/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 02:50:39,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 02:50:39,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 02:50:39,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 02:50:39,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 02:50:39,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 02:50:39,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 02:50:39,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 02:50:39,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 02:50:39,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 02:50:39,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 02:50:39,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 02:50:39,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 02:50:39,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 02:50:39,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 02:50:39,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 02:50:39,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 02:50:39,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 02:50:39,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 02:50:39,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 02:50:39,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 02:50:39,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 02:50:39,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 02:50:39,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 02:50:39,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 02:50:39,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 02:50:39,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 02:50:39,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 02:50:39,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 02:50:39,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 02:50:39,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 02:50:39,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 02:50:39,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 02:50:39,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 02:50:39,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 02:50:39,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 02:50:39,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 02:50:39,349 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 02:50:39,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 02:50:39,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 02:50:39,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 02:50:39,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 02:50:39,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 02:50:39,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 02:50:39,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 02:50:39,351 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 02:50:39,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 02:50:39,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 02:50:39,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 02:50:39,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 02:50:39,545 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 02:50:39,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-01-10 02:50:39,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e484c0537/6257d6f8a5e749daa7fe33b7e0e58193/FLAGee08139b4 [2022-01-10 02:50:39,923 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 02:50:39,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-01-10 02:50:39,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e484c0537/6257d6f8a5e749daa7fe33b7e0e58193/FLAGee08139b4 [2022-01-10 02:50:40,320 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e484c0537/6257d6f8a5e749daa7fe33b7e0e58193 [2022-01-10 02:50:40,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 02:50:40,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 02:50:40,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 02:50:40,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 02:50:40,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 02:50:40,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1457c3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40, skipping insertion in model container [2022-01-10 02:50:40,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 02:50:40,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 02:50:40,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-01-10 02:50:40,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 02:50:40,551 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 02:50:40,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 02:50:40,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-01-10 02:50:40,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 02:50:40,593 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 02:50:40,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-01-10 02:50:40,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 02:50:40,661 INFO L208 MainTranslator]: Completed translation [2022-01-10 02:50:40,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40 WrapperNode [2022-01-10 02:50:40,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 02:50:40,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 02:50:40,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 02:50:40,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 02:50:40,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,715 INFO L137 Inliner]: procedures = 36, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 456 [2022-01-10 02:50:40,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 02:50:40,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 02:50:40,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 02:50:40,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 02:50:40,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 02:50:40,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 02:50:40,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 02:50:40,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 02:50:40,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (1/1) ... [2022-01-10 02:50:40,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 02:50:40,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 02:50:40,786 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) [2022-01-10 02:50:40,789 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 [2022-01-10 02:50:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 02:50:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 02:50:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 02:50:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-01-10 02:50:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-01-10 02:50:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-01-10 02:50:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 02:50:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 02:50:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-01-10 02:50:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-01-10 02:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 02:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 02:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 02:50:40,916 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 02:50:40,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 02:50:41,459 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 02:50:41,465 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 02:50:41,465 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-10 02:50:41,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:50:41 BoogieIcfgContainer [2022-01-10 02:50:41,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 02:50:41,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 02:50:41,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 02:50:41,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 02:50:41,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:50:40" (1/3) ... [2022-01-10 02:50:41,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b57f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:50:41, skipping insertion in model container [2022-01-10 02:50:41,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:50:40" (2/3) ... [2022-01-10 02:50:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b57f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:50:41, skipping insertion in model container [2022-01-10 02:50:41,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:50:41" (3/3) ... [2022-01-10 02:50:41,475 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2022-01-10 02:50:41,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 02:50:41,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 02:50:41,527 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 02:50:41,531 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 02:50:41,531 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 02:50:41,545 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) [2022-01-10 02:50:41,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 02:50:41,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:41,553 INFO L514 BasicCegarLoop]: 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] [2022-01-10 02:50:41,554 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1385875532, now seen corresponding path program 1 times [2022-01-10 02:50:41,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:41,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009665240] [2022-01-10 02:50:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:41,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:41,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:41,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 02:50:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:41,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2022-01-10 02:50:41,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:50:41,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:41,878 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:41,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009665240] [2022-01-10 02:50:41,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009665240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:41,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:41,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 02:50:41,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023848338] [2022-01-10 02:50:41,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:41,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 02:50:41,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:41,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 02:50:41,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 02:50:41,916 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), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 02:50:41,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:41,965 INFO L93 Difference]: Finished difference Result 201 states and 320 transitions. [2022-01-10 02:50:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 02:50:41,967 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), 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 [2022-01-10 02:50:41,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:41,980 INFO L225 Difference]: With dead ends: 201 [2022-01-10 02:50:41,980 INFO L226 Difference]: Without dead ends: 97 [2022-01-10 02:50:41,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 02:50:41,991 INFO L933 BasicCegarLoop]: 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 [2022-01-10 02:50:41,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:42,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-01-10 02:50:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-01-10 02:50:42,029 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) [2022-01-10 02:50:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 144 transitions. [2022-01-10 02:50:42,031 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 144 transitions. Word has length 26 [2022-01-10 02:50:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:42,032 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 144 transitions. [2022-01-10 02:50:42,032 INFO L471 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), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-01-10 02:50:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2022-01-10 02:50:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 02:50:42,038 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:42,038 INFO L514 BasicCegarLoop]: 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] [2022-01-10 02:50:42,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:42,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:42,251 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1206592093, now seen corresponding path program 1 times [2022-01-10 02:50:42,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:42,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673469878] [2022-01-10 02:50:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:42,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:42,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:42,256 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:42,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 02:50:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:42,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:50:42,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:50:42,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:42,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:42,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673469878] [2022-01-10 02:50:42,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673469878] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:42,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:42,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:50:42,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525377214] [2022-01-10 02:50:42,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:42,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:50:42,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:42,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:50:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:42,543 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) [2022-01-10 02:50:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:42,601 INFO L93 Difference]: Finished difference Result 224 states and 339 transitions. [2022-01-10 02:50:42,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:50:42,604 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 [2022-01-10 02:50:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:42,606 INFO L225 Difference]: With dead ends: 224 [2022-01-10 02:50:42,606 INFO L226 Difference]: Without dead ends: 132 [2022-01-10 02:50:42,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:42,607 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 44 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:42,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 304 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-01-10 02:50:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 98. [2022-01-10 02:50:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 86 states have (on average 1.5116279069767442) internal successors, (130), 87 states have internal predecessors, (130), 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) [2022-01-10 02:50:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 145 transitions. [2022-01-10 02:50:42,617 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 145 transitions. Word has length 26 [2022-01-10 02:50:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:42,618 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 145 transitions. [2022-01-10 02:50:42,618 INFO L471 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) [2022-01-10 02:50:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2022-01-10 02:50:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-10 02:50:42,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:42,619 INFO L514 BasicCegarLoop]: 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] [2022-01-10 02:50:42,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 02:50:42,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:42,823 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:42,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:42,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1030844731, now seen corresponding path program 1 times [2022-01-10 02:50:42,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:42,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075251301] [2022-01-10 02:50:42,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:42,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:42,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:42,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:42,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 02:50:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:42,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 02:50:42,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:50:43,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 02:50:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:50:43,112 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:43,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075251301] [2022-01-10 02:50:43,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075251301] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 02:50:43,114 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 02:50:43,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 02:50:43,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418675184] [2022-01-10 02:50:43,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 02:50:43,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 02:50:43,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:43,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 02:50:43,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 02:50:43,117 INFO L87 Difference]: Start difference. First operand 98 states and 145 