/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 EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 16:34:29,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 16:34:29,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 16:34:29,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 16:34:29,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 16:34:29,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 16:34:29,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 16:34:29,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 16:34:29,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 16:34:29,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 16:34:29,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 16:34:29,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 16:34:29,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 16:34:29,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 16:34:29,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 16:34:29,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 16:34:29,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 16:34:29,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 16:34:29,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 16:34:29,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 16:34:29,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 16:34:29,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 16:34:29,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 16:34:29,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 16:34:29,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 16:34:29,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 16:34:29,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 16:34:29,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 16:34:29,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 16:34:29,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 16:34:29,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 16:34:29,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 16:34:29,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 16:34:29,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 16:34:29,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 16:34:29,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 16:34:29,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 16:34:29,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 16:34:29,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 16:34:29,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 16:34:29,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 16:34:29,831 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 [2023-03-29 16:34:29,852 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 16:34:29,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 16:34:29,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 16:34:29,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 16:34:29,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 16:34:29,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 16:34:29,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 16:34:29,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 16:34:29,854 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 16:34:29,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 16:34:29,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 16:34:29,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:34:29,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 16:34:29,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 16:34:29,857 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 16:34:29,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 16:34:29,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 16:34:30,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 16:34:30,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 16:34:30,012 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 16:34:30,012 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 16:34:30,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2023-03-29 16:34:31,118 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 16:34:31,463 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 16:34:31,463 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.UNBOUNDED.pals.c [2023-03-29 16:34:31,483 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cdd1fffc/a9532dd31ef840fa949dea71b502c12e/FLAG0a3b3a970 [2023-03-29 16:34:31,515 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cdd1fffc/a9532dd31ef840fa949dea71b502c12e [2023-03-29 16:34:31,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 16:34:31,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 16:34:31,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 16:34:31,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 16:34:31,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 16:34:31,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:34:31" (1/1) ... [2023-03-29 16:34:31,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2389be6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:31, skipping insertion in model container [2023-03-29 16:34:31,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:34:31" (1/1) ... [2023-03-29 16:34:31,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 16:34:31,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 16:34:31,913 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.ufo.UNBOUNDED.pals.c[26481,26494] [2023-03-29 16:34:31,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:34:31,931 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 16:34:32,010 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.ufo.UNBOUNDED.pals.c[26481,26494] [2023-03-29 16:34:32,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:34:32,039 INFO L208 MainTranslator]: Completed translation [2023-03-29 16:34:32,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32 WrapperNode [2023-03-29 16:34:32,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 16:34:32,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 16:34:32,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 16:34:32,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 16:34:32,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 16:34:32,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 16:34:32,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 16:34:32,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 16:34:32,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:34:32,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 16:34:32,174 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) [2023-03-29 16:34:32,176 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 [2023-03-29 16:34:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 16:34:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-03-29 16:34:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-03-29 16:34:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 16:34:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-29 16:34:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 16:34:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 16:34:32,362 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 16:34:32,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 16:34:32,771 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 16:34:32,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 16:34:32,777 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-29 16:34:32,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:34:32 BoogieIcfgContainer [2023-03-29 16:34:32,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 16:34:32,779 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 16:34:32,779 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 16:34:32,779 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 16:34:32,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:34:32" (1/1) ... [2023-03-29 16:34:32,780 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ 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 [2023-03-29 16:34:32,817 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 16:34:32,817 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 16:34:32,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 16:34:32,824 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 16:34:32,825 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 16:34:33,920 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 295 for LOIs [2023-03-29 16:34:40,922 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-03-29 16:34:40,989 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-03-29 16:34:41,054 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-03-29 16:34:41,123 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-03-29 16:34:41,188 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2023-03-29 16:34:41,252 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2023-03-29 16:34:41,316 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-29 16:34:41,378 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-29 16:34:41,447 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2023-03-29 16:34:41,510 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2023-03-29 16:34:41,572 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2023-03-29 16:34:41,631 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2023-03-29 16:34:41,690 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-03-29 16:34:41,753 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2023-03-29 16:34:41,813 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2023-03-29 16:34:41,871 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2023-03-29 16:34:41,929 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2023-03-29 16:34:41,986 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2023-03-29 16:34:42,043 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-03-29 16:34:42,104 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-03-29 16:34:42,164 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2023-03-29 16:34:42,221 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2023-03-29 16:34:42,277 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2023-03-29 16:34:42,331 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2023-03-29 16:34:42,362 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2023-03-29 16:34:43,242 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalStateException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEqualityRec(WeqCongruenceClosure.java:577) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEquality(WeqCongruenceClosure.java:555) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.EqConstraint.reportEqualityInPlace(EqConstraint.java:122) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.handleEquality(EqDomain.java:127) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.toState(EqDomain.java:93) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.toState(EqDomain.java:1) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.computeStates(StateBasedDomain.java:142) at java.base/java.util.Map.computeIfAbsent(Map.java:1003) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.toStates(StateBasedDomain.java:126) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.join(StateBasedDomain.java:78) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.join(StatsWrapperDomain.java:51) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.addInternal(PriorityWorklist.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.lambda$1(PriorityWorklist.java:99) at java.base/java.util.HashMap.compute(HashMap.java:1229) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:99) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:128) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at java.base/java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1085) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:128) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.InterpretCallSummarizer.summarize(InterpretCallSummarizer.java:60) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.ReUseSupersetCallSummarizer.lambda$2(ReUseSupersetCallSummarizer.java:69) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.SummaryCache.reUseOrCompute(SummaryCache.java:72) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.ReUseSupersetCallSummarizer.summarize(ReUseSupersetCallSummarizer.java:68) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:220) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-29 16:34:43,245 INFO L158 Benchmark]: Toolchain (without parser) took 11726.11ms. Allocated memory was 167.8MB in the beginning and 747.6MB in the end (delta: 579.9MB). Free memory was 115.7MB in the beginning and 502.7MB in the end (delta: -387.0MB). Peak memory consumption was 194.6MB. Max. memory is 8.0GB. [2023-03-29 16:34:43,246 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 16:34:43,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.63ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 97.5MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-29 16:34:43,246 INFO L158 Benchmark]: Boogie Preprocessor took 95.62ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 94.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-29 16:34:43,247 INFO L158 Benchmark]: RCFGBuilder took 642.27ms. Allocated memory was 167.8MB in the beginning and 267.4MB in the end (delta: 99.6MB). Free memory was 94.0MB in the beginning and 210.6MB in the end (delta: -116.6MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. [2023-03-29 16:34:43,247 INFO L158 Benchmark]: Sifa took 10465.41ms. Allocated memory was 267.4MB in the beginning and 747.6MB in the end (delta: 480.2MB). Free memory was 210.6MB in the beginning and 503.2MB in the end (delta: -292.6MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. [2023-03-29 16:34:43,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 518.63ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 97.5MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.62ms. Allocated memory is still 167.8MB. Free memory was 97.5MB in the beginning and 94.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 642.27ms. Allocated memory was 167.8MB in the beginning and 267.4MB in the end (delta: 99.6MB). Free memory was 94.0MB in the beginning and 210.6MB in the end (delta: -116.6MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB. * Sifa took 10465.41ms. Allocated memory was 267.4MB in the beginning and 747.6MB in the end (delta: 480.2MB). Free memory was 210.6MB in the beginning and 503.2MB in the end (delta: -292.6MB). Peak memory consumption was 188.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalStateException: null de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalStateException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEqualityRec(WeqCongruenceClosure.java:577) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-03-29 16:34:43,279 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...