/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-c159232 [2023-03-17 22:03:37,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-17 22:03:37,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-17 22:03:37,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-17 22:03:37,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-17 22:03:37,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-17 22:03:37,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-17 22:03:37,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-17 22:03:37,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-17 22:03:37,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-17 22:03:37,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-17 22:03:37,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-17 22:03:37,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-17 22:03:37,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-17 22:03:37,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-17 22:03:37,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-17 22:03:37,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-17 22:03:37,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-17 22:03:37,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-17 22:03:37,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-17 22:03:37,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-17 22:03:37,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-17 22:03:37,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-17 22:03:37,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-17 22:03:37,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-17 22:03:37,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-17 22:03:37,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-17 22:03:37,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-17 22:03:37,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-17 22:03:37,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-17 22:03:37,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-17 22:03:37,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-17 22:03:37,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-17 22:03:37,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-17 22:03:37,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-17 22:03:37,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-17 22:03:37,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-17 22:03:37,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-17 22:03:37,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-17 22:03:37,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-17 22:03:37,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-17 22:03:37,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-17 22:03:37,746 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-17 22:03:37,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-17 22:03:37,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-17 22:03:37,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-17 22:03:37,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-17 22:03:37,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-17 22:03:37,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Use SBE=true [2023-03-17 22:03:37,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-17 22:03:37,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-17 22:03:37,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-17 22:03:37,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-17 22:03:37,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-17 22:03:37,750 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-17 22:03:37,750 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-17 22:03:37,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-17 22:03:37,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-17 22:03:37,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-17 22:03:37,988 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-17 22:03:37,989 INFO L275 PluginConnector]: CDTParser initialized [2023-03-17 22:03:37,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2023-03-17 22:03:39,122 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-17 22:03:39,297 INFO L351 CDTParser]: Found 1 translation units. [2023-03-17 22:03:39,298 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2023-03-17 22:03:39,309 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4adb25225/5163d0ee1533492e9128ed624c3741c2/FLAG010d6e8d8 [2023-03-17 22:03:39,320 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4adb25225/5163d0ee1533492e9128ed624c3741c2 [2023-03-17 22:03:39,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-17 22:03:39,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-17 22:03:39,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-17 22:03:39,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-17 22:03:39,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-17 22:03:39,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffebf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39, skipping insertion in model container [2023-03-17 22:03:39,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-17 22:03:39,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-17 22:03:39,488 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2023-03-17 22:03:39,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-17 22:03:39,499 INFO L203 MainTranslator]: Completed pre-run [2023-03-17 22:03:39,547 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2023-03-17 22:03:39,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-17 22:03:39,560 INFO L208 MainTranslator]: Completed translation [2023-03-17 22:03:39,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39 WrapperNode [2023-03-17 22:03:39,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-17 22:03:39,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-17 22:03:39,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-17 22:03:39,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-17 22:03:39,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-17 22:03:39,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-17 22:03:39,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-17 22:03:39,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-17 22:03:39,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:03:39" (1/1) ... [2023-03-17 22:03:39,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-17 22:03:39,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-17 22:03:39,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-17 22:03:39,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-17 22:03:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-17 22:03:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2023-03-17 22:03:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2023-03-17 22:03:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2023-03-17 22:03:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-03-17 22:03:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-03-17 22:03:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-17 22:03:39,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-17 