/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 07:07:45,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 07:07:45,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 07:07:45,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 07:07:45,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 07:07:45,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 07:07:45,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 07:07:45,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 07:07:45,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 07:07:45,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 07:07:45,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 07:07:45,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 07:07:45,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 07:07:45,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 07:07:45,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 07:07:45,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 07:07:45,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 07:07:45,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 07:07:45,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 07:07:45,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 07:07:45,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 07:07:45,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 07:07:45,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 07:07:45,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 07:07:45,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 07:07:45,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 07:07:45,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 07:07:45,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 07:07:45,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 07:07:45,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 07:07:45,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 07:07:45,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 07:07:45,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 07:07:45,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 07:07:45,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 07:07:45,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 07:07:45,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 07:07:45,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 07:07:45,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 07:07:45,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 07:07:45,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 07:07:45,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 07:07:45,661 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 07:07:45,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 07:07:45,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 07:07:45,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 07:07:45,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 07:07:45,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 07:07:45,662 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 07:07:45,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 07:07:45,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 07:07:45,663 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 07:07:45,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 07:07:45,664 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 07:07:45,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:07:45,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 07:07:45,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 07:07:45,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 07:07:45,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 07:07:45,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 07:07:45,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 07:07:45,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 07:07:45,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 07:07:45,857 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 07:07:45,858 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 07:07:45,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2023-03-31 07:07:46,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 07:07:47,144 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 07:07:47,144 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2023-03-31 07:07:47,151 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae419c1d/f7d31e6901264c638e0bd4e4539b9fd2/FLAG348e9de61 [2023-03-31 07:07:47,164 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fae419c1d/f7d31e6901264c638e0bd4e4539b9fd2 [2023-03-31 07:07:47,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 07:07:47,167 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 07:07:47,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 07:07:47,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 07:07:47,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 07:07:47,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5349f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47, skipping insertion in model container [2023-03-31 07:07:47,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 07:07:47,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 07:07:47,432 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-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7633,7646] [2023-03-31 07:07:47,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:07:47,488 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 07:07:47,548 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-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7633,7646] [2023-03-31 07:07:47,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 07:07:47,596 INFO L208 MainTranslator]: Completed translation [2023-03-31 07:07:47,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47 WrapperNode [2023-03-31 07:07:47,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 07:07:47,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 07:07:47,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 07:07:47,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 07:07:47,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 07:07:47,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 07:07:47,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 07:07:47,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 07:07:47,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 07:07:47" (1/1) ... [2023-03-31 07:07:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 07:07:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 07:07:47,683 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) [2023-03-31 07:07:47,699 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 [2023-03-31 07:07:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 07:07:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 07:07:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 07:07:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 07:07:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 