./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 02:44:03,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 02:44:03,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 02:44:03,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 02:44:03,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 02:44:03,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 02:44:03,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 02:44:03,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 02:44:03,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 02:44:03,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 02:44:03,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 02:44:03,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 02:44:03,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 02:44:03,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 02:44:03,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 02:44:03,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 02:44:03,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 02:44:03,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 02:44:03,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 02:44:03,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 02:44:03,170 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 02:44:03,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 02:44:03,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 02:44:03,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 02:44:03,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 02:44:03,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 02:44:03,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 02:44:03,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 02:44:03,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 02:44:03,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 02:44:03,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 02:44:03,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 02:44:03,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 02:44:03,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 02:44:03,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 02:44:03,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 02:44:03,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 02:44:03,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 02:44:03,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 02:44:03,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 02:44:03,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 02:44:03,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 02:44:03,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 02:44:03,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 02:44:03,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 02:44:03,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 02:44:03,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 02:44:03,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 02:44:03,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 02:44:03,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 02:44:03,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 02:44:03,218 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 02:44:03,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 02:44:03,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 02:44:03,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 02:44:03,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 02:44:03,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 02:44:03,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 02:44:03,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 02:44:03,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 02:44:03,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 02:44:03,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 02:44:03,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 02:44:03,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 02:44:03,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 02:44:03,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 02:44:03,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 02:44:03,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 02:44:03,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 02:44:03,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 02:44:03,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 02:44:03,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2022-07-21 02:44:03,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 02:44:03,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 02:44:03,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 02:44:03,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 02:44:03,520 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 02:44:03,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2022-07-21 02:44:03,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9963bc682/db42a0153f314f06824c7c54c9e39605/FLAG5de3ec29f [2022-07-21 02:44:03,918 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 02:44:03,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2022-07-21 02:44:03,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9963bc682/db42a0153f314f06824c7c54c9e39605/FLAG5de3ec29f [2022-07-21 02:44:04,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9963bc682/db42a0153f314f06824c7c54c9e39605 [2022-07-21 02:44:04,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 02:44:04,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 02:44:04,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 02:44:04,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 02:44:04,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 02:44:04,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a293190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04, skipping insertion in model container [2022-07-21 02:44:04,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 02:44:04,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 02:44:04,568 WARN L230 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] [2022-07-21 02:44:04,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 02:44:04,576 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 02:44:04,619 WARN L230 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] [2022-07-21 02:44:04,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 02:44:04,629 INFO L208 MainTranslator]: Completed translation [2022-07-21 02:44:04,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04 WrapperNode [2022-07-21 02:44:04,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 02:44:04,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 02:44:04,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 02:44:04,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 02:44:04,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,676 INFO L137 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 455 [2022-07-21 02:44:04,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 02:44:04,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 02:44:04,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 02:44:04,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 02:44:04,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 02:44:04,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 02:44:04,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 02:44:04,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 02:44:04,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (1/1) ... [2022-07-21 02:44:04,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 02:44:04,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 02:44:04,780 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) [2022-07-21 02:44:04,787 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 [2022-07-21 02:44:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 02:44:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-07-21 02:44:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 02:44:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 02:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-07-21 02:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 02:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-07-21 02:44:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-07-21 02:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 02:44:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 02:44:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 02:44:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-07-21 02:44:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-07-21 02:44:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 02:44:04,936 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 02:44:04,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 02:44:05,278 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 02:44:05,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 02:44:05,287 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-21 02:44:05,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:44:05 BoogieIcfgContainer [2022-07-21 02:44:05,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 02:44:05,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 02:44:05,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 02:44:05,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 02:44:05,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:44:04" (1/3) ... [2022-07-21 02:44:05,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b315f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:44:05, skipping insertion in model container [2022-07-21 02:44:05,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:44:04" (2/3) ... [2022-07-21 02:44:05,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b315f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:44:05, skipping insertion in model container [2022-07-21 02:44:05,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:44:05" (3/3) ... [2022-07-21 02:44:05,295 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2022-07-21 02:44:05,304 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 02:44:05,304 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 02:44:05,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 02:44:05,360 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1ada485a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@23bab5dc [2022-07-21 02:44:05,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 02:44:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 90 states have (on average 1.6) internal successors, (144), 91 states have internal predecessors, (144), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-21 02:44:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 02:44:05,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 02:44:05,371 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] [2022-07-21 02:44:05,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 02:44:05,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 02:44:05,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1385875532, now seen corresponding path program 1 times [2022-07-21 02:44:05,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 02:44:05,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997127361] [2022-07-21 02:44:05,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 02:44:05,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 02:44:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 02:44:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 02:44:05,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 02:44:05,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997127361] [2022-07-21 02:44:05,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997127361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 02:44:05,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 02:44:05,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 02:44:05,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337312999] [2022-07-21 02:44:05,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 02:44:05,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 02:44:05,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 02:44:05,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 02:44:05,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 02:44:05,648 INFO L87 Difference]: Start difference. First operand has 103 states, 90 states have (on average 1.6) internal successors, (144), 91 states have internal predecessors, (144), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:05,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 02:44:05,691 INFO L93 Difference]: Finished difference Result 201 states and 320 transitions. [2022-07-21 02:44:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 02:44:05,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-21 02:44:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 02:44:05,702 INFO L225 Difference]: With dead ends: 201 [2022-07-21 02:44:05,703 INFO L226 Difference]: Without dead ends: 97 [2022-07-21 02:44:05,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 02:44:05,714 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 02:44:05,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 02:44:05,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-21 02:44:05,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-21 02:44:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.5176470588235293) internal successors, (129), 86 states have internal predecessors, (129), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 02:44:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 144 transitions. [2022-07-21 02:44:05,757 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 144 transitions. Word has length 26 [2022-07-21 02:44:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 02:44:05,758 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 144 transitions. [2022-07-21 02:44:05,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2022-07-21 02:44:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 02:44:05,765 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 02:44:05,765 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] [2022-07-21 02:44:05,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 02:44:05,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 02:44:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 02:44:05,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1206592093, now seen corresponding path program 1 times [2022-07-21 02:44:05,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 02:44:05,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941980027] [2022-07-21 02:44:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 02:44:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 02:44:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 02:44:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 02:44:05,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 02:44:05,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941980027] [2022-07-21 02:44:05,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941980027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 02:44:05,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 02:44:05,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 02:44:05,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402225081] [2022-07-21 02:44:05,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 02:44:05,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 02:44:05,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 02:44:05,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 02:44:05,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 02:44:05,920 INFO L87 Difference]: Start difference. First operand 97 states and 144 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:05,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 02:44:05,940 INFO L93 Difference]: Finished difference Result 120 states and 172 transitions. [2022-07-21 02:44:05,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 02:44:05,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-21 02:44:05,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 02:44:05,942 INFO L225 Difference]: With dead ends: 120 [2022-07-21 02:44:05,942 INFO L226 Difference]: Without dead ends: 97 [2022-07-21 02:44:05,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 02:44:05,943 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 4 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 02:44:05,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 277 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 02:44:05,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-21 02:44:05,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-21 02:44:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.5058823529411764) internal successors, (128), 86 states have internal predecessors, (128), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-21 02:44:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 143 transitions. [2022-07-21 02:44:05,956 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 143 transitions. Word has length 26 [2022-07-21 02:44:05,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 02:44:05,958 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 143 transitions. [2022-07-21 02:44:05,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2022-07-21 02:44:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 02:44:05,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 02:44:05,962 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] [2022-07-21 02:44:05,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 02:44:05,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 02:44:05,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 02:44:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1206532511, now seen corresponding path program 1 times [2022-07-21 02:44:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 02:44:05,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490138268] [2022-07-21 02:44:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 02:44:05,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 02:44:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 02:44:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 02:44:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 02:44:06,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 02:44:06,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490138268] [2022-07-21 02:44:06,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490138268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 02:44:06,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 02:44:06,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 02:44:06,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435850229] [2022-07-21 02:44:06,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 02:44:06,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 02:44:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 02:44:06,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 02:44:06,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 02:44:06,047 INFO L87 Difference]: Start difference. First operand 97 states and 143 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 02:44:06,080 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2022-07-21 02:44:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 02:44:06,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-21 02:44:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 02:44:06,081 INFO L225 Difference]: With dead ends: 99 [2022-07-21 02:44:06,081 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 02:44:06,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 02:44:06,083 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 5 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 02:44:06,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 416 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 02:44:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 02:44:06,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 02:44:06,087 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) [2022-07-21 02:44:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 02:44:06,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-07-21 02:44:06,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 02:44:06,088 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 02:44:06,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 02:44:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 02:44:06,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 02:44:06,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 02:44:06,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 02:44:06,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 02:44:06,130 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-07-21 02:44:06,130 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-07-21 02:44:06,131 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-07-21 02:44:06,131 INFO L902 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-07-21 02:44:06,131 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-07-21 02:44:06,131 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-07-21 02:44:06,132 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-07-21 02:44:06,133 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-07-21 02:44:06,133 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-07-21 02:44:06,133 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-07-21 02:44:06,133 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-07-21 02:44:06,134 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-07-21 02:44:06,135 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-07-21 02:44:06,135 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-07-21 02:44:06,135 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-07-21 02:44:06,136 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-07-21 02:44:06,137 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 02:44:06,137 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-07-21 02:44:06,137 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-07-21 02:44:06,137 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-07-21 02:44:06,137 INFO L895 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (and (not (= |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1| 0)) |Id_MCDC_95_#t~short24#1|) [2022-07-21 02:44:06,138 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-07-21 02:44:06,139 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-07-21 02:44:06,141 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-07-21 02:44:06,141 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-07-21 02:44:06,141 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-07-21 02:44:06,141 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-07-21 02:44:06,142 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-07-21 02:44:06,142 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-07-21 02:44:06,142 INFO L902 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-07-21 02:44:06,144 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-07-21 02:44:06,144 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-07-21 02:44:06,144 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-07-21 02:44:06,144 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-07-21 02:44:06,145 INFO L899 garLoopResultBuilder]: For program point L298-2(line 298) no Hoare annotation was computed. [2022-07-21 02:44:06,145 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-07-21 02:44:06,145 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-07-21 02:44:06,145 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-07-21 02:44:06,145 INFO L902 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: true [2022-07-21 02:44:06,146 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-07-21 02:44:06,146 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-07-21 02:44:06,146 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-07-21 02:44:06,146 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-07-21 02:44:06,147 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-07-21 02:44:06,147 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-07-21 02:44:06,147 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-07-21 02:44:06,148 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-07-21 02:44:06,148 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-07-21 02:44:06,148 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-07-21 02:44:06,149 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-07-21 02:44:06,150 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-07-21 02:44:06,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 02:44:06,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 02:44:06,151 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-07-21 02:44:06,151 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-07-21 02:44:06,151 INFO L902 garLoopResultBuilder]: At program point L425(lines 420 426) the Hoare annotation is: true [2022-07-21 02:44:06,152 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-07-21 02:44:06,152 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-07-21 02:44:06,152 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-07-21 02:44:06,155 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-07-21 02:44:06,155 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-07-21 02:44:06,156 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-07-21 02:44:06,156 INFO L902 garLoopResultBuilder]: At program point L418(lines 400 419) the Hoare annotation is: true [2022-07-21 02:44:06,156 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-07-21 02:44:06,156 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-07-21 02:44:06,156 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-07-21 02:44:06,156 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-07-21 02:44:06,156 INFO L902 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-07-21 02:44:06,157 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-07-21 02:44:06,157 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-07-21 02:44:06,157 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-07-21 02:44:06,157 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-07-21 02:44:06,157 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-07-21 02:44:06,157 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-07-21 02:44:06,158 INFO L902 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: true [2022-07-21 02:44:06,158 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 02:44:06,158 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-07-21 02:44:06,158 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-07-21 02:44:06,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 02:44:06,158 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-07-21 02:44:06,159 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-07-21 02:44:06,159 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-07-21 02:44:06,159 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-07-21 02:44:06,159 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-07-21 02:44:06,159 INFO L902 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: true [2022-07-21 02:44:06,159 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-07-21 02:44:06,159 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-07-21 02:44:06,160 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-07-21 02:44:06,160 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-07-21 02:44:06,160 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-07-21 02:44:06,160 INFO L902 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-07-21 02:44:06,163 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-21 02:44:06,165 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 02:44:06,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:44:06 BoogieIcfgContainer [2022-07-21 02:44:06,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 02:44:06,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 02:44:06,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 02:44:06,184 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 02:44:06,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:44:05" (3/4) ... [2022-07-21 02:44:06,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 02:44:06,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2022-07-21 02:44:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2022-07-21 02:44:06,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2022-07-21 02:44:06,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-21 02:44:06,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-07-21 02:44:06,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-21 02:44:06,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-21 02:44:06,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 02:44:06,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 02:44:06,301 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 02:44:06,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 02:44:06,302 INFO L158 Benchmark]: Toolchain (without parser) took 1954.64ms. Allocated memory was 60.8MB in the beginning and 96.5MB in the end (delta: 35.7MB). Free memory was 40.7MB in the beginning and 73.4MB in the end (delta: -32.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,303 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 02:44:06,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.95ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 37.2MB in the end (delta: 3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.37ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 33.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,303 INFO L158 Benchmark]: Boogie Preprocessor took 43.38ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 30.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,304 INFO L158 Benchmark]: RCFGBuilder took 563.74ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.5MB in the beginning and 55.6MB in the end (delta: -25.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,304 INFO L158 Benchmark]: TraceAbstraction took 892.91ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 38.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,304 INFO L158 Benchmark]: Witness Printer took 117.46ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 73.4MB in the end (delta: -35.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-07-21 02:44:06,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.95ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 37.2MB in the end (delta: 3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.37ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 33.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.38ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 30.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 563.74ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.5MB in the beginning and 55.6MB in the end (delta: -25.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 892.91ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 38.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 117.46ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 73.4MB in the end (delta: -35.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * 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 4 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 844 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 412 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 432 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 69 PreInvPairs, 93 NumberOfFragments, 30 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 300]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: !(Id_MCDC_103 == 0) && aux-( long long ) (Id_MCDC_94[0] * Id_MCDC_122) >= 0 && ( long long ) (Id_MCDC_94[0] * Id_MCDC_122) <= 4294967295-aux RESULT: Ultimate proved your program to be correct! [2022-07-21 02:44:06,345 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE