/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_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:04:14,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:04:14,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:04:14,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:04:14,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:04:14,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:04:14,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:04:14,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:04:14,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:04:14,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:04:14,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:04:14,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:04:14,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:04:14,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:04:14,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:04:14,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:04:14,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:04:14,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:04:14,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:04:14,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:04:14,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:04:14,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:04:14,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:04:14,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:04:14,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:04:14,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:04:14,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:04:14,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:04:14,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:04:14,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:04:14,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:04:14,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:04:14,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:04:14,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:04:14,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:04:14,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:04:14,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:04:14,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:04:14,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:04:14,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:04:14,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:04:14,356 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 05:04:14,371 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:04:14,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:04:14,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:04:14,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:04:14,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:04:14,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:04:14,372 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:04:14,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:04:14,372 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:04:14,372 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:04:14,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:04:14,373 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:04:14,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:04:14,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:04:14,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:04:14,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:04:14,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:04:14,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:04:14,376 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:04:14,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:04:14,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:04:14,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:04:14,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:04:14,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:04:14,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:04:14,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:04:14,591 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:04:14,592 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:04:14,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2023-04-01 05:04:15,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:04:15,747 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:04:15,747 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_3.c [2023-04-01 05:04:15,757 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590f262bf/cba0b7bc984249efb007fc29ffe1decf/FLAG513c92e9a [2023-04-01 05:04:15,773 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590f262bf/cba0b7bc984249efb007fc29ffe1decf [2023-04-01 05:04:15,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:04:15,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:04:15,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:04:15,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:04:15,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:04:15,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:04:15" (1/1) ... [2023-04-01 05:04:15,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a461635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:15, skipping insertion in model container [2023-04-01 05:04:15,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:04:15" (1/1) ... [2023-04-01 05:04:15,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:04:15,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:04:16,000 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_3.c[11322,11335] [2023-04-01 05:04:16,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:04:16,010 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:04:16,052 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_3.c[11322,11335] [2023-04-01 05:04:16,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:04:16,058 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:04:16,063 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:04:16,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16 WrapperNode [2023-04-01 05:04:16,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:04:16,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:04:16,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:04:16,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:04:16,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:04:16,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:04:16,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:04:16,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:04:16,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (1/1) ... [2023-04-01 05:04:16,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:04:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:04:16,136 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 05:04:16,138 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 05:04:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:04:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:04:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:04:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:04:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:04:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 05:04:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:04:16,315 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:04:16,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:04:16,769 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:04:16,923 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:04:16,923 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-01 05:04:16,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:04:16 BoogieIcfgContainer [2023-04-01 05:04:16,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:04:16,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:04:16,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:04:16,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:04:16,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:04:15" (1/3) ... [2023-04-01 05:04:16,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce132c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:04:16, skipping insertion in model container [2023-04-01 05:04:16,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:04:16" (2/3) ... [2023-04-01 05:04:16,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce132c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:04:16, skipping insertion in model container [2023-04-01 05:04:16,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:04:16" (3/3) ... [2023-04-01 05:04:16,933 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_3.c [2023-04-01 05:04:16,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:04:16,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:04:16,984 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:04:16,989 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;@2c259ea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:04:16,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:04:16,992 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 05:04:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-01 