/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:21:04,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:21:04,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:21:04,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:21:04,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:21:04,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:21:04,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:21:04,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:21:04,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:21:04,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:21:04,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:21:04,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:21:04,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:21:04,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:21:04,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:21:04,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:21:04,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:21:04,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:21:04,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:21:04,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:21:04,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:21:04,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:21:04,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:21:04,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:21:04,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:21:04,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:21:04,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:21:04,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:21:04,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:21:04,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:21:04,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:21:04,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:21:04,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:21:04,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:21:04,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:21:04,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:21:04,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:21:04,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:21:04,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:21:04,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:21:04,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:21:04,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 05:21:04,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:21:04,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:21:04,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:21:04,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:21:04,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:21:04,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:21:04,418 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:21:04,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:21:04,419 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:21:04,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:21:04,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:21:04,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:21:04,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:21:04,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:21:04,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:21:04,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:21:04,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:21:04,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:21:04,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:21:04,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:21:04,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:21:04,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:21:04,423 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:21:04,424 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:21:04,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:21:04,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:21:04,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:21:04,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:21:04,631 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:21:04,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2022-01-11 05:21:04,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26bc4ffc/ef5a2085c0f940afaab0d5448466e19f/FLAGb058875cc [2022-01-11 05:21:05,308 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:21:05,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2022-01-11 05:21:05,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26bc4ffc/ef5a2085c0f940afaab0d5448466e19f/FLAGb058875cc [2022-01-11 05:21:05,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b26bc4ffc/ef5a2085c0f940afaab0d5448466e19f [2022-01-11 05:21:05,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:21:05,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:21:05,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:21:05,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:21:05,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:21:05,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:21:05" (1/1) ... [2022-01-11 05:21:05,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49739066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:05, skipping insertion in model container [2022-01-11 05:21:05,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:21:05" (1/1) ... [2022-01-11 05:21:05,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:21:05,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:21:05,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-11 05:21:06,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:21:06,942 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 05:21:06,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:21:06,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-11 05:21:07,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:21:07,121 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:21:07,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i[452,465] [2022-01-11 05:21:07,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:21:07,456 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:21:07,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07 WrapperNode [2022-01-11 05:21:07,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:21:07,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:21:07,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:21:07,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:21:07,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,740 INFO L137 Inliner]: procedures = 483, calls = 2708, calls flagged for inlining = 215, calls inlined = 308, statements flattened = 4578 [2022-01-11 05:21:07,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:21:07,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:21:07,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:21:07,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:21:07,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:21:07,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:21:07,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:21:07,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:21:07,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (1/1) ... [2022-01-11 05:21:07,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:21:07,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:21:07,978 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) [2022-01-11 05:21:07,985 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 [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-01-11 05:21:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:21:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-01-11 05:21:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-11 05:21:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-11 05:21:08,419 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:21:08,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:21:22,116 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:21:22,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:21:22,137 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-11 05:21:22,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:21:22 BoogieIcfgContainer [2022-01-11 05:21:22,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:21:22,140 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:21:22,140 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:21:22,141 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:21:22,144 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:21:22" (1/1) ... [2022-01-11 05:21:22,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:21:22 BasicIcfg [2022-01-11 05:21:22,964 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:21:22,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:21:22,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:21:22,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:21:22,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:21:05" (1/4) ... [2022-01-11 05:21:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:21:22, skipping insertion in model container [2022-01-11 05:21:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:21:07" (2/4) ... [2022-01-11 05:21:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:21:22, skipping insertion in model container [2022-01-11 05:21:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:21:22" (3/4) ... [2022-01-11 05:21:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:21:22, skipping insertion in model container [2022-01-11 05:21:22,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:21:22" (4/4) ... [2022-01-11 05:21:22,970 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.iTransformedIcfg [2022-01-11 05:21:22,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:21:22,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-01-11 05:21:23,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:21:23,023 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 [2022-01-11 05:21:23,024 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-01-11 05:21:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 725 states, 662 states have (on average 1.350453172205438) internal successors, (894), 724 states have internal predecessors, (894), 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) [2022-01-11 05:21:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 05:21:23,054 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:21:23,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:21:23,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-11 05:21:23,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:21:23,059 INFO L85 PathProgramCache]: Analyzing trace with hash 193107076, now seen corresponding path program 1 times [2022-01-11 05:21:23,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:21:23,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879120593] [2022-01-11 05:21:23,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:21:23,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:21:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:21:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:21:24,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:21:24,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879120593] [2022-01-11 05:21:24,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879120593] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:21:24,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:21:24,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:21:24,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644226228] [2022-01-11 