/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 22:14:43,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 22:14:43,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 22:14:43,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 22:14:43,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 22:14:43,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 22:14:43,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 22:14:43,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 22:14:43,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 22:14:43,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 22:14:43,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 22:14:43,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 22:14:43,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 22:14:43,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 22:14:43,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 22:14:43,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 22:14:43,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 22:14:43,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 22:14:43,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 22:14:43,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 22:14:43,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 22:14:43,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 22:14:43,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 22:14:43,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 22:14:43,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 22:14:43,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 22:14:43,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 22:14:43,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 22:14:43,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 22:14:43,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 22:14:43,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 22:14:43,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 22:14:43,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 22:14:43,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 22:14:43,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 22:14:43,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 22:14:43,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 22:14:43,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 22:14:43,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 22:14:43,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 22:14:43,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 22:14:43,655 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 [2023-04-02 22:14:43,676 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 22:14:43,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 22:14:43,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 22:14:43,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 22:14:43,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 22:14:43,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 22:14:43,677 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-02 22:14:43,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-02 22:14:43,678 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-02 22:14:43,678 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-02 22:14:43,678 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-02 22:14:43,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-02 22:14:43,678 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-02 22:14:43,679 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-02 22:14:43,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 22:14:43,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 22:14:43,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 22:14:43,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:14:43,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-02 22:14:43,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-02 22:14:43,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 22:14:43,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 22:14:43,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 22:14:43,841 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 22:14:43,841 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 22:14:43,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-04-02 22:14:44,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 22:14:45,016 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 22:14:45,017 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-04-02 22:14:45,022 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc93b09a/9fdd2df267b745e4957dbc7665c6b853/FLAG008e07f13 [2023-04-02 22:14:45,032 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc93b09a/9fdd2df267b745e4957dbc7665c6b853 [2023-04-02 22:14:45,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 22:14:45,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 22:14:45,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 22:14:45,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 22:14:45,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 22:14:45,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217bfd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45, skipping insertion in model container [2023-04-02 22:14:45,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 22:14:45,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 22:14:45,241 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_5.c[11314,11327] [2023-04-02 22:14:45,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:14:45,256 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 22:14:45,306 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_5.c[11314,11327] [2023-04-02 22:14:45,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 22:14:45,317 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 22:14:45,323 INFO L208 MainTranslator]: Completed translation [2023-04-02 22:14:45,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45 WrapperNode [2023-04-02 22:14:45,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 22:14:45,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 22:14:45,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 22:14:45,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 22:14:45,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 22:14:45,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 22:14:45,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 22:14:45,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 22:14:45,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (1/1) ... [2023-04-02 22:14:45,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 22:14:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 22:14:45,453 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) [2023-04-02 22:14:45,483 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 [2023-04-02 22:14:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 22:14:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 22:14:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 22:14:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 22:14:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 22:14:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-02 22:14:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 22:14:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 22:14:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 22:14:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 22:14:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-02 22:14:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 22:14:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 22:14:45,599 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 22:14:45,600 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 22:14:46,003 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 22:14:46,117 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 22:14:46,117 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-04-02 22:14:46,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:14:46 BoogieIcfgContainer [2023-04-02 22:14:46,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 22:14:46,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 22:14:46,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 22:14:46,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 22:14:46,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:14:45" (1/3) ... [2023-04-02 22:14:46,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:14:46, skipping insertion in model container [2023-04-02 22:14:46,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:14:45" (2/3) ... [2023-04-02 22:14:46,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388277c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:14:46, skipping insertion in model container [2023-04-02 22:14:46,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:14:46" (3/3) ... [2023-04-02 22:14:46,126 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2023-04-02 22:14:46,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 22:14:46,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 