/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_NONE.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:03:18,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:03:18,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:03:18,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 21:03:18,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 21:03:18,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 21:03:18,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 21:03:18,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 21:03:18,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 21:03:18,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 21:03:18,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 21:03:18,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 21:03:18,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:03:18,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:03:18,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:03:18,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:03:18,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:03:18,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:03:18,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:03:18,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:03:18,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:03:18,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:03:18,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:03:18,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:03:18,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 21:03:18,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 21:03:18,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 21:03:18,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 21:03:18,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 21:03:18,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 21:03:18,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 21:03:18,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 21:03:18,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 21:03:18,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 21:03:18,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 21:03:18,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 21:03:18,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 21:03:18,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 21:03:18,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:03:18,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:03:18,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:03:18,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 21:03:18,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:03:18,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:03:18,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:03:18,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:03:18,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:03:18,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:03:18,531 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:03:18,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:03:18,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:03:18,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:03:18,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:03:18,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:03:18,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:03:18,532 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:03:18,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:03:18,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:03:18,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:03:18,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:03:18,535 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:03:18,535 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:03:18,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:03:18,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:03:18,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:03:18,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:03:18,763 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:03:18,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-01-10 21:03:18,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0db5853f/854704bf97ea4afa804711b35e33f197/FLAG84809e7fd [2022-01-10 21:03:19,226 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:03:19,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-01-10 21:03:19,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0db5853f/854704bf97ea4afa804711b35e33f197/FLAG84809e7fd [2022-01-10 21:03:19,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0db5853f/854704bf97ea4afa804711b35e33f197 [2022-01-10 21:03:19,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:03:19,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:03:19,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:03:19,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:03:19,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:03:19,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e12399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19, skipping insertion in model container [2022-01-10 21:03:19,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:03:19,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:03:19,782 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/sqrt1-ll_valuebound2.c[520,533] [2022-01-10 21:03:19,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:03:19,812 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:03:19,822 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/sqrt1-ll_valuebound2.c[520,533] [2022-01-10 21:03:19,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:03:19,848 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:03:19,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19 WrapperNode [2022-01-10 21:03:19,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:03:19,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:03:19,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:03:19,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:03:19,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,875 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 70 [2022-01-10 21:03:19,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:03:19,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:03:19,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:03:19,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:03:19,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:03:19,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:03:19,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:03:19,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:03:19,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (1/1) ... [2022-01-10 21:03:19,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:03:19,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:03:19,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 21:03:19,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 21:03:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:03:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:03:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:03:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:03:20,024 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:03:20,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:03:20,413 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:03:20,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:03:20,417 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 21:03:20,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:20 BoogieIcfgContainer [2022-01-10 21:03:20,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:03:20,418 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:03:20,418 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:03:20,421 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:03:20,423 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:20" (1/1) ... [2022-01-10 21:03:20,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:03:20 BasicIcfg [2022-01-10 21:03:20,486 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:03:20,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:03:20,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:03:20,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:03:20,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:03:19" (1/4) ... [2022-01-10 21:03:20,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a87555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:03:20, skipping insertion in model container [2022-01-10 21:03:20,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:03:19" (2/4) ... [2022-01-10 21:03:20,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a87555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:03:20, skipping insertion in model container [2022-01-10 21:03:20,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:03:20" (3/4) ... [2022-01-10 21:03:20,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a87555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:03:20, skipping insertion in model container [2022-01-10 21:03:20,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:03:20" (4/4) ... [2022-01-10 21:03:20,494 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound2.cTransformedIcfg [2022-01-10 21:03:20,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:03:20,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-10 21:03:20,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:03:20,541 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 21:03:20,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-10 21:03:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 21:03:20,552 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:03:20,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:03:20,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:03:20,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:03:20,555 INFO L85 PathProgramCache]: Analyzing trace with hash 536551784, now seen corresponding path program 1 times [2022-01-10 21:03:20,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:03:20,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592616724] [2022-01-10 21:03:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:20,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:03:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:03:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:20,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:03:20,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592616724] [2022-01-10 21:03:20,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592616724] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:03:20,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:03:20,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:03:20,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318389411] [2022-01-10 21:03:20,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:03:20,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 21:03:20,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:03:20,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 21:03:20,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 21:03:20,678 INFO L87 Difference]: Start difference. First operand has 34 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 33 states have internal predecessors, (43), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:03:20,688 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-01-10 21:03:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 21:03:20,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-01-10 21:03:20,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:03:20,694 INFO L225 Difference]: With dead ends: 65 [2022-01-10 21:03:20,694 INFO L226 Difference]: Without dead ends: 30 [2022-01-10 21:03:20,695 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 [2022-01-10 21:03:20,697 INFO L933 BasicCegarLoop]: 34 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, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:03:20,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:03:20,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-01-10 21:03:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-01-10 21:03:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-01-10 21:03:20,715 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 7 [2022-01-10 21:03:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:03:20,715 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2022-01-10 21:03:20,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-01-10 21:03:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 21:03:20,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:03:20,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:03:20,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:03:20,716 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:03:20,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:03:20,717 INFO L85 PathProgramCache]: Analyzing trace with hash 537475305, now seen corresponding path program 1 times [2022-01-10 21:03:20,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:03:20,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339072970] [2022-01-10 21:03:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:20,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:03:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:03:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:20,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:03:20,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339072970] [2022-01-10 21:03:20,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339072970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:03:20,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:03:20,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:03:20,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970821352] [2022-01-10 21:03:20,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:03:20,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:03:20,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:03:20,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:03:20,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:03:20,892 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:21,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:03:21,170 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-01-10 21:03:21,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:03:21,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2022-01-10 21:03:21,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:03:21,171 INFO L225 Difference]: With dead ends: 31 [2022-01-10 21:03:21,171 INFO L226 Difference]: Without dead ends: 27 [2022-01-10 21:03:21,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:03:21,172 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 21:03:21,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 21:03:21,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-01-10 21:03:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-01-10 21:03:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-01-10 21:03:21,179 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 7 [2022-01-10 21:03:21,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:03:21,179 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2022-01-10 21:03:21,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-01-10 21:03:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-01-10 21:03:21,180 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:03:21,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:03:21,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:03:21,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:03:21,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:03:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1117728014, now seen corresponding path program 1 times [2022-01-10 21:03:21,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:03:21,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602695887] [2022-01-10 21:03:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:21,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:03:21,192 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 21:03:21,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294301978] [2022-01-10 21:03:21,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:21,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:03:21,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:03:21,194 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) [2022-01-10 21:03:21,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 21:03:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:03:21,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 21:03:21,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:03:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:21,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 21:03:21,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:03:21,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602695887] [2022-01-10 21:03:21,289 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 21:03:21,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294301978] [2022-01-10 21:03:21,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294301978] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:03:21,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:03:21,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:03:21,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99732823] [2022-01-10 21:03:21,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:03:21,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:03:21,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:03:21,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:03:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:03:21,292 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:22,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:03:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:03:23,728 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2022-01-10 21:03:23,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 21:03:23,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-01-10 21:03:23,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:03:23,729 INFO L225 Difference]: With dead ends: 48 [2022-01-10 21:03:23,729 INFO L226 Difference]: Without dead ends: 44 [2022-01-10 21:03:23,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:03:23,731 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 17 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-10 21:03:23,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 41 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-01-10 21:03:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-01-10 21:03:23,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2022-01-10 21:03:23,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 37 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-01-10 21:03:23,740 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 9 [2022-01-10 21:03:23,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:03:23,740 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-01-10 21:03:23,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-01-10 21:03:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 21:03:23,740 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:03:23,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:03:23,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-10 21:03:23,956 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 [2022-01-10 21:03:23,957 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:03:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:03:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 394833203, now seen corresponding path program 1 times [2022-01-10 21:03:23,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:03:23,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692800388] [2022-01-10 21:03:23,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:23,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:03:23,967 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 21:03:23,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [161215480] [2022-01-10 21:03:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:23,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:03:23,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:03:23,995 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) [2022-01-10 21:03:24,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 21:03:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:03:24,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 21:03:24,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:03:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:24,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 21:03:24,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:03:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692800388] [2022-01-10 21:03:24,096 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 21:03:24,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161215480] [2022-01-10 21:03:24,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161215480] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:03:24,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:03:24,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:03:24,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892697185] [2022-01-10 21:03:24,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:03:24,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:03:24,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:03:24,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:03:24,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:03:24,098 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-01-10 21:03:26,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:03:29,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:03:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:03:29,131 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2022-01-10 21:03:29,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 21:03:29,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 [2022-01-10 21:03:29,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:03:29,132 INFO L225 Difference]: With dead ends: 44 [2022-01-10 21:03:29,132 INFO L226 Difference]: Without dead ends: 34 [2022-01-10 21:03:29,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 21:03:29,133 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:03:29,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 42 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-01-10 21:03:29,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-01-10 21:03:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-01-10 21:03:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 33 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-01-10 21:03:29,139 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 11 [2022-01-10 21:03:29,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:03:29,139 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2022-01-10 21:03:29,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-01-10 21:03:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-01-10 21:03:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 21:03:29,140 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:03:29,140 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:03:29,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 21:03:29,355 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,SelfDestructingSolverStorable3 [2022-01-10 21:03:29,356 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:03:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:03:29,356 INFO L85 PathProgramCache]: Analyzing trace with hash 852635260, now seen corresponding path program 1 times [2022-01-10 21:03:29,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:03:29,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914160472] [2022-01-10 21:03:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:29,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:03:29,366 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 21:03:29,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327275207] [2022-01-10 21:03:29,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:03:29,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:03:29,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:03:29,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:03:29,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 21:03:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:03:29,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2022-01-10 21:03:29,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:03:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:29,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:03:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:03:54,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:03:54,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914160472] [2022-01-10 21:03:54,368 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 21:03:54,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327275207] [2022-01-10 21:03:54,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327275207] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:03:54,369 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 21:03:54,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 12 [2022-01-10 21:03:54,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091054341] [2022-01-10 21:03:54,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 21:03:54,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 21:03:54,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:03:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 21:03:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=86, Unknown=2, NotChecked=0, Total=132 [2022-01-10 21:03:54,370 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:03:57,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:03,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:05,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:07,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:11,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:15,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:17,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:19,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-01-10 21:04:19,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:04:19,724 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-01-10 21:04:19,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 21:04:19,724 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 17 [2022-01-10 21:04:19,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:04:19,725 INFO L225 Difference]: With dead ends: 54 [2022-01-10 21:04:19,725 INFO L226 Difference]: Without dead ends: 40 [2022-01-10 21:04:19,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=109, Invalid=193, Unknown=4, NotChecked=0, Total=306 [2022-01-10 21:04:19,726 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 98 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 90 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-01-10 21:04:19,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 35 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 74 Invalid, 8 Unknown, 0 Unchecked, 16.7s Time] [2022-01-10 21:04:19,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-01-10 21:04:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2022-01-10 21:04:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 37 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:04:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2022-01-10 21:04:19,735 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 17 [2022-01-10 21:04:19,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:04:19,735 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2022-01-10 21:04:19,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:04:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-01-10 21:04:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-10 21:04:19,736 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:04:19,736 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-01-10 21:04:19,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 21:04:19,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:04:19,940 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 21:04:19,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:04:19,940 INFO L85 PathProgramCache]: Analyzing trace with hash 845912847, now seen corresponding path program 1 times [2022-01-10 21:04:19,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:04:19,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605581527] [2022-01-10 21:04:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:04:19,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:04:19,952 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 21:04:19,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2036308263] [2022-01-10 21:04:19,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:04:19,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:04:19,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:04:19,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 21:04:19,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 21:04:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:04:20,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-10 21:04:20,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:04:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:04:20,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:04:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:04:22,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:04:22,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605581527] [2022-01-10 21:04:22,552 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 21:04:22,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036308263] [2022-01-10 21:04:22,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036308263] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:04:22,552 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 21:04:22,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-01-10 21:04:22,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420764240] [2022-01-10 21:04:22,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 21:04:22,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 21:04:22,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:04:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 21:04:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-01-10 21:04:22,553 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:04:22,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:04:22,964 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2022-01-10 21:04:22,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 21:04:22,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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 27 [2022-01-10 21:04:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:04:22,965 INFO L225 Difference]: With dead ends: 38 [2022-01-10 21:04:22,965 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 21:04:22,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-01-10 21:04:22,966 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 46 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 21:04:22,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 30 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 21:04:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 21:04:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 21:04:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:04:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 21:04:22,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-01-10 21:04:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:04:22,967 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 21:04:22,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:04:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 21:04:22,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-10 21:04:22,969 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-10 21:04:22,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-10 21:04:23,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:04:23,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 21:04:24,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 21:04:24,049 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L8(lines 8 10) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L854 garLoopResultBuilder]: At program point L30-2(lines 30 42) the Hoare annotation is: (let ((.cse7 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| 2147483648) 2))) (let ((.cse0 (<= .cse7 (+ 2 |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|))) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| .cse7)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1)) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|))) (or (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| 1) .cse2 .cse3) (let ((.cse4 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse5 (let ((.cse6 (div .cse4 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse6) .cse4 1) 18446744073709551616)) (* 18446744073709551616 .cse6))))) (and .cse0 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (not (<= (+ 2 .cse4) .cse5)) .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse2 .cse3 (<= (+ .cse4 1) .cse5) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4))))))) [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L30-3(lines 30 42) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,050 INFO L854 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse8 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse7 (let ((.cse10 (div .cse8 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse10) .cse8 1) 18446744073709551616)) (* 18446744073709551616 .cse10)))) (.cse9 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| 2147483648) 2))) (let ((.cse0 (<= .cse9 (+ 2 |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|))) (.cse1 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| .cse9)) (.cse3 (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1)) (.cse4 (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|)) (.cse5 (<= (+ .cse8 1) .cse7)) (.cse6 (< .cse7 (+ 2 .cse8)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) (<= |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4)))))) [2022-01-10 21:04:24,050 INFO L858 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L854 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (let ((.cse4 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse3 (let ((.cse5 (div .cse4 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse5) .cse4 1) 18446744073709551616)) (* 18446744073709551616 .cse5))))) (let ((.cse0 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) (.cse1 (<= (+ .cse4 1) .cse3)) (.cse2 (< .cse3 (+ 2 .cse4)))) (or (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse1 .cse2 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4)) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) .cse1 .cse2))))) [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L854 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse8 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse7 (let ((.cse10 (div .cse8 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse10) .cse8 1) 18446744073709551616)) (* 18446744073709551616 .cse10)))) (.cse9 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| 2147483648) 2))) (let ((.cse0 (<= .cse9 (+ 2 |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|))) (.cse1 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| .cse9)) (.cse3 (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1)) (.cse4 (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|)) (.cse5 (<= (+ .cse8 1) .cse7)) (.cse6 (< .cse7 (+ 2 .cse8)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) (<= |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4)))))) [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,051 