/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 EqDomain -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:07:43,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:07:43,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:07:43,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:07:43,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:07:43,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:07:43,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:07:43,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:07:43,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:07:43,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:07:43,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:07:43,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:07:43,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:07:43,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:07:43,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:07:43,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:07:43,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:07:43,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:07:43,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:07:43,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:07:43,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:07:43,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:07:43,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:07:43,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:07:43,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:07:43,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:07:43,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:07:43,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:07:43,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:07:43,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:07:43,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:07:43,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:07:43,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:07:43,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:07:43,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:07:43,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:07:43,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:07:43,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:07:43,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:07:43,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:07:43,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:07:43,393 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 11:07:43,416 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:07:43,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:07:43,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:07:43,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:07:43,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:07:43,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:07:43,418 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:07:43,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:07:43,418 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:07:43,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:07:43,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:07:43,419 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:07:43,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:07:43,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:07:43,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:07:43,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:07:43,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:07:43,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:07:43,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:07:43,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:07:43,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:07:43,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:07:43,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:07:43,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:07:43,651 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:07:43,652 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:07:43,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2023-04-01 11:07:44,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:07:44,858 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:07:44,858 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2023-04-01 11:07:44,864 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deb2dc74/d71bb8b701254db3a73ab096925c6874/FLAG6571e7938 [2023-04-01 11:07:44,874 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6deb2dc74/d71bb8b701254db3a73ab096925c6874 [2023-04-01 11:07:44,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:07:44,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:07:44,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:07:44,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:07:44,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:07:44,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:07:44" (1/1) ... [2023-04-01 11:07:44,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111b1980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:44, skipping insertion in model container [2023-04-01 11:07:44,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:07:44" (1/1) ... [2023-04-01 11:07:44,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:07:44,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:07:45,141 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_1.c[11890,11903] [2023-04-01 11:07:45,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:07:45,152 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:07:45,212 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_1.c[11890,11903] [2023-04-01 11:07:45,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:07:45,219 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:07:45,224 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:07:45,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45 WrapperNode [2023-04-01 11:07:45,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:07:45,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:07:45,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:07:45,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:07:45,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:07:45,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:07:45,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:07:45,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:07:45,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (1/1) ... [2023-04-01 11:07:45,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:07:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:07:45,326 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 11:07:45,332 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 11:07:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:07:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2023-04-01 11:07:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2023-04-01 11:07:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2023-04-01 11:07:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:07:45,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2023-04-01 11:07:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:07:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:07:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:07:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:07:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:07:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 11:07:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:07:45,504 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:07:45,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:07:46,010 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:07:46,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:07:46,179 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-01 11:07:46,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:07:46 BoogieIcfgContainer [2023-04-01 11:07:46,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:07:46,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:07:46,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:07:46,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:07:46,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:07:44" (1/3) ... [2023-04-01 11:07:46,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef1581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:07:46, skipping insertion in model container [2023-04-01 11:07:46,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:45" (2/3) ... [2023-04-01 11:07:46,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef1581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:07:46, skipping insertion in model container [2023-04-01 11:07:46,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:07:46" (3/3) ... [2023-04-01 11:07:46,189 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2023-04-01 11:07:46,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:07:46,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:07:46,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:07:46,247 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;@6053fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:07:46,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:07:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 62 states have internal predecessors, (88), 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 11:07:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-04-01 11:07:46,257 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:07:46,258 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] [2023-04-01 11:07:46,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:07:46,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:07:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1673161359, now seen corresponding path program 1 times [2023-04-01 11:07:46,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:07:46,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654314415] [2023-04-01 11:07:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:07:46,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:07:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:07:46,652 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 11:07:46,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:07:46,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654314415] [2023-04-01 11:07:46,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654314415] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:07:46,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:07:46,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 