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:43,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:43,359 INFO L93 Difference]: Finished difference Result 328 states and 508 transitions. [2022-01-10 02:50:43,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 02:50:43,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-01-10 02:50:43,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:43,362 INFO L225 Difference]: With dead ends: 328 [2022-01-10 02:50:43,362 INFO L226 Difference]: Without dead ends: 236 [2022-01-10 02:50:43,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-01-10 02:50:43,364 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 219 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:43,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 851 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 02:50:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-01-10 02:50:43,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 104. [2022-01-10 02:50:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 92 states have (on average 1.4782608695652173) internal successors, (136), 93 states have internal predecessors, (136), 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) [2022-01-10 02:50:43,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2022-01-10 02:50:43,376 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 28 [2022-01-10 02:50:43,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:43,376 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2022-01-10 02:50:43,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2022-01-10 02:50:43,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-01-10 02:50:43,377 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:43,377 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-01-10 02:50:43,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:43,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:43,600 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1128423637, now seen corresponding path program 2 times [2022-01-10 02:50:43,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:43,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422315594] [2022-01-10 02:50:43,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 02:50:43,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:43,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:43,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 02:50:43,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-10 02:50:43,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 02:50:43,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:50:43,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 02:50:43,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:43,833 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:43,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422315594] [2022-01-10 02:50:43,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422315594] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:43,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:43,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:50:43,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997945594] [2022-01-10 02:50:43,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:43,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:50:43,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:43,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:50:43,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:43,834 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 02:50:43,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:43,859 INFO L93 Difference]: Finished difference Result 150 states and 215 transitions. [2022-01-10 02:50:43,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:50:43,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 34 [2022-01-10 02:50:43,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:43,861 INFO L225 Difference]: With dead ends: 150 [2022-01-10 02:50:43,861 INFO L226 Difference]: Without dead ends: 116 [2022-01-10 02:50:43,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:43,863 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 15 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:43,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 278 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-01-10 02:50:43,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 104. [2022-01-10 02:50:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 93 states have internal predecessors, (135), 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) [2022-01-10 02:50:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2022-01-10 02:50:43,870 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 34 [2022-01-10 02:50:43,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:43,870 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2022-01-10 02:50:43,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-01-10 02:50:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2022-01-10 02:50:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-01-10 02:50:43,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:43,871 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-01-10 02:50:43,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:44,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:44,079 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1761551710, now seen corresponding path program 1 times [2022-01-10 02:50:44,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:44,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338669223] [2022-01-10 02:50:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:44,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:44,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:44,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 02:50:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:44,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:50:44,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 02:50:44,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:44,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:44,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338669223] [2022-01-10 02:50:44,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338669223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:44,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:44,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:50:44,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786428781] [2022-01-10 02:50:44,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:44,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:50:44,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:44,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:50:44,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:44,336 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-01-10 02:50:44,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:44,391 INFO L93 Difference]: Finished difference Result 170 states and 247 transitions. [2022-01-10 02:50:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:50:44,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 35 [2022-01-10 02:50:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:44,394 INFO L225 Difference]: With dead ends: 170 [2022-01-10 02:50:44,394 INFO L226 Difference]: Without dead ends: 136 [2022-01-10 02:50:44,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:44,395 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 42 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:44,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 281 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-01-10 02:50:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 105. [2022-01-10 02:50:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-01-10 02:50:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2022-01-10 02:50:44,400 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 35 [2022-01-10 02:50:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:44,400 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2022-01-10 02:50:44,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-01-10 02:50:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2022-01-10 02:50:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 02:50:44,401 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:44,401 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 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] [2022-01-10 02:50:44,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:44,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:44,611 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:44,612 INFO L85 PathProgramCache]: Analyzing trace with hash -945237253, now seen corresponding path program 1 times [2022-01-10 02:50:44,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:44,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308339483] [2022-01-10 02:50:44,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:44,613 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:44,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:44,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 