22:03:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-17 22:03:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-17 22:03:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-17 22:03:39,849 INFO L236 CfgBuilder]: Building ICFG [2023-03-17 22:03:39,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-17 22:03:40,371 INFO L277 CfgBuilder]: Performing block encoding [2023-03-17 22:03:40,378 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-17 22:03:40,378 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-17 22:03:40,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:03:40 BoogieIcfgContainer [2023-03-17 22:03:40,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-17 22:03:40,380 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-17 22:03:40,380 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-17 22:03:40,380 INFO L275 PluginConnector]: Sifa initialized [2023-03-17 22:03:40,381 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 10:03:40" (1/1) ... [2023-03-17 22:03:40,381 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=IntervalDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-17 22:03:40,420 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-17 22:03:40,420 INFO L166 IcfgInterpreter]: Building call graph [2023-03-17 22:03:40,428 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-17 22:03:40,433 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-17 22:03:40,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-17 22:03:41,705 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 295 for LOIs [2023-03-17 22:04:24,655 INFO L197 IcfgInterpreter]: Interpreting procedure assert with input of size 206 for LOIs [2023-03-17 22:04:24,874 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-17 22:04:24,884 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-17 22:04:24,884 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-17 22:04:24,885 INFO L158 Benchmark]: Toolchain (without parser) took 45562.66ms. Allocated memory was 188.7MB in the beginning and 931.1MB in the end (delta: 742.4MB). Free memory was 143.0MB in the beginning and 390.9MB in the end (delta: -247.9MB). Peak memory consumption was 495.4MB. Max. memory is 8.0GB. [2023-03-17 22:04:24,885 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-17 22:04:24,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.61ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 124.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-17 22:04:24,886 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 121.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-17 22:04:24,886 INFO L158 Benchmark]: RCFGBuilder took 755.34ms. Allocated memory is still 188.7MB. Free memory was 121.4MB in the beginning and 143.1MB in the end (delta: -21.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2023-03-17 22:04:24,887 INFO L158 Benchmark]: Sifa took 44504.33ms. Allocated memory was 188.7MB in the beginning and 931.1MB in the end (delta: 742.4MB). Free memory was 143.1MB in the beginning and 390.9MB in the end (delta: -247.8MB). Peak memory consumption was 494.6MB. Max. memory is 8.0GB. [2023-03-17 22:04:24,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.61ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 124.7MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 188.7MB. Free memory was 124.7MB in the beginning and 121.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 755.34ms. Allocated memory is still 188.7MB. Free memory was 121.4MB in the beginning and 143.1MB in the end (delta: -21.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * Sifa took 44504.33ms. Allocated memory was 188.7MB in the beginning and 931.1MB in the end (delta: 742.4MB). Free memory was 143.1MB in the beginning and 390.9MB in the end (delta: -247.8MB). Peak memory consumption was 494.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 44.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 164, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 417, TOOLS_POST_TIME: 28.4s, TOOLS_POST_CALL_APPLICATIONS: 44, TOOLS_POST_CALL_TIME: 6.7s, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME: 8.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 503, TOOLS_QUANTIFIERELIM_TIME: 42.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 500, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 148, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 59, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 164, DOMAIN_ISBOTTOM_TIME: 0.4s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 29.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 29.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 26.5s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 693, DAG_COMPRESSION_RETAINED_NODES: 301 - UnprovableResult [Line: 672]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 666#(and (<= 0 ~mode7~0) (<= 0 ~p4~0) (<= 0 (+ ~send6~0 128)) (<= (+ ~p8_new~0 1) 0) (<= 0 (+ ~id5~0 128)) (<= ~p3~0 0) (<= 0 (+ ~send3~0 128)) (<= ~id8~0 127) (= ~nomsg~0 ~p1_new~0) (<= 0 (+ ~p3_new~0 1)) (= ~nomsg~0 ~p4_new~0) (<= 0 |#NULL.base|) (<= 0 (+ ~p5_new~0 1)) (<= 0 ~mode1~0) (<= ~st5~0 127) (<= 0 ~mode4~0) (<= 0 (+ ~send8~0 128)) (<= 0 (+ ~st4~0 128)) (<= 0 (+ ~id3~0 128)) (<= ~id4~0 127) (<= ~mode7~0 1) (<= ~st4~0 127) (<= ~p7~0 0) (<= ~st6~0 127) (<= 0 ~mode6~0) (= ~nomsg~0 ~p5_new~0) (<= 0 ~p6~0) (<= ~st2~0 127) (<= (+ ~p1_new~0 1) 0) (<= 0 (+ ~st8~0 128)) (<= 0 (+ ~send4~0 128)) (<= ~p8~0 0) (<= 0 ~mode3~0) (<= 0 (+ ~st5~0 128)) (<= 0 ~p8~0) (<= ~st8~0 127) (<= 0 (+ ~send5~0 128)) (<= 0 (+ ~send2~0 128)) (= ~p3_new~0 ~nomsg~0) (<= 0 (+ ~id8~0 128)) (<= |#NULL.offset| 0) (<= ~mode2~0 1) (<= ~mode5~0 1) (<= ~id6~0 127) (<= ~id5~0 127) (<= 0 ~p7~0) (= assert_~arg |assert_#in~arg|) (<= ~p1~0 0) (<= ~mode3~0 1) (<= 0 (+ ~id2~0 128)) (<= 0 ~p2~0) (<= 0 ~p3~0) (<= 0 (+ ~id1~0 128)) (<= ~mode4~0 1) (<= 0 (+ ~st7~0 128)) (<= ~id1~0 127) (<= 0 (+ ~send7~0 128)) (= ~nomsg~0 ~p2_new~0) (exists ((v_main_~c1~0_BEFORE_CALL_42 Int)) (and (or (and (= |assert_#in~arg| 0) (= v_main_~c1~0_BEFORE_CALL_42 0)) (and (= |assert_#in~arg| 1) (not (= v_main_~c1~0_BEFORE_CALL_42 0)))) (<= 0 v_main_~c1~0_BEFORE_CALL_42) (<= v_main_~c1~0_BEFORE_CALL_42 1))) (<= 0 (+ ~st1~0 128)) (= (mod assert_~arg 256) 0) (= ~nomsg~0 ~p8_new~0) (<= ~mode6~0 1) (<= (+ ~p7_new~0 1) 0) (<= 0 (+ ~p2_new~0 1)) (<= 0 (+ ~p8_new~0 1)) (<= (+ ~nomsg~0 1) 0) (<= ~p4~0 0) (<= ~mode1~0 1) (= ~nomsg~0 ~p6_new~0) (<= 0 ~mode8~0) (<= (+ ~p2_new~0 1) 0) (<= |#NULL.base| 0) (<= ~st7~0 127) (<= ~st1~0 127) (<= 0 (+ ~p6_new~0 1)) (<= 0 (+ ~p7_new~0 1)) (<= 0 ~p5~0) (<= 0 (+ ~p4_new~0 1)) (<= 0 (+ ~send1~0 128)) (<= (+ ~p4_new~0 1) 0) (<= 0 (+ ~id4~0 128)) (<= ~id3~0 127) (<= 0 (+ ~nomsg~0 1)) (<= ~p6~0 0) (= ~nomsg~0 ~p7_new~0) (<= ~p2~0 0) (<= 0 ~mode2~0) (<= ~mode8~0 1) (<= ~id7~0 127) (<= ~id2~0 127) (<= 0 (+ ~st2~0 128)) (<= (+ ~p5_new~0 1) 0) (<= (+ ~p3_new~0 1) 0) (<= 0 |#NULL.offset|) (<= ~st3~0 127) (<= 0 (+ ~st6~0 128)) (<= 0 (+ ~p1_new~0 1)) (<= 0 ~p1~0) (<= 0 |#StackHeapBarrier|) (<= (+ ~p6_new~0 1) 0) (<= 0 (+ ~id6~0 128)) (<= 0 (+ ~id7~0 128)) (<= 0 ~mode5~0) (<= 0 (+ ~st3~0 128)) (<= ~p5~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-17 22:04:24,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...