05:21:24,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:21:24,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:21:24,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:21:24,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:21:24,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:21:24,879 INFO L87 Difference]: Start difference. First operand has 725 states, 662 states have (on average 1.350453172205438) internal successors, (894), 724 states have internal predecessors, (894), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-11 05:21:24,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:21:24,933 INFO L93 Difference]: Finished difference Result 1445 states and 1781 transitions. [2022-01-11 05:21:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:21:24,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2022-01-11 05:21:24,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:21:24,947 INFO L225 Difference]: With dead ends: 1445 [2022-01-11 05:21:24,948 INFO L226 Difference]: Without dead ends: 709 [2022-01-11 05:21:24,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:21:24,955 INFO L933 BasicCegarLoop]: 821 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, 821 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 [2022-01-11 05:21:24,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:21:24,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2022-01-11 05:21:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2022-01-11 05:21:25,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 647 states have (on average 1.242658423493045) internal successors, (804), 708 states have internal predecessors, (804), 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) [2022-01-11 05:21:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 804 transitions. [2022-01-11 05:21:25,049 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 804 transitions. Word has length 11 [2022-01-11 05:21:25,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:21:25,049 INFO L470 AbstractCegarLoop]: Abstraction has 709 states and 804 transitions. [2022-01-11 05:21:25,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-11 05:21:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 804 transitions. [2022-01-11 05:21:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 05:21:25,050 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:21:25,050 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:21:25,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:21:25,051 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-11 05:21:25,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:21:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 221736227, now seen corresponding path program 1 times [2022-01-11 05:21:25,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:21:25,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127744276] [2022-01-11 05:21:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:21:25,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:21:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:21:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:21:27,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:21:27,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127744276] [2022-01-11 05:21:27,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127744276] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:21:27,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:21:27,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:21:27,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609383224] [2022-01-11 05:21:27,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:21:27,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:21:27,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:21:27,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:21:27,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:21:27,440 INFO L87 Difference]: Start difference. First operand 709 states and 804 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-01-11 05:21:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:21:27,649 INFO L93 Difference]: Finished difference Result 1417 states and 1608 transitions. [2022-01-11 05:21:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:21:27,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Word has length 11 [2022-01-11 05:21:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:21:27,659 INFO L225 Difference]: With dead ends: 1417 [2022-01-11 05:21:27,659 INFO L226 Difference]: Without dead ends: 713 [2022-01-11 05:21:27,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:21:27,663 INFO L933 BasicCegarLoop]: 800 mSDtfsCounter, 2 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 05:21:27,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1595 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 05:21:27,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2022-01-11 05:21:27,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 711. [2022-01-11 05:21:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 649 states have (on average 1.2419106317411401) internal successors, (806), 710 states have internal predecessors, (806), 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) [2022-01-11 05:21:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 806 transitions. [2022-01-11 05:21:27,677 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 806 transitions. Word has length 11 [2022-01-11 05:21:27,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:21:27,677 INFO L470 AbstractCegarLoop]: Abstraction has 711 states and 806 transitions. [2022-01-11 05:21:27,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-01-11 05:21:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 806 transitions. [2022-01-11 05:21:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-11 05:21:27,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:21:27,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:21:27,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:21:27,678 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-11 05:21:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:21:27,679 INFO L85 PathProgramCache]: Analyzing trace with hash -451040377, now seen corresponding path program 1 times [2022-01-11 05:21:27,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:21:27,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577991949] [2022-01-11 05:21:27,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:21:27,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:21:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:21:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-11 05:21:29,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:21:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577991949] [2022-01-11 05:21:29,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577991949] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 05:21:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689181217] [2022-01-11 05:21:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:21:29,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 05:21:29,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:21:29,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 05:21:29,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 05:21:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:21:36,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 9379 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-11 05:21:36,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 05:21:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-11 05:21:36,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 05:21:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-11 05:21:36,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689181217] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 05:21:36,257 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 05:21:36,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-01-11 05:21:36,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282853536] [2022-01-11 05:21:36,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 05:21:36,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-11 05:21:36,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:21:36,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-11 05:21:36,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-11 05:21:36,262 INFO L87 Difference]: Start difference. First operand 711 states and 806 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-01-11 05:21:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:21:36,693 INFO L93 Difference]: Finished difference Result 1422 states and 1614 transitions. [2022-01-11 05:21:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 05:21:36,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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) Word has length 15 [2022-01-11 05:21:36,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:21:36,696 INFO L225 Difference]: With dead ends: 1422 [2022-01-11 05:21:36,696 INFO L226 Difference]: Without dead ends: 717 [2022-01-11 05:21:36,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-01-11 05:21:36,699 INFO L933 BasicCegarLoop]: 799 mSDtfsCounter, 2393 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 05:21:36,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2393 Valid, 1596 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 05:21:36,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-01-11 05:21:36,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2022-01-11 05:21:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 655 states have (on average 1.2381679389312976) internal successors, (811), 716 states have internal predecessors, (811), 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) [2022-01-11 05:21:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 811 transitions. [2022-01-11 05:21:36,714 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 811 transitions. Word has length 15 [2022-01-11 05:21:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:21:36,715 INFO L470 AbstractCegarLoop]: Abstraction has 717 states and 811 transitions. [2022-01-11 05:21:36,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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) [2022-01-11 05:21:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 811 transitions. [2022-01-11 05:21:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-11 05:21:36,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:21:36,716 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:21:36,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-11 05:21:36,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 05:21:36,932 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2022-01-11 05:21:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:21:36,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1404760979, now seen corresponding path program 2 times [2022-01-11 05:21:36,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:21:36,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029139802] [2022-01-11 05:21:36,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:21:36,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:21:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:21:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-11 05:21:39,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:21:39,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029139802] [2022-01-11 05:21:39,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029139802] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 05:21:39,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233621567] [2022-01-11 05:21:39,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-11 05:21:39,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 05:21:39,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:21:39,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 05:21:39,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process