02:50:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:44,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:50:44,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-10 02:50:44,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:44,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:44,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308339483] [2022-01-10 02:50:44,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308339483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:44,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:44,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:50:44,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987088069] [2022-01-10 02:50:44,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:44,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:50:44,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:44,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:50:44,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:44,900 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 02:50:44,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:44,947 INFO L93 Difference]: Finished difference Result 137 states and 193 transitions. [2022-01-10 02:50:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:50:44,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-01-10 02:50:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:44,949 INFO L225 Difference]: With dead ends: 137 [2022-01-10 02:50:44,949 INFO L226 Difference]: Without dead ends: 109 [2022-01-10 02:50:44,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:44,950 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 46 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:44,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 228 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:44,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-01-10 02:50:44,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2022-01-10 02:50:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 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) [2022-01-10 02:50:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2022-01-10 02:50:44,954 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 44 [2022-01-10 02:50:44,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:44,954 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2022-01-10 02:50:44,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-10 02:50:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2022-01-10 02:50:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 02:50:44,955 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:44,955 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2022-01-10 02:50:44,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:45,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:45,165 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:45,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:45,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1712835198, now seen corresponding path program 1 times [2022-01-10 02:50:45,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:45,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025995577] [2022-01-10 02:50:45,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:45,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:45,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:45,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 02:50:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:45,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 02:50:45,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 02:50:45,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 02:50:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-10 02:50:45,534 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:45,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025995577] [2022-01-10 02:50:45,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025995577] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 02:50:45,535 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 02:50:45,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 02:50:45,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263332370] [2022-01-10 02:50:45,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 02:50:45,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 02:50:45,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:45,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 02:50:45,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 02:50:45,537 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 02:50:45,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:45,691 INFO L93 Difference]: Finished difference Result 146 states and 208 transitions. [2022-01-10 02:50:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 02:50:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-01-10 02:50:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:45,693 INFO L225 Difference]: With dead ends: 146 [2022-01-10 02:50:45,693 INFO L226 Difference]: Without dead ends: 118 [2022-01-10 02:50:45,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-01-10 02:50:45,693 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 108 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:45,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 361 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:50:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-01-10 02:50:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-01-10 02:50:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 107 states have internal predecessors, (155), 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) [2022-01-10 02:50:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2022-01-10 02:50:45,698 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 44 [2022-01-10 02:50:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:45,698 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2022-01-10 02:50:45,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 02:50:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2022-01-10 02:50:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 02:50:45,698 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:45,699 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 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] [2022-01-10 02:50:45,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:45,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:45,907 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:45,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash 61536735, now seen corresponding path program 1 times [2022-01-10 02:50:45,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:45,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531991435] [2022-01-10 02:50:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:45,909 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:45,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:45,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:45,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 02:50:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:46,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 02:50:46,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-01-10 02:50:46,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 02:50:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-01-10 02:50:46,361 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:46,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531991435] [2022-01-10 02:50:46,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531991435] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 02:50:46,361 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 02:50:46,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-01-10 02:50:46,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266160617] [2022-01-10 02:50:46,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 02:50:46,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 02:50:46,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:46,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 02:50:46,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-01-10 02:50:46,362 INFO L87 Difference]: Start difference. First operand 118 states and 170 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 02:50:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:46,546 INFO L93 Difference]: Finished difference Result 273 states and 378 transitions. [2022-01-10 02:50:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 02:50:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2022-01-10 02:50:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:46,548 INFO L225 Difference]: With dead ends: 273 [2022-01-10 02:50:46,548 INFO L226 Difference]: Without dead ends: 247 [2022-01-10 02:50:46,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-01-10 02:50:46,549 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 282 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:50:46,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 1325 