22:14:46,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 22:14:46,179 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;@38395773, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-02 22:14:46,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 22:14:46,182 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) [2023-04-02 22:14:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-04-02 22:14:46,189 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 22:14:46,189 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] [2023-04-02 22:14:46,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 22:14:46,193 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 22:14:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash 662523922, now seen corresponding path program 1 times [2023-04-02 22:14:46,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-02 22:14:46,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516237818] [2023-04-02 22:14:46,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 22:14:46,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 22:14:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 22:14:46,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 22:14:46,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-02 22:14:46,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516237818] [2023-04-02 22:14:46,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516237818] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 22:14:46,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 22:14:46,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 22:14:46,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771357626] [2023-04-02 22:14:46,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 22:14:46,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 22:14:46,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-02 22:14:46,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 22:14:46,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 22:14:46,755 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) [2023-04-02 22:14:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 22:14:46,883 INFO L93 Difference]: Finished difference Result 164 states and 231 transitions. [2023-04-02 22:14:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 22:14:46,885 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 [2023-04-02 22:14:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 22:14:46,889 INFO L225 Difference]: With dead ends: 164 [2023-04-02 22:14:46,889 INFO L226 Difference]: Without dead ends: 0 [2023-04-02 22:14:46,893 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 [2023-04-02 22:14:46,895 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 5 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-04-02 22:14:46,896 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] [2023-04-02 22:14:46,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-02 22:14:46,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-02 22:14:46,910 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) [2023-04-02 22:14:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-02 22:14:46,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2023-04-02 22:14:46,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 22:14:46,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-02 22:14:46,912 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) [2023-04-02 22:14:46,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-02 22:14:46,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-02 22:14:46,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-02 22:14:46,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 22:14:46,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-02 22:14:46,963 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-02 22:14:46,963 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-02 22:14:46,963 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L902 garLoopResultBuilder]: At program point L202-2(lines 194 248) the Hoare annotation is: true [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-04-02 22:14:46,964 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 458) the Hoare annotation is: true [2023-04-02 22:14:46,965 INFO L902 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: true [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2023-04-02 22:14:46,965 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 279) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 426) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 419) the Hoare annotation is: true [2023-04-02 22:14:46,966 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-04-02 22:14:46,967 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-04-02 22:14:46,967 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2023-04-02 22:14:46,967 INFO L902 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2023-04-02 22:14:46,968 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 399) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-04-02 22:14:46,968 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-04-02 22:14:46,968 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-04-02 22:14:46,968 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-04-02 22:14:46,968 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-04-02 22:14:46,969 INFO L902 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2023-04-02 22:14:46,969 INFO L895 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short25| [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-04-02 22:14:46,969 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 330) the Hoare annotation is: true [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2023-04-02 22:14:46,970 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 22:14:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-04-02 22:14:46,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-02 22:14:46,971 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-04-02 22:14:46,971 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-04-02 22:14:46,972 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-02 22:14:46,972 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-04-02 22:14:46,972 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-04-02 22:14:46,972 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2023-04-02 22:14:46,972 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 466) the Hoare annotation is: true [2023-04-02 22:14:46,972 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-04-02 22:14:46,983 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-02 22:14:46,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-02 22:14:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.04 10:14:46 BoogieIcfgContainer [2023-04-02 22:14:46,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-02 22:14:46,999 INFO L158 Benchmark]: Toolchain (without parser) took 1964.37ms. Allocated memory is still 249.6MB. Free memory was 197.5MB in the beginning and 163.2MB in the end (delta: 34.3MB). Peak memory consumption was 35.4MB. Max. memory is 8.0GB. [2023-04-02 22:14:46,999 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory was 156.8MB in the beginning and 156.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 22:14:47,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.24ms. Allocated memory is still 249.6MB. Free memory was 197.3MB in the beginning and 179.9MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-02 22:14:47,000 INFO L158 Benchmark]: Boogie Preprocessor took 85.70ms. Allocated memory is still 249.6MB. Free memory was 179.9MB in the beginning and 176.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-02 22:14:47,000 INFO L158 Benchmark]: RCFGBuilder took 708.42ms. Allocated memory is still 249.6MB. Free memory was 176.1MB in the beginning and 158.6MB in the end (delta: 17.5MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2023-04-02 22:14:47,001 INFO L158 Benchmark]: TraceAbstraction took 877.36ms. Allocated memory is still 249.6MB. Free memory was 158.1MB in the beginning and 163.2MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-02 22:14:47,002 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 207.6MB. Free memory was 156.8MB in the beginning and 156.6MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.24ms. Allocated memory is still 249.6MB. Free memory was 197.3MB in the beginning and 179.9MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.70ms. Allocated memory is still 249.6MB. Free memory was 179.9MB in the beginning and 176.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 708.42ms. Allocated memory is still 249.6MB. Free memory was 176.1MB in the beginning and 158.6MB in the end (delta: 17.5MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 877.36ms. Allocated memory is still 249.6MB. Free memory was 158.1MB in the beginning and 163.2MB in the end (delta: -5.2MB). 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, 0.1s 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! [2023-04-02 22:14:47,018 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...