05:04:16,998 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:04:16,999 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 05:04:16,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:04:17,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:04:17,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1285242611, now seen corresponding path program 1 times [2023-04-01 05:04:17,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:04:17,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678889289] [2023-04-01 05:04:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:04:17,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:04:17,163 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-04-01 05:04:17,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458529853] [2023-04-01 05:04:17,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:04:17,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:04:17,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:04:17,166 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 05:04:17,178 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 05:04:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:04:17,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:04:17,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:04:17,456 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 05:04:17,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-01 05:04:17,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:04:17,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678889289] [2023-04-01 05:04:17,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-04-01 05:04:17,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458529853] [2023-04-01 05:04:17,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458529853] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:04:17,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:04:17,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:04:17,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812135391] [2023-04-01 05:04:17,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:04:17,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:04:17,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:04:17,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:04:17,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:04:17,498 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 05:04:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:04:17,601 INFO L93 Difference]: Finished difference Result 164 states and 232 transitions. [2023-04-01 05:04:17,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:04:17,603 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 05:04:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:04:17,606 INFO L225 Difference]: With dead ends: 164 [2023-04-01 05:04:17,606 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 05:04:17,609 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 05:04:17,611 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, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:04:17,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 294 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:04:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 05:04:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 05:04:17,624 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 05:04:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 05:04:17,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2023-04-01 05:04:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:04:17,625 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 05:04:17,625 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 05:04:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 05:04:17,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 05:04:17,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 05:04:17,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-01 05:04:17,832 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 05:04:17,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 05:04:17,903 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 05:04:17,903 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 05:04:17,904 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-04-01 05:04:17,904 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L902 garLoopResultBuilder]: At program point L202-2(lines 194 248) the Hoare annotation is: true [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-04-01 05:04:17,905 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 458) the Hoare annotation is: true [2023-04-01 05:04:17,906 INFO L902 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: true [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 279) the Hoare annotation is: true [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L902 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2023-04-01 05:04:17,906 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-04-01 05:04:17,906 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 426) the Hoare annotation is: true [2023-04-01 05:04:17,907 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L902 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: true [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2023-04-01 05:04:17,907 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 419) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-04-01 05:04:17,908 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2023-04-01 05:04:17,908 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-04-01 05:04:17,908 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 399) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-04-01 05:04:17,909 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-04-01 05:04:17,909 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-04-01 05:04:17,910 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-04-01 05:04:17,910 INFO L902 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-04-01 05:04:17,910 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-04-01 05:04:17,910 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 330) the Hoare annotation is: true [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 05:04:17,911 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2023-04-01 05:04:17,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 466) the Hoare annotation is: true [2023-04-01 05:04:17,912 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-04-01 05:04:17,915 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 05:04:17,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 05:04:17,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 05:04:17 BoogieIcfgContainer [2023-04-01 05:04:17,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 05:04:17,923 INFO L158 Benchmark]: Toolchain (without parser) took 2144.00ms. Allocated memory was 177.2MB in the beginning and 242.2MB in the end (delta: 65.0MB). Free memory was 140.1MB in the beginning and 127.5MB in the end (delta: 12.6MB). Peak memory consumption was 78.9MB. Max. memory is 8.0GB. [2023-04-01 05:04:17,923 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 05:04:17,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.70ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 122.5MB in the end (delta: 17.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 05:04:17,923 INFO L158 Benchmark]: Boogie Preprocessor took 50.16ms. Allocated memory is still 177.2MB. Free memory was 122.5MB in the beginning and 118.8MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 05:04:17,924 INFO L158 Benchmark]: RCFGBuilder took 811.82ms. Allocated memory was 177.2MB in the beginning and 242.2MB in the end (delta: 65.0MB). Free memory was 118.8MB in the beginning and 185.1MB in the end (delta: -66.3MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2023-04-01 05:04:17,924 INFO L158 Benchmark]: TraceAbstraction took 993.52ms. Allocated memory is still 242.2MB. Free memory was 184.6MB in the beginning and 127.5MB in the end (delta: 57.1MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-04-01 05:04:17,925 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 177.2MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 283.70ms. Allocated memory is still 177.2MB. Free memory was 140.1MB in the beginning and 122.5MB in the end (delta: 17.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.16ms. Allocated memory is still 177.2MB. Free memory was 122.5MB in the beginning and 118.8MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 811.82ms. Allocated memory was 177.2MB in the beginning and 242.2MB in the end (delta: 65.0MB). Free memory was 118.8MB in the beginning and 185.1MB in the end (delta: -66.3MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. * TraceAbstraction took 993.52ms. Allocated memory is still 242.2MB. Free memory was 184.6MB in the beginning and 127.5MB 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: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s 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: 0.1s 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 05:04:17,937 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...