, globalState=0] [L535] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L516] reach_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-08-15 18:24:49,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE