/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/nla-digbench-scaling/ps3-ll_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 02:46:30,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 02:46:30,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 02:46:30,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 02:46:30,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 02:46:30,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 02:46:30,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 02:46:30,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 02:46:30,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 02:46:30,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 02:46:30,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 02:46:30,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 02:46:30,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 02:46:30,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 02:46:30,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 02:46:30,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 02:46:30,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 02:46:30,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 02:46:30,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 02:46:30,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 02:46:30,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 02:46:30,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 02:46:30,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 02:46:30,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 02:46:30,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 02:46:30,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 02:46:30,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 02:46:30,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 02:46:30,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 02:46:30,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 02:46:30,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 02:46:30,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 02:46:30,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 02:46:30,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 02:46:30,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 02:46:30,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 02:46:30,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 02:46:30,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 02:46:30,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 02:46:30,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 02:46:30,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 02:46:30,561 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 02:46:30,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 02:46:30,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 02:46:30,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 02:46:30,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 02:46:30,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 02:46:30,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 02:46:30,592 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 02:46:30,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 02:46:30,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 02:46:30,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 02:46:30,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 02:46:30,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 02:46:30,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 02:46:30,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 02:46:30,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:46:30,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 02:46:30,595 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 02:46:30,596 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 02:46:30,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 02:46:30,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 02:46:30,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 02:46:30,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 02:46:30,597 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 02:46:30,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 02:46:30,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 02:46:30,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 02:46:30,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 02:46:30,824 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 02:46:30,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps3-ll_unwindbound2.c [2022-01-11 02:46:30,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed574bbf6/53e9c06b8dd249ebb00014f63306fd2c/FLAG1706bed9f [2022-01-11 02:46:31,225 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 02:46:31,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps3-ll_unwindbound2.c [2022-01-11 02:46:31,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed574bbf6/53e9c06b8dd249ebb00014f63306fd2c/FLAG1706bed9f [2022-01-11 02:46:31,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed574bbf6/53e9c06b8dd249ebb00014f63306fd2c [2022-01-11 02:46:31,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 02:46:31,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 02:46:31,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 02:46:31,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 02:46:31,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 02:46:31,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe5af03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31, skipping insertion in model container [2022-01-11 02:46:31,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 02:46:31,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 02:46:31,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps3-ll_unwindbound2.c[458,471] [2022-01-11 02:46:31,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:46:31,455 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 02:46:31,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps3-ll_unwindbound2.c[458,471] [2022-01-11 02:46:31,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:46:31,493 INFO L208 MainTranslator]: Completed translation [2022-01-11 02:46:31,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31 WrapperNode [2022-01-11 02:46:31,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 02:46:31,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 02:46:31,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 02:46:31,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 02:46:31,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,522 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2022-01-11 02:46:31,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 02:46:31,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 02:46:31,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 02:46:31,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 02:46:31,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 02:46:31,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 02:46:31,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 02:46:31,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 02:46:31,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (1/1) ... [2022-01-11 02:46:31,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:46:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:46:31,593 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 02:46:31,631 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 02:46:31,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 02:46:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 02:46:31,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 02:46:31,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 02:46:31,711 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 02:46:31,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 02:46:32,096 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 02:46:32,099 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 02:46:32,099 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 02:46:32,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:46:32 BoogieIcfgContainer [2022-01-11 02:46:32,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 02:46:32,101 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 02:46:32,101 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 02:46:32,103 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 02:46:32,105 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:46:32" (1/1) ... [2022-01-11 02:46:32,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:46:32 BasicIcfg [2022-01-11 02:46:32,178 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 02:46:32,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 02:46:32,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 02:46:32,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 02:46:32,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 02:46:31" (1/4) ... [2022-01-11 02:46:32,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40603976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:46:32, skipping insertion in model container [2022-01-11 02:46:32,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:46:31" (2/4) ... [2022-01-11 02:46:32,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40603976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:46:32, skipping insertion in model container [2022-01-11 02:46:32,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:46:32" (3/4) ... [2022-01-11 02:46:32,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40603976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:46:32, skipping insertion in model container [2022-01-11 02:46:32,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:46:32" (4/4) ... [2022-01-11 02:46:32,193 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound2.cTransformedIcfg [2022-01-11 02:46:32,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 02:46:32,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-11 02:46:32,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 02:46:32,245 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 02:46:32,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-11 02:46:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.5) internal successors, (21), 16 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 02:46:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-11 02:46:32,259 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:46:32,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-11 02:46:32,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:46:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:46:32,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2016054008, now seen corresponding path program 1 times [2022-01-11 02:46:32,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:46:32,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507814524] [2022-01-11 02:46:32,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:46:32,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:46:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:46:32,403 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 02:46:32,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:46:32,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507814524] [2022-01-11 02:46:32,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507814524] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 02:46:32,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 02:46:32,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 02:46:32,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457920588] [2022-01-11 02:46:32,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 02:46:32,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 02:46:32,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:46:32,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 02:46:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 02:46:32,438 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.5) internal successors, (21), 16 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 02:46:32,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:46:32,450 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2022-01-11 02:46:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 02:46:32,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-01-11 02:46:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:46:32,457 INFO L225 Difference]: With dead ends: 32 [2022-01-11 02:46:32,457 INFO L226 Difference]: Without dead ends: 13 [2022-01-11 02:46:32,459 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 02:46:32,463 INFO L933 BasicCegarLoop]: 18 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, 18 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 02:46:32,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 02:46:32,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-01-11 02:46:32,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-01-11 02:46:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 02:46:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-01-11 02:46:32,489 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2022-01-11 02:46:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:46:32,490 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-01-11 02:46:32,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 02:46:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-01-11 02:46:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-11 02:46:32,492 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:46:32,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-11 02:46:32,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 02:46:32,492 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:46:32,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:46:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2016022230, now seen corresponding path program 1 times [2022-01-11 02:46:32,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:46:32,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472934345] [2022-01-11 02:46:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:46:32,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:46:32,530 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 02:46:32,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369009043] [2022-01-11 02:46:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:46:32,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:46:32,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:46:32,533 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 02:46:32,587 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 02:46:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:46:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-11 02:46:32,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:46:32,845 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 02:46:32,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 02:46:32,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:46:32,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472934345] [2022-01-11 02:46:32,846 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 02:46:32,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369009043] [2022-01-11 02:46:32,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369009043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 02:46:32,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 02:46:32,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 02:46:32,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043988944] [2022-01-11 02:46:32,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 02:46:32,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 02:46:32,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:46:32,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 02:46:32,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 02:46:32,849 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 02:46:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:46:33,337 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-01-11 02:46:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 02:46:33,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-01-11 02:46:33,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:46:33,342 INFO L225 Difference]: With dead ends: 25 [2022-01-11 02:46:33,342 INFO L226 Difference]: Without dead ends: 18 [2022-01-11 02:46:33,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 02:46:33,343 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-11 02:46:33,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-11 02:46:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-11 02:46:33,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-11 02:46:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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 02:46:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-01-11 02:46:33,346 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-01-11 02:46:33,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:46:33,347 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-01-11 02:46:33,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 02:46:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-01-11 02:46:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-11 02:46:33,347 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:46:33,347 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:46:33,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-11 02:46:33,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:46:33,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:46:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:46:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash -655508129, now seen corresponding path program 1 times [2022-01-11 02:46:33,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:46:33,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080825167] [2022-01-11 02:46:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:46:33,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:46:33,591 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 02:46:33,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188741536] [2022-01-11 02:46:33,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:46:33,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:46:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:46:33,593 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 02:46:33,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-11 02:46:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:46:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-11 02:46:33,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:46:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:46:35,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 02:46:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 02:46:35,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:46:35,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080825167] [2022-01-11 02:46:35,631 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 02:46:35,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188741536] [2022-01-11 02:46:35,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188741536] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 02:46:35,632 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-11 02:46:35,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2022-01-11 02:46:35,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802762792] [2022-01-11 02:46:35,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-11 02:46:35,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 02:46:35,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:46:35,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 02:46:35,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-11 02:46:35,633 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 02:46:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:46:35,910 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-01-11 02:46:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 02:46:35,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 02:46:35,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:46:35,911 INFO L225 Difference]: With dead ends: 25 [2022-01-11 02:46:35,911 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 02:46:35,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 02:46:35,913 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 02:46:35,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 20 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 02:46:35,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 02:46:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 02:46:35,914 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) [2022-01-11 02:46:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 02:46:35,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-01-11 02:46:35,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:46:35,914 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 02:46:35,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 02:46:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 02:46:35,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 02:46:35,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-11 02:46:35,916 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-11 02:46:35,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-11 02:46:36,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-11 02:46:36,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L854 garLoopResultBuilder]: At program point L27-3(lines 27 36) the Hoare annotation is: (or (and (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 0) (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 0) (<= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 0)) (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ (mod (* 18446744073709551615 (mod (* (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2) 18446744073709551616)) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* 18446744073709551615 (mod (* (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 3) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* 18446744073709551615 |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616) (mod (* 6 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) 0))) [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L27-4(lines 27 36) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L27-1(lines 27 36) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2022-01-11 02:46:36,505 INFO L858 garLoopResultBuilder]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L861 garLoopResultBuilder]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L854 garLoopResultBuilder]: At program point L10-2(lines 9 15) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ (mod (* 18446744073709551615 (mod (* (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 2) 18446744073709551616)) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* 18446744073709551615 (mod (* (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 3) 18446744073709551616) |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* 18446744073709551615 |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616) (mod (* 6 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) 0)) [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L861 garLoopResultBuilder]: At program point L38(lines 18 39) the Hoare annotation is: true [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 02:46:36,506 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 02:46:36,509 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-11 02:46:36,510 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 02:46:36,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:46:36 BasicIcfg [2022-01-11 02:46:36,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 02:46:36,568 INFO L158 Benchmark]: Toolchain (without parser) took 5325.90ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 126.4MB in the beginning and 210.3MB in the end (delta: -84.0MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,568 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 02:46:36,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.04ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 126.2MB in the beginning and 210.9MB in the end (delta: -84.7MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.42ms. Allocated memory is still 237.0MB. Free memory was 210.9MB in the beginning and 209.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,569 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 237.0MB. Free memory was 209.4MB in the beginning and 208.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,569 INFO L158 Benchmark]: RCFGBuilder took 546.54ms. Allocated memory is still 237.0MB. Free memory was 207.8MB in the beginning and 198.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,570 INFO L158 Benchmark]: IcfgTransformer took 77.15ms. Allocated memory is still 237.0MB. Free memory was 198.4MB in the beginning and 194.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,570 INFO L158 Benchmark]: TraceAbstraction took 4379.23ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 210.3MB in the end (delta: -16.7MB). Peak memory consumption was 84.0MB. Max. memory is 8.0GB. [2022-01-11 02:46:36,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.04ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 126.2MB in the beginning and 210.9MB in the end (delta: -84.7MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.42ms. Allocated memory is still 237.0MB. Free memory was 210.9MB in the beginning and 209.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 237.0MB. Free memory was 209.4MB in the beginning and 208.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 546.54ms. Allocated memory is still 237.0MB. Free memory was 207.8MB in the beginning and 198.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 77.15ms. Allocated memory is still 237.0MB. Free memory was 198.4MB in the beginning and 194.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 4379.23ms. Allocated memory is still 237.0MB. Free memory was 193.6MB in the beginning and 210.3MB in the end (delta: -16.7MB). Peak memory consumption was 84.0MB. 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: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: 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 1 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 39 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 117 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 124 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 539 SizeOfPredicates, 7 NumberOfNonLiveVariables, 216 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/6 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 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) && 0bv64 == ~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128((y ++ 0bv1)[63:0]))[63:0]))[63:0]), 18446744073709551615bv128)[63:0]), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(~bvmul64(3bv128, ~zero_extendFrom64To128(y))[63:0]), ~zero_extendFrom64To128(y))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), 18446744073709551615bv128)[63:0])), ~zero_extendFrom64To65(~bvmul64(6bv128, ~zero_extendFrom64To128(x))[63:0]))[63:0] - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((~bvule64(x, 0bv64) && ~bvule64(0bv64, x)) && ~bvule64(0bv64, y)) && ~bvule64(y, 0bv64)) && c == 0bv64) || (~bvule32(1bv32, cond) && 0bv64 == ~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128((y ++ 0bv1)[63:0]))[63:0]))[63:0]), 18446744073709551615bv128)[63:0]), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(~zero_extendFrom64To128(~bvmul64(3bv128, ~zero_extendFrom64To128(y))[63:0]), ~zero_extendFrom64To128(y))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), 18446744073709551615bv128)[63:0])), ~zero_extendFrom64To65(~bvmul64(6bv128, ~zero_extendFrom64To128(x))[63:0]))[63:0]) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-11 02:46:36,617 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...