/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/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:04:13,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:04:13,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:04:13,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:04:13,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:04:13,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:04:13,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:04:13,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:04:13,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:04:13,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:04:13,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:04:13,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:04:13,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:04:13,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:04:13,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:04:13,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:04:13,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:04:13,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:04:13,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:04:13,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:04:13,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:04:13,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:04:13,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:04:13,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:04:13,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:04:13,148 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:04:13,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:04:13,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:04:13,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:04:13,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:04:13,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:04:13,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:04:13,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:04:13,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:04:13,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:04:13,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:04:13,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:04:13,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:04:13,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:04:13,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:04:13,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:04:13,156 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 [2023-04-01 05:04:13,180 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:04:13,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:04:13,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:04:13,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:04:13,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:04:13,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:04:13,181 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:04:13,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:04:13,182 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:04:13,183 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:04:13,183 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:04:13,183 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:04:13,183 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:04:13,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:04:13,183 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:04:13,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:04:13,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:04:13,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:04:13,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:04:13,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:04:13,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:04:13,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:04:13,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:04:13,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:04:13,403 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:04:13,404 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:04:13,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2023-04-01 05:04:14,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:04:14,607 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:04:14,608 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_2.c [2023-04-01 05:04:14,613 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6826d1de7/062f2bb7637340f2a06ce81c59a93a74/FLAGd3bb34393 [2023-04-01 05:04:14,622 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6826d1de7/062f2bb7637340f2a06ce81c59a93a74 [2023-04-01 05:04:14,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:04:14,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:04:14,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:04:14,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:04:14,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:04:14,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c10fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14, skipping insertion in model container [2023-04-01 05:04:14,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:04:14,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:04:14,802 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/loop-industry-pattern/ofuf_2.c[11342,11355] [2023-04-01 05:04:14,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:04:14,812 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:04:14,859 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/loop-industry-pattern/ofuf_2.c[11342,11355] [2023-04-01 05:04:14,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:04:14,866 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:04:14,871 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:04:14,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14 WrapperNode [2023-04-01 05:04:14,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:04:14,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:04:14,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:04:14,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:04:14,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:04:14,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:04:14,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:04:14,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:04:14,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (1/1) ... [2023-04-01 05:04:14,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:04:14,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:04:14,952 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) [2023-04-01 05:04:14,953 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 [2023-04-01 05:04:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:04:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:04:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:04:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 05:04:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:04:14,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 05:04:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:04:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:04:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:04:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 05:04:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 05:04:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:04:15,128 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:04:15,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:04:15,736 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:04:15,884 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:04:15,884 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-01 05:04:15,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:04:15 BoogieIcfgContainer [2023-04-01 05:04:15,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:04:15,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:04:15,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:04:15,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:04:15,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:04:14" (1/3) ... [2023-04-01 05:04:15,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b42d41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:04:15, skipping insertion in model container [2023-04-01 05:04:15,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:14" (2/3) ... [2023-04-01 05:04:15,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b42d41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:04:15, skipping insertion in model container [2023-04-01 05:04:15,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:04:15" (3/3) ... [2023-04-01 05:04:15,894 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2023-04-01 05:04:15,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:04:15,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:04:15,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:04:15,958 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@29bc0d27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:04:15,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:04:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 61 states have (on average 1.459016393442623) internal successors, (89), 63 states have internal predecessors, (89), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-01 05:04:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-01 05:04:15,971 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:04:15,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:04:15,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:04:15,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:04:15,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1285242611, now seen corresponding path program 1 times [2023-04-01 05:04:15,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:04:15,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028367885] [2023-04-01 05:04:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:04:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:04:16,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 05:04:16,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933346814] [2023-04-01 05:04:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:04:16,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:04:16,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:04:16,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:04:16,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:04:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:04:16,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:04:16,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:04:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 05:04:16,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:04:16,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:04:16,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028367885] [2023-04-01 05:04:16,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 05:04:16,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933346814] [2023-04-01 05:04:16,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933346814] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:04:16,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:04:16,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:04:16,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680105024] [2023-04-01 05:04:16,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:04:16,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:04:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:04:16,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:04:16,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:04:16,483 INFO L87 Difference]: Start difference. First operand has 90 states, 61 states have (on average 1.459016393442623) internal successors, (89), 63 states have internal predecessors, (89), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 05:04:16,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:04:16,579 INFO L93 Difference]: Finished difference Result 164 states and 232 transitions. [2023-04-01 05:04:16,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:04:16,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2023-04-01 05:04:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:04:16,585 INFO L225 Difference]: With dead ends: 164 [2023-04-01 05:04:16,585 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:04:16,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-04-01 05:04:16,594 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 5 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:04:16,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 294 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:04:16,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:04:16,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:04:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 05:04:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:04:16,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2023-04-01 05:04:16,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:04:16,611 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:04:16,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-04-01 05:04:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:04:16,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:04:16,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:04:16,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 05:04:16,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-04-01 05:04:16,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:04:16,862 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 05:04:16,862 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 05:04:16,863 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-04-01 05:04:16,864 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-04-01 05:04:16,864 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-04-01 05:04:16,864 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-04-01 05:04:16,865 INFO L902 garLoopResultBuilder]: At program point L202-2(lines 194 248) the Hoare annotation is: true [2023-04-01 05:04:16,865 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-04-01 05:04:16,865 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-04-01 05:04:16,865 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-04-01 05:04:16,866 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-04-01 05:04:16,868 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-04-01 05:04:16,868 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-04-01 05:04:16,868 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2023-04-01 05:04:16,868 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 458) the Hoare annotation is: true [2023-04-01 05:04:16,868 INFO L902 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: true [2023-04-01 05:04:16,868 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2023-04-01 05:04:16,868 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 279) the Hoare annotation is: true [2023-04-01 05:04:16,869 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L902 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2023-04-01 05:04:16,869 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-04-01 05:04:16,869 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-04-01 05:04:16,870 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-04-01 05:04:16,870 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-04-01 05:04:16,870 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2023-04-01 05:04:16,870 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2023-04-01 05:04:16,870 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 426) the Hoare annotation is: true [2023-04-01 05:04:16,870 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-04-01 05:04:16,870 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 05:04:16,870 INFO L902 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: true [2023-04-01 05:04:16,870 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-01 05:04:16,871 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2023-04-01 05:04:16,871 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 419) the Hoare annotation is: true [2023-04-01 05:04:16,871 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-04-01 05:04:16,871 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-04-01 05:04:16,871 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-04-01 05:04:16,871 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-04-01 05:04:16,872 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-04-01 05:04:16,872 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-04-01 05:04:16,872 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2023-04-01 05:04:16,872 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-04-01 05:04:16,872 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-04-01 05:04:16,873 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-04-01 05:04:16,873 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2023-04-01 05:04:16,873 INFO L902 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2023-04-01 05:04:16,873 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2023-04-01 05:04:16,873 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-04-01 05:04:16,873 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 399) the Hoare annotation is: true [2023-04-01 05:04:16,873 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-04-01 05:04:16,874 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-04-01 05:04:16,874 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-04-01 05:04:16,874 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-04-01 05:04:16,874 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-04-01 05:04:16,874 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-04-01 05:04:16,874 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-04-01 05:04:16,874 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-04-01 05:04:16,874 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-04-01 05:04:16,875 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-04-01 05:04:16,876 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-04-01 05:04:16,876 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-04-01 05:04:16,876 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-04-01 05:04:16,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-04-01 05:04:16,876 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-04-01 05:04:16,876 INFO L902 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2023-04-01 05:04:16,877 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-04-01 05:04:16,877 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 330) the Hoare annotation is: true [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:04:16,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2023-04-01 05:04:16,879 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 466) the Hoare annotation is: true [2023-04-01 05:04:16,879 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-04-01 05:04:16,882 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 05:04:16,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:04:16,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:04:16 BoogieIcfgContainer [2023-04-01 05:04:16,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:04:16,899 INFO L158 Benchmark]: Toolchain (without parser) took 2272.69ms. Allocated memory was 178.3MB in the beginning and 256.9MB in the end (delta: 78.6MB). Free memory was 132.4MB in the beginning and 124.6MB in the end (delta: 7.8MB). Peak memory consumption was 87.3MB. Max. memory is 8.0GB. [2023-04-01 05:04:16,899 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:04:16,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.00ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 114.6MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 05:04:16,899 INFO L158 Benchmark]: Boogie Preprocessor took 47.44ms. Allocated memory is still 178.3MB. Free memory was 114.6MB in the beginning and 111.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:04:16,899 INFO L158 Benchmark]: RCFGBuilder took 966.96ms. Allocated memory was 178.3MB in the beginning and 256.9MB in the end (delta: 78.6MB). Free memory was 111.1MB in the beginning and 182.8MB in the end (delta: -71.7MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. [2023-04-01 05:04:16,900 INFO L158 Benchmark]: TraceAbstraction took 1007.97ms. Allocated memory is still 256.9MB. Free memory was 181.7MB in the beginning and 124.6MB in the end (delta: 57.1MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-04-01 05:04:16,900 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 178.3MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.00ms. Allocated memory is still 178.3MB. Free memory was 132.0MB in the beginning and 114.6MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.44ms. Allocated memory is still 178.3MB. Free memory was 114.6MB in the beginning and 111.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 966.96ms. Allocated memory was 178.3MB in the beginning and 256.9MB in the end (delta: 78.6MB). Free memory was 111.1MB in the beginning and 182.8MB in the end (delta: -71.7MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1007.97ms. Allocated memory is still 256.9MB. Free memory was 181.7MB in the beginning and 124.6MB in the end (delta: 57.1MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 294 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 99 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 78 PreInvPairs, 94 NumberOfFragments, 35 HoareAnnotationTreeSize, 78 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 1 NumberOfNonLiveVariables, 544 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 05:04:16,921 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...