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:50:46,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-01-10 02:50:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 199. [2022-01-10 02:50:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 172 states have internal predecessors, (243), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-10 02:50:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 282 transitions. [2022-01-10 02:50:46,557 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 282 transitions. Word has length 60 [2022-01-10 02:50:46,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:46,557 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 282 transitions. [2022-01-10 02:50:46,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (7), 6 states have call predecessors, (7), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-01-10 02:50:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2022-01-10 02:50:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-10 02:50:46,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:46,558 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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] [2022-01-10 02:50:46,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:46,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:46,769 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:46,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:46,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1204076881, now seen corresponding path program 2 times [2022-01-10 02:50:46,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:46,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1863373753] [2022-01-10 02:50:46,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 02:50:46,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:46,771 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:46,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 02:50:46,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-10 02:50:46,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 02:50:46,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:50:46,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-01-10 02:50:47,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:47,032 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:47,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1863373753] [2022-01-10 02:50:47,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1863373753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:47,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:47,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:50:47,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200501558] [2022-01-10 02:50:47,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:47,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:50:47,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:47,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:50:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:47,033 INFO L87 Difference]: Start difference. First operand 199 states and 282 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:47,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:47,068 INFO L93 Difference]: Finished difference Result 287 states and 403 transitions. [2022-01-10 02:50:47,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:50:47,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-01-10 02:50:47,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:47,075 INFO L225 Difference]: With dead ends: 287 [2022-01-10 02:50:47,075 INFO L226 Difference]: Without dead ends: 199 [2022-01-10 02:50:47,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:50:47,076 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 4 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 275 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 [2022-01-10 02:50:47,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 275 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:47,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-01-10 02:50:47,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2022-01-10 02:50:47,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 172 states have (on average 1.3837209302325582) internal successors, (238), 172 states have internal predecessors, (238), 20 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-01-10 02:50:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 277 transitions. [2022-01-10 02:50:47,082 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 277 transitions. Word has length 64 [2022-01-10 02:50:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:47,083 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 277 transitions. [2022-01-10 02:50:47,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 277 transitions. [2022-01-10 02:50:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-10 02:50:47,083 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:50:47,083 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 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] [2022-01-10 02:50:47,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:47,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:47,292 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:50:47,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:50:47,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1204017299, now seen corresponding path program 1 times [2022-01-10 02:50:47,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:50:47,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048592637] [2022-01-10 02:50:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:50:47,293 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:50:47,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:50:47,294 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:50:47,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 02:50:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:50:47,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-10 02:50:47,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:50:47,708 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-01-10 02:50:47,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:50:47,708 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:50:47,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048592637] [2022-01-10 02:50:47,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048592637] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:50:47,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:50:47,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 02:50:47,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847426614] [2022-01-10 02:50:47,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:50:47,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 02:50:47,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:50:47,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 02:50:47,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 02:50:47,709 INFO L87 Difference]: Start difference. First operand 199 states and 277 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:50:47,746 INFO L93 Difference]: Finished difference Result 205 states and 284 transitions. [2022-01-10 02:50:47,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 02:50:47,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2022-01-10 02:50:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:50:47,751 INFO L225 Difference]: With dead ends: 205 [2022-01-10 02:50:47,751 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 02:50:47,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 02:50:47,752 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 5 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 413 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 [2022-01-10 02:50:47,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 413 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:50:47,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 02:50:47,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 02:50:47,752 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) [2022-01-10 02:50:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 02:50:47,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-01-10 02:50:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:50:47,752 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 02:50:47,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-10 02:50:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 02:50:47,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 02:50:47,754 INFO L764 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 02:50:47,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 02:50:47,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:50:47,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-01-10 02:50:48,207 INFO L861 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-01-10 02:50:48,207 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-01-10 02:50:48,207 INFO L858 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L861 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-01-10 02:50:48,208 