11:07:46,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369713868] [2023-04-01 11:07:46,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:07:46,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 11:07:46,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:07:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 11:07:46,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 11:07:46,690 INFO L87 Difference]: Start difference. First operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 62 states have internal predecessors, (88), 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 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 11:07:46,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:07:46,817 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2023-04-01 11:07:46,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 11:07:46,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 35 [2023-04-01 11:07:46,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:07:46,824 INFO L225 Difference]: With dead ends: 162 [2023-04-01 11:07:46,824 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 11:07:46,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 11:07:46,835 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 5 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 291 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 11:07:46,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 291 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:07:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 11:07:46,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 11:07:46,859 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 11:07:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 11:07:46,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-04-01 11:07:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:07:46,861 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 11:07:46,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 11:07:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 11:07:46,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 11:07:46,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 11:07:46,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:07:46,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 11:07:46,907 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 11:07:46,907 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 11:07:46,907 INFO L902 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2023-04-01 11:07:46,908 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-04-01 11:07:46,909 INFO L899 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2023-04-01 11:07:46,909 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2023-04-01 11:07:46,909 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2023-04-01 11:07:46,909 INFO L902 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2023-04-01 11:07:46,910 INFO L899 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2023-04-01 11:07:46,912 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2023-04-01 11:07:46,912 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2023-04-01 11:07:46,914 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2023-04-01 11:07:46,914 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 324) the Hoare annotation is: true [2023-04-01 11:07:46,914 INFO L902 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2023-04-01 11:07:46,914 INFO L899 garLoopResultBuilder]: For program point L386-1(lines 386 389) no Hoare annotation was computed. [2023-04-01 11:07:46,914 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_115FINAL(lines 356 424) no Hoare annotation was computed. [2023-04-01 11:07:46,914 INFO L902 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2023-04-01 11:07:46,914 INFO L899 garLoopResultBuilder]: For program point L403-1(lines 403 406) no Hoare annotation was computed. [2023-04-01 11:07:46,914 INFO L902 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2023-04-01 11:07:46,914 INFO L902 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 396 399) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L902 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point L413-1(line 413) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L902 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2023-04-01 11:07:46,915 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 356 424) the Hoare annotation is: true [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_115EXIT(lines 356 424) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L902 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2023-04-01 11:07:46,915 INFO L899 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2023-04-01 11:07:46,915 INFO L902 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 390 393) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_114EXIT(lines 325 355) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L902 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2023-04-01 11:07:46,916 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 325 355) the Hoare annotation is: true [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_114FINAL(lines 325 355) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2023-04-01 11:07:46,916 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_110FINAL(lines 274 304) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_110EXIT(lines 274 304) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 274 304) the Hoare annotation is: true [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point L295-1(lines 295 302) the Hoare annotation is: true [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 452 484) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 452 484) the Hoare annotation is: true [2023-04-01 11:07:46,917 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 452 484) no Hoare annotation was computed. [2023-04-01 11:07:46,917 INFO L902 garLoopResultBuilder]: At program point L483(line 483) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point L430-1(line 430) no Hoare annotation was computed. [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 425 444) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_117EXIT(lines 425 444) no Hoare annotation was computed. [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point L449(line 449) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 451) the Hoare annotation is: true [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_118FINAL(lines 445 451) no Hoare annotation was computed. [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_118EXIT(lines 445 451) no Hoare annotation was computed. [2023-04-01 11:07:46,918 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 485 492) no Hoare annotation was computed. [2023-04-01 11:07:46,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 492) the Hoare annotation is: true [2023-04-01 11:07:46,919 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L487-2(lines 485 492) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107FINAL(lines 218 273) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L902 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2023-04-01 11:07:46,920 INFO L902 garLoopResultBuilder]: At program point L227-2(lines 219 273) the Hoare annotation is: true [2023-04-01 11:07:46,920 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 218 273) the Hoare annotation is: true [2023-04-01 11:07:46,920 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-04-01 11:07:46,921 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2023-04-01 11:07:46,921 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2023-04-01 11:07:46,921 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107EXIT(lines 218 273) no Hoare annotation was computed. [2023-04-01 11:07:46,923 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 11:07:46,925 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 11:07:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 11:07:46 BoogieIcfgContainer [2023-04-01 11:07:46,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 11:07:46,932 INFO L158 Benchmark]: Toolchain (without parser) took 2055.42ms. Allocated memory is still 232.8MB. Free memory was 188.2MB in the beginning and 117.5MB in the end (delta: 70.7MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. [2023-04-01 11:07:46,936 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory was 140.5MB in the beginning and 140.3MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 11:07:46,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.91ms. Allocated memory is still 232.8MB. Free memory was 188.2MB in the beginning and 170.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 11:07:46,939 INFO L158 Benchmark]: Boogie Preprocessor took 58.71ms. Allocated memory is still 232.8MB. Free memory was 170.4MB in the beginning and 166.7MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 11:07:46,939 INFO L158 Benchmark]: RCFGBuilder took 896.97ms. Allocated memory is still 232.8MB. Free memory was 166.7MB in the beginning and 174.1MB in the end (delta: -7.4MB). Peak memory consumption was 52.9MB. Max. memory is 8.0GB. [2023-04-01 11:07:46,939 INFO L158 Benchmark]: TraceAbstraction took 748.52ms. Allocated memory is still 232.8MB. Free memory was 173.6MB in the beginning and 117.5MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2023-04-01 11:07:46,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory was 140.5MB in the beginning and 140.3MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 346.91ms. Allocated memory is still 232.8MB. Free memory was 188.2MB in the beginning and 170.4MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.71ms. Allocated memory is still 232.8MB. Free memory was 170.4MB in the beginning and 166.7MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 896.97ms. Allocated memory is still 232.8MB. Free memory was 166.7MB in the beginning and 174.1MB in the end (delta: -7.4MB). Peak memory consumption was 52.9MB. Max. memory is 8.0GB. * TraceAbstraction took 748.52ms. Allocated memory is still 232.8MB. Free memory was 173.6MB in the beginning and 117.5MB in the end (delta: 56.1MB). Peak memory consumption was 56.6MB. 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: 489]: 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, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 291 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 98 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred 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, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 11:07:46,960 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...