INFO L854 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (let ((.cse4 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse5 (let ((.cse6 (div .cse4 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse6) .cse4 1) 18446744073709551616)) (* 18446744073709551616 .cse6))))) (let ((.cse0 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) (.cse1 (not (<= (+ 2 .cse4) .cse5))) (.cse2 (<= (+ .cse4 1) .cse5)) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse2 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4) .cse3) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| 1) .cse2 .cse3))))) [2022-01-10 21:04:24,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L854 garLoopResultBuilder]: At program point L12-8(lines 11 17) the Hoare annotation is: (let ((.cse8 (* 2 |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (let ((.cse7 (let ((.cse10 (div .cse8 18446744073709551616))) (+ |ULTIMATE.start_ULTIMATE.start_main_~t~0#1Int| (* 18446744073709551616 (div (+ (* (- 18446744073709551616) .cse10) .cse8 1) 18446744073709551616)) (* 18446744073709551616 .cse10)))) (.cse9 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| 2147483648) 2))) (let ((.cse0 (<= .cse9 (+ 2 |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int|))) (.cse1 (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| .cse9)) (.cse3 (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1)) (.cse4 (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|)) (.cse5 (<= (+ .cse8 1) .cse7)) (.cse6 (< .cse7 (+ 2 .cse8)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 1) (<= |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int| 1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_ULTIMATE.start_main_~s~0#1Int| 4)))))) [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L861 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: true [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 21:04:24,052 INFO L861 garLoopResultBuilder]: At program point L48(lines 20 49) the Hoare annotation is: true [2022-01-10 21:04:24,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 21:04:24,053 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 21:04:24,055 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-01-10 21:04:24,056 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 21:04:24,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:04:24 BasicIcfg [2022-01-10 21:04:24,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 21:04:24,169 INFO L158 Benchmark]: Toolchain (without parser) took 64570.14ms. Allocated memory was 227.5MB in the beginning and 350.2MB in the end (delta: 122.7MB). Free memory was 171.9MB in the beginning and 141.6MB in the end (delta: 30.3MB). Peak memory consumption was 155.4MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,169 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 227.5MB. Free memory was 188.6MB in the beginning and 188.4MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 21:04:24,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.71ms. Allocated memory is still 227.5MB. Free memory was 171.8MB in the beginning and 198.2MB in the end (delta: -26.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.42ms. Allocated memory is still 227.5MB. Free memory was 198.2MB in the beginning and 196.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,170 INFO L158 Benchmark]: Boogie Preprocessor took 26.92ms. Allocated memory is still 227.5MB. Free memory was 196.7MB in the beginning and 195.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,170 INFO L158 Benchmark]: RCFGBuilder took 514.27ms. Allocated memory is still 227.5MB. Free memory was 195.6MB in the beginning and 185.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,170 INFO L158 Benchmark]: IcfgTransformer took 67.86ms. Allocated memory is still 227.5MB. Free memory was 185.1MB in the beginning and 180.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,170 INFO L158 Benchmark]: TraceAbstraction took 63678.81ms. Allocated memory was 227.5MB in the beginning and 350.2MB in the end (delta: 122.7MB). Free memory was 179.9MB in the beginning and 141.6MB in the end (delta: 38.3MB). Peak memory consumption was 162.5MB. Max. memory is 8.0GB. [2022-01-10 21:04:24,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 227.5MB. Free memory was 188.6MB in the beginning and 188.4MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.71ms. Allocated memory is still 227.5MB. Free memory was 171.8MB in the beginning and 198.2MB in the end (delta: -26.4MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.42ms. Allocated memory is still 227.5MB. Free memory was 198.2MB in the beginning and 196.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.92ms. Allocated memory is still 227.5MB. Free memory was 196.7MB in the beginning and 195.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 514.27ms. Allocated memory is still 227.5MB. Free memory was 195.6MB in the beginning and 185.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 67.86ms. Allocated memory is still 227.5MB. Free memory was 185.1MB in the beginning and 180.4MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 63678.81ms. Allocated memory was 227.5MB in the beginning and 350.2MB in the end (delta: 122.7MB). Free memory was 179.9MB in the beginning and 141.6MB in the end (delta: 38.3MB). Peak memory consumption was 162.5MB. 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: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 63.5s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 24.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 24.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 138 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 138 mSolverCounterUnsat, 107 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=3, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 22 NumberOfFragments, 1004 HoareAnnotationTreeSize, 8 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 742 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 1806 SizeOfPredicates, 18 NumberOfNonLiveVariables, 607 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 25/48 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 6 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && ~bvule32(0bv32, cond)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) || (((((((((~bvule32(1bv32, cond) && a == 0bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && s == 1bv64) && ~bvule32(0bv32, cond)) && ~bvule32(cond, 1bv32)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && !~bvsle64(~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvule32(0bv32, cond)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) || ((((((a == 0bv64 && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && s == 1bv64) && t == 1bv64) && ~bvule32(0bv32, cond)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && ~bvule32(0bv32, cond)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) || (((((((((~bvule32(1bv32, cond) && a == 0bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && s == 1bv64) && ~bvule32(0bv32, cond)) && ~bvule32(cond, 1bv32)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) || ((((~bvule32(1bv32, cond) && a == 0bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && s == 1bv64) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && !~bvsle64(~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvule64(0bv64, a)) || (((((~bvule32(1bv32, cond) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && !~bvsle64(~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && s == 1bv64) && t == 1bv64) && ~bvule64(0bv64, a)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ((((((((~bvule32(1bv32, cond) && s == 4bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && a == 1bv64) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && ~bvule32(0bv32, cond)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) || (((((((((~bvule32(1bv32, cond) && a == 0bv64) && ~bvsle64(~zero_extendFrom66To132(~bvadd32(~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))), 1bv66)), ~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))))) && ~bvule33(~zero_extendFrom32To33(n[30:0] ++ 0bv1), ~bvadd32(2bv33, ~zero_extendFrom32To33(n)))) && ~bvslt132(~bvadd32(~bvadd32(~zero_extendFrom64To132(t), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd32(~bvadd32(~sign_extendFrom8To32(~bvmul64(1361129467683753853835051685653363294208bv130, ~zero_extendFrom1To130(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]))), ~zero_extendFrom65To131(~bvmul64(2bv65, ~zero_extendFrom64To65(a)))), 1bv131)[130:64]), 18446744073709551616bv131))), ~zero_extendFrom65To132(~bvmul64(~zero_extendFrom1To65(~bvmul64(2bv65, ~zero_extendFrom64To65(a))[64:64]), 18446744073709551616bv65))), ~zero_extendFrom66To132(~bvadd32(2bv66, ~zero_extendFrom65To66(~bvmul64(2bv65, ~zero_extendFrom64To65(a))))))) && s == 1bv64) && ~bvule32(0bv32, cond)) && ~bvule32(cond, 1bv32)) && ~bvule32(n, n[30:0] ++ 0bv1)) && ~bvule32(cond, 1bv32)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 21:04:24,282 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...