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L854 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (let ((.cse1 (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv3 32))) (.cse0 (= (_ bv3 32) |Id_MCDC_95_~Id_MCDC_93#1|))) (and (or (not (= (_ bv2 32) |Id_MCDC_95_~Id_MCDC_93#1|)) (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv2 32))) (or .cse0 (not .cse1)) (or .cse1 (not .cse0)) (= |Id_MCDC_95___VERIFIER_assert_~Id_MCDC_103#1| (_ bv1 32)) |Id_MCDC_95_#t~short24#1|)) [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L854 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (let ((.cse1 (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv3 32))) (.cse0 (= (_ bv3 32) |Id_MCDC_95_~Id_MCDC_93#1|))) (and (or (not (= (_ bv2 32) |Id_MCDC_95_~Id_MCDC_93#1|)) (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv2 32))) (or .cse0 (not .cse1)) (or (= (_ bv4 32) |Id_MCDC_95_~Id_MCDC_93#1|) (not (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv4 32)))) (or .cse1 (not .cse0)))) [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: (let ((.cse1 (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv3 32))) (.cse0 (= (_ bv3 32) |Id_MCDC_95_~Id_MCDC_93#1|))) (and (or (not (= (_ bv2 32) |Id_MCDC_95_~Id_MCDC_93#1|)) (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv2 32))) (or .cse0 (not .cse1)) (or (= (_ bv4 32) |Id_MCDC_95_~Id_MCDC_93#1|) (not (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv4 32)))) (or .cse1 (not .cse0)))) [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-01-10 02:50:48,209 INFO L858 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L298-2(line 298) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L854 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (let ((.cse1 (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv3 32))) (.cse0 (= (_ bv3 32) |Id_MCDC_95_~Id_MCDC_93#1|))) (and (or .cse0 (not .cse1)) (or (= (_ bv4 32) |Id_MCDC_95_~Id_MCDC_93#1|) (not (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv4 32)))) (or .cse1 (and (not (= (_ bv2 32) |Id_MCDC_95_~Id_MCDC_93#1|)) (not .cse0))))) [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L854 garLoopResultBuilder]: At program point L278(lines 249 279) the Hoare annotation is: (let ((.cse1 (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv3 32))) (.cse0 (= (_ bv3 32) |Id_MCDC_95_~Id_MCDC_93#1|))) (and (or (not (= (_ bv2 32) |Id_MCDC_95_~Id_MCDC_93#1|)) (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv2 32))) (or .cse0 (not .cse1)) (or (= (_ bv4 32) |Id_MCDC_95_~Id_MCDC_93#1|) (not (= |Id_MCDC_95_#in~Id_MCDC_93#1| (_ bv4 32)))) (or .cse1 (not .cse0)))) [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L854 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-01-10 02:50:48,210 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L854 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L861 garLoopResultBuilder]: At program point L425(lines 420 426) the Hoare annotation is: true [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L854 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L861 garLoopResultBuilder]: At program point L418(lines 400 419) the Hoare annotation is: true [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L854 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: (and (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) (= (_ bv6144 32) |ULTIMATE.start_Id_MCDC_97_~Id_MCDC_123~0#1|)) [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-01-10 02:50:48,211 INFO L861 garLoopResultBuilder]: At program point L427(lines 427 458) the Hoare annotation is: true [2022-01-10 02:50:48,211 INFO L854 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L854 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L854 garLoopResultBuilder]: At program point L329(lines 300 330) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L854 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L861 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2022-01-10 02:50:48,212 INFO L861 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2022-01-10 02:50:48,212 INFO L854 garLoopResultBuilder]: At program point L398(lines 331 399) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L854 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: (= |ULTIMATE.start_Id_MCDC_99_~Id_MCDC_140~0#1| (_ bv0 32)) [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-01-10 02:50:48,212 INFO L858 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-01-10 02:50:48,213 INFO L861 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-01-10 02:50:48,214 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-01-10 02:50:48,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 02:50:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:50:48 BoogieIcfgContainer [2022-01-10 02:50:48,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 02:50:48,236 INFO L158 Benchmark]: Toolchain (without parser) took 7912.87ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 128.5MB in the beginning and 161.8MB in the end (delta: -33.3MB). Peak memory consumption was 16.6MB. Max. memory is 8.0GB. [2022-01-10 02:50:48,236 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory was 145.4MB in the beginning and 145.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 02:50:48,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.88ms. Allocated memory is still 179.3MB. Free memory was 128.4MB in the beginning and 143.3MB in the end (delta: -14.9MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-01-10 02:50:48,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.49ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 02:50:48,236 INFO L158 Benchmark]: Boogie Preprocessor took 33.77ms. Allocated memory is still 179.3MB. Free memory was 140.1MB in the beginning and 136.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 02:50:48,237 INFO L158 Benchmark]: RCFGBuilder took 715.98ms. Allocated memory is still 179.3MB. Free memory was 136.5MB in the beginning and 100.8MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-01-10 02:50:48,237 INFO L158 Benchmark]: TraceAbstraction took 6766.33ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 100.3MB in the beginning and 161.8MB in the end (delta: -61.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 02:50:48,238 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 179.3MB. Free memory was 145.4MB in the beginning and 145.3MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 335.88ms. Allocated memory is still 179.3MB. Free memory was 128.4MB in the beginning and 143.3MB in the end (delta: -14.9MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.49ms. Allocated memory is still 179.3MB. Free memory was 143.3MB in the beginning and 140.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.77ms. Allocated memory is still 179.3MB. Free memory was 140.1MB in the beginning and 136.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 715.98ms. Allocated memory is still 179.3MB. Free memory was 136.5MB in the beginning and 100.8MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6766.33ms. Allocated memory was 179.3MB in the beginning and 228.6MB in the end (delta: 49.3MB). Free memory was 100.3MB in the beginning and 161.8MB in the end (delta: -61.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 802 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 765 mSDsluCounter, 4467 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2861 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 1606 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 554 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=8, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 260 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 219 PreInvPairs, 273 NumberOfFragments, 202 HoareAnnotationTreeSize, 219 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 258 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 425 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 544 ConstructedInterpolants, 0 QuantifiedInterpolants, 662 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3381 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 279/289 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: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((!(2bv32 == Id_MCDC_93) || \old(Id_MCDC_93) == 2bv32) && (3bv32 == Id_MCDC_93 || !(\old(Id_MCDC_93) == 3bv32))) && (4bv32 == Id_MCDC_93 || !(\old(Id_MCDC_93) == 4bv32))) && (\old(Id_MCDC_93) == 3bv32 || !(3bv32 == Id_MCDC_93)) - 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: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 && 6144bv32 == Id_MCDC_123 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - 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: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: Id_MCDC_140 == 0bv32 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: ((((!(2bv32 == Id_MCDC_93) || \old(Id_MCDC_93) == 2bv32) && (3bv32 == Id_MCDC_93 || !(\old(Id_MCDC_93) == 3bv32))) && (\old(Id_MCDC_93) == 3bv32 || !(3bv32 == Id_MCDC_93))) && Id_MCDC_103 == 1bv32) && 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! [2022-01-10 02:50:48,275 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...