/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_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:07:48,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:07:48,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:07:48,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:07:48,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:07:48,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:07:48,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:07:48,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:07:48,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:07:48,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:07:48,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:07:48,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:07:48,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:07:48,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:07:48,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:07:48,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:07:48,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:07:48,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:07:48,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:07:48,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:07:48,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:07:48,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:07:48,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:07:48,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:07:48,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:07:48,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:07:48,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:07:48,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:07:48,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:07:48,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:07:48,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:07:48,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:07:48,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:07:48,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:07:48,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:07:48,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:07:48,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:07:48,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:07:48,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:07:48,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:07:48,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:07:48,386 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 11:07:48,412 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:07:48,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:07:48,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:07:48,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:07:48,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:07:48,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:07:48,413 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:07:48,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:07:48,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:07:48,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:07:48,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:07:48,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:07:48,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:07:48,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:07:48,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:07:48,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:07:48,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:07:48,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:07:48,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:07:48,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:07:48,584 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:07:48,585 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:07:48,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-04-01 11:07:49,532 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:07:49,697 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:07:49,697 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-04-01 11:07:49,704 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323a16090/a83e724ddb4a40ef8ddb79b498411672/FLAG2fca68ec1 [2023-04-01 11:07:49,713 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/323a16090/a83e724ddb4a40ef8ddb79b498411672 [2023-04-01 11:07:49,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:07:49,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:07:49,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:07:49,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:07:49,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:07:49,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:49,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff33e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49, skipping insertion in model container [2023-04-01 11:07:49,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:49,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:07:49,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:07:49,899 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_4.c[11358,11371] [2023-04-01 11:07:49,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:07:49,909 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:07:49,958 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_4.c[11358,11371] [2023-04-01 11:07:49,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:07:49,965 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:07:49,969 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:07:49,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49 WrapperNode [2023-04-01 11:07:49,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:07:49,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:07:49,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:07:49,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:07:49,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:49,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:49,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:49,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:07:50,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:07:50,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:07:50,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:07:50,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (1/1) ... [2023-04-01 11:07:50,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:07:50,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:07:50,080 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 11:07:50,098 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 11:07:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:07:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:07:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:07:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 11:07:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:07:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 11:07:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:07:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:07:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:07:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2023-04-01 11:07:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:07:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 11:07:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:07:50,238 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:07:50,240 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:07:50,669 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:07:50,857 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:07:50,857 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-01 11:07:50,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:07:50 BoogieIcfgContainer [2023-04-01 11:07:50,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:07:50,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:07:50,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:07:50,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:07:50,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:07:49" (1/3) ... [2023-04-01 11:07:50,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:07:50, skipping insertion in model container [2023-04-01 11:07:50,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:07:49" (2/3) ... [2023-04-01 11:07:50,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a08dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:07:50, skipping insertion in model container [2023-04-01 11:07:50,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:07:50" (3/3) ... [2023-04-01 11:07:50,864 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2023-04-01 11:07:50,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:07:50,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:07:50,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:07:50,927 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;@409d1f58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:07:50,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:07:50,930 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 11:07:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-04-01 11:07:50,939 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:07:50,939 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, 1, 1, 1] [2023-04-01 11:07:50,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:07:50,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:07:50,944 INFO L85 PathProgramCache]: Analyzing trace with hash 662523922, now seen corresponding path program 1 times [2023-04-01 11:07:50,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:07:50,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645956514] [2023-04-01 11:07:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:07:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:07:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:07:51,411 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 11:07:51,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:07:51,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645956514] [2023-04-01 11:07:51,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645956514] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:07:51,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:07:51,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 11:07:51,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992699560] [2023-04-01 11:07:51,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:07:51,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 11:07:51,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:07:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 11:07:51,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 11:07:51,448 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 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-04-01 11:07:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:07:51,570 INFO L93 Difference]: Finished difference Result 164 states and 231 transitions. [2023-04-01 11:07:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 11:07:51,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2023-04-01 11:07:51,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:07:51,576 INFO L225 Difference]: With dead ends: 164 [2023-04-01 11:07:51,576 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 11:07:51,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-01 11:07:51,586 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 5 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:07:51,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 386 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:07:51,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 11:07:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 11:07:51,603 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 11:07:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 11:07:51,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2023-04-01 11:07:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:07:51,605 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 11:07:51,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-04-01 11:07:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 11:07:51,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 11:07:51,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 11:07:51,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:07:51,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 11:07:51,654 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 11:07:51,654 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 11:07:51,654 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-04-01 11:07:51,654 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-04-01 11:07:51,655 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-04-01 11:07:51,655 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-04-01 11:07:51,655 INFO L902 garLoopResultBuilder]: At program point L202-2(lines 194 248) the Hoare annotation is: true [2023-04-01 11:07:51,655 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-04-01 11:07:51,656 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-04-01 11:07:51,659 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-04-01 11:07:51,659 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-04-01 11:07:51,663 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-04-01 11:07:51,663 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 458) the Hoare annotation is: true [2023-04-01 11:07:51,664 INFO L902 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: true [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2023-04-01 11:07:51,664 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-04-01 11:07:51,664 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 279) the Hoare annotation is: true [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 426) the Hoare annotation is: true [2023-04-01 11:07:51,665 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L902 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: true [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2023-04-01 11:07:51,665 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 419) the Hoare annotation is: true [2023-04-01 11:07:51,665 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2023-04-01 11:07:51,666 INFO L902 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2023-04-01 11:07:51,666 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 399) the Hoare annotation is: true [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-04-01 11:07:51,667 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-04-01 11:07:51,668 INFO L902 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2023-04-01 11:07:51,668 INFO L895 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short25| [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-04-01 11:07:51,668 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-04-01 11:07:51,668 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 330) the Hoare annotation is: true [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:07:51,669 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2023-04-01 11:07:51,670 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 466) the Hoare annotation is: true [2023-04-01 11:07:51,670 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-04-01 11:07:51,675 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 11:07:51,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 11:07:51,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 11:07:51 BoogieIcfgContainer [2023-04-01 11:07:51,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 11:07:51,690 INFO L158 Benchmark]: Toolchain (without parser) took 1972.69ms. Allocated memory was 209.7MB in the beginning and 282.1MB in the end (delta: 72.4MB). Free memory was 143.8MB in the beginning and 176.9MB in the end (delta: -33.1MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. [2023-04-01 11:07:51,692 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 11:07:51,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.14ms. Allocated memory was 209.7MB in the beginning and 282.1MB in the end (delta: 72.4MB). Free memory was 143.6MB in the beginning and 247.2MB in the end (delta: -103.6MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2023-04-01 11:07:51,694 INFO L158 Benchmark]: Boogie Preprocessor took 81.33ms. Allocated memory is still 282.1MB. Free memory was 247.2MB in the beginning and 243.6MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 11:07:51,694 INFO L158 Benchmark]: RCFGBuilder took 807.14ms. Allocated memory is still 282.1MB. Free memory was 243.6MB in the beginning and 175.5MB in the end (delta: 68.2MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. [2023-04-01 11:07:51,696 INFO L158 Benchmark]: TraceAbstraction took 827.57ms. Allocated memory is still 282.1MB. Free memory was 174.4MB in the beginning and 176.9MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 11:07:51,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.14ms. Allocated memory was 209.7MB in the beginning and 282.1MB in the end (delta: 72.4MB). Free memory was 143.6MB in the beginning and 247.2MB in the end (delta: -103.6MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.33ms. Allocated memory is still 282.1MB. Free memory was 247.2MB in the beginning and 243.6MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 807.14ms. Allocated memory is still 282.1MB. Free memory was 243.6MB in the beginning and 175.5MB in the end (delta: 68.2MB). Peak memory consumption was 68.2MB. Max. memory is 8.0GB. * TraceAbstraction took 827.57ms. Allocated memory is still 282.1MB. Free memory was 174.4MB in the beginning and 176.9MB in the end (delta: -2.5MB). There was no memory consumed. 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 288 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 98 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 80 PreInvPairs, 95 NumberOfFragments, 35 HoareAnnotationTreeSize, 80 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 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: 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 11:07:51,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...