07:07:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 07:07:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 07:07:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 07:07:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-31 07:07:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-31 07:07:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-31 07:07:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 07:07:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 07:07:47,860 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 07:07:47,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 07:07:48,308 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 07:07:48,391 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 07:07:48,391 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 07:07:48,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:07:48 BoogieIcfgContainer [2023-03-31 07:07:48,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 07:07:48,394 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 07:07:48,394 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 07:07:48,394 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 07:07:48,395 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 07:07:48" (1/1) ... [2023-03-31 07:07:48,395 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 07:07:48,425 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 07:07:48,425 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 07:07:48,430 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 07:07:48,433 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 07:07:48,434 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 07:07:49,328 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 278 for LOIs [2023-03-31 07:08:15,212 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 07:08:15,222 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-31 07:08:15,222 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-31 07:08:15,223 INFO L158 Benchmark]: Toolchain (without parser) took 28056.11ms. Allocated memory was 241.2MB in the beginning and 894.4MB in the end (delta: 653.3MB). Free memory was 204.4MB in the beginning and 713.7MB in the end (delta: -509.3MB). Peak memory consumption was 145.0MB. Max. memory is 8.0GB. [2023-03-31 07:08:15,223 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 07:08:15,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.04ms. Allocated memory is still 241.2MB. Free memory was 204.4MB in the beginning and 185.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 07:08:15,224 INFO L158 Benchmark]: Boogie Preprocessor took 43.31ms. Allocated memory is still 241.2MB. Free memory was 185.0MB in the beginning and 181.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 07:08:15,224 INFO L158 Benchmark]: RCFGBuilder took 751.82ms. Allocated memory is still 241.2MB. Free memory was 181.8MB in the beginning and 123.6MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2023-03-31 07:08:15,225 INFO L158 Benchmark]: Sifa took 26827.90ms. Allocated memory was 241.2MB in the beginning and 894.4MB in the end (delta: 653.3MB). Free memory was 123.6MB in the beginning and 713.7MB in the end (delta: -590.1MB). Peak memory consumption was 64.2MB. Max. memory is 8.0GB. [2023-03-31 07:08:15,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.04ms. Allocated memory is still 241.2MB. Free memory was 204.4MB in the beginning and 185.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.31ms. Allocated memory is still 241.2MB. Free memory was 185.0MB in the beginning and 181.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 751.82ms. Allocated memory is still 241.2MB. Free memory was 181.8MB in the beginning and 123.6MB in the end (delta: 58.2MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * Sifa took 26827.90ms. Allocated memory was 241.2MB in the beginning and 894.4MB in the end (delta: 653.3MB). Free memory was 123.6MB in the beginning and 713.7MB in the end (delta: -590.1MB). Peak memory consumption was 64.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 26.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 95, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 340, TOOLS_POST_TIME: 23.9s, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 330, TOOLS_QUANTIFIERELIM_TIME: 24.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 354, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME: 1.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 95, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 14.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 14.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 3767, DAG_COMPRESSION_RETAINED_NODES: 269 - UnprovableResult [Line: 391]: 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 440#(and (<= 0 ~id6~0) (<= 0 ~mode7~0) (= |old(~p1_old~0)| 0) (= |old(~p5_new~0)| 0) (= |old(~mode7~0)| 0) (<= 0 ~id3~0) (= |old(~p2_new~0)| 0) (= |old(~send3~0)| 0) (= |old(~id4~0)| 0) (= ~p4~0 0) (= (+ ~p4_new~0 1) 0) (<= main_~check__tmp~0 1) (<= 0 ~mode4~0) (= |old(~st3~0)| 0) (= |old(~st1~0)| 0) (<= 0 ~id5~0) (<= ~id4~0 127) (= |old(~p2_old~0)| 0) (<= ~mode7~0 1) (<= 0 ~id1~0) (= |old(~id5~0)| 0) (<= 0 ~mode6~0) (= ~p2~0 0) (= ~p5~0 0) (= |old(~st5~0)| 0) (= (+ ~p7_new~0 1) 0) (= |old(~__return_28618~0)| 0) (= (+ ~p5_new~0 1) 0) (<= 0 ~mode3~0) (= |old(~__return_28875~0)| 0) (= (+ ~p1_new~0 1) 0) (<= 0 ~id7~0) (= |old(~id1~0)| 0) (= |old(~st2~0)| 0) (= |old(~send4~0)| 0) (= (mod main_~assert__arg~0 256) 0) (= |old(~p4_old~0)| 0) (= |old(~st7~0)| 0) (= |old(~p4_new~0)| 0) (= |old(~__return_28770~0)| 0) (<= ~mode2~0 1) (<= ~mode5~0 1) (or (and (= main_~main__c1~0 0) (= main_~__tmp_1~0 0)) (and (not (= main_~main__c1~0 0)) (= main_~__tmp_1~0 1))) (= |old(~mode1~0)| 0) (<= ~id6~0 127) (= |old(~send6~0)| 0) (= |old(~send1~0)| 0) (= |old(~st6~0)| 0) (<= ~id5~0 127) (= main_~init__tmp~0 1) (<= ~mode3~0 1) (= |old(~send2~0)| 0) (<= ~mode4~0 1) (= ~p6~0 0) (<= ~id1~0 127) (= |old(~p3_old~0)| 0) (= ~__return_28770~0 main_~check__tmp~0) (= |old(~r1~0)| 0) (= |old(~p3_new~0)| 0) (= |old(~send7~0)| 0) (<= ~mode6~0 1) (= main_~main__c1~0 ~__return_28770~0) (<= 0 main_~check__tmp~0) (<= ~mode1~0 1) (= (+ ~nomsg~0 1) 0) (= |old(~mode4~0)| 0) (= |old(~p6_old~0)| 0) (= |old(~p7_new~0)| 0) (<= 0 main_~main__i2~0) (= |old(~p5_old~0)| 0) (= |old(~st4~0)| 0) (= |old(~mode2~0)| 0) (= |old(~id7~0)| 0) (<= 0 ~id4~0) (= |old(~p6_new~0)| 0) (= |old(~mode6~0)| 0) (<= ~id3~0 127) (<= 0 ~id2~0) (= |#NULL.offset| 0) (= ~__return_28875~0 0) (= |old(~id6~0)| 0) (= |old(~p1_new~0)| 0) (= ~p7~0 0) (= (+ ~p3_new~0 1) 0) (<= 0 ~mode2~0) (<= ~id7~0 127) (<= ~id2~0 127) (= |old(~id3~0)| 0) (= ~__return_28618~0 1) (= |old(~p7_old~0)| 0) (= ~p3~0 0) (= |old(~mode5~0)| 0) (= |old(~mode3~0)| 0) (= ~p1~0 0) (<= 0 |#StackHeapBarrier|) (= |old(~send5~0)| 0) (= ~__return_main~0 0) (= |old(~id2~0)| 0) (<= 0 ~mode5~0) (= main_~__tmp_1~0 main_~assert__arg~0) (= |#NULL.base| 0) (= (+ ~p6_new~0 1) 0) (= (+ ~p2_new~0 1) 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-31 07:08:15,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...