/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_BITWISE.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:18:47,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:18:47,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:18:47,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 09:18:47,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 09:18:47,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 09:18:47,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 09:18:47,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 09:18:47,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 09:18:47,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 09:18:47,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 09:18:47,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 09:18:47,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:18:47,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:18:47,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:18:47,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:18:47,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:18:47,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:18:47,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:18:47,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:18:47,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:18:47,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:18:47,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:18:47,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:18:47,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 09:18:47,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 09:18:47,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 09:18:47,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 09:18:47,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 09:18:47,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 09:18:47,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 09:18:47,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 09:18:47,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 09:18:47,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 09:18:47,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 09:18:47,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 09:18:47,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 09:18:47,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 09:18:47,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:18:47,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:18:47,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:18:47,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 09:18:47,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:18:47,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:18:47,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:18:47,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:18:47,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:18:47,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:18:47,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:18:47,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:18:47,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:18:47,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:18:47,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:18:47,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:18:47,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:18:47,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:18:47,790 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:18:47,790 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:18:47,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:18:47,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:18:48,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:18:48,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:18:48,001 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:18:48,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c [2022-01-10 09:18:48,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74bc6ecc/9c334a10e2ab4ca59740df47c2480f74/FLAGb06e7e2ea [2022-01-10 09:18:48,402 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:18:48,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps2-ll_valuebound100.c [2022-01-10 09:18:48,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74bc6ecc/9c334a10e2ab4ca59740df47c2480f74/FLAGb06e7e2ea [2022-01-10 09:18:48,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74bc6ecc/9c334a10e2ab4ca59740df47c2480f74 [2022-01-10 09:18:48,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:18:48,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:18:48,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:18:48,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:18:48,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:18:48,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d399e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48, skipping insertion in model container [2022-01-10 09:18:48,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:18:48,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:18:48,552 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/ps2-ll_valuebound100.c[454,467] [2022-01-10 09:18:48,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:18:48,579 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:18:48,590 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/ps2-ll_valuebound100.c[454,467] [2022-01-10 09:18:48,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:18:48,608 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:18:48,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48 WrapperNode [2022-01-10 09:18:48,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:18:48,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:18:48,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:18:48,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:18:48,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,637 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2022-01-10 09:18:48,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:18:48,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:18:48,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:18:48,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:18:48,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:18:48,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:18:48,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:18:48,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:18:48,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:18:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:18:48,686 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 09:18:48,692 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 09:18:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:18:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:18:48,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:18:48,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:18:48,752 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:18:48,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:18:48,913 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:18:48,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:18:48,917 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 09:18:48,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:18:48 BoogieIcfgContainer [2022-01-10 09:18:48,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:18:48,918 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:18:48,918 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:18:48,928 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:18:48,930 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:18:48" (1/1) ... [2022-01-10 09:18:48,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:18:48 BasicIcfg [2022-01-10 09:18:48,996 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:18:48,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:18:48,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:18:49,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:18:49,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:18:48" (1/4) ... [2022-01-10 09:18:49,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12664950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:18:49, skipping insertion in model container [2022-01-10 09:18:49,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:18:48" (2/4) ... [2022-01-10 09:18:49,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12664950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:18:49, skipping insertion in model container [2022-01-10 09:18:49,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:18:48" (3/4) ... [2022-01-10 09:18:49,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12664950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:18:49, skipping insertion in model container [2022-01-10 09:18:49,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:18:48" (4/4) ... [2022-01-10 09:18:49,019 INFO L111 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound100.cTransformedIcfg [2022-01-10 09:18:49,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:18:49,022 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 09:18:49,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:18:49,086 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 09:18:49,086 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 09:18:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 17 states have internal predecessors, (23), 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 09:18:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 09:18:49,101 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:18:49,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:18:49,103 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:18:49,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:18:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1160576580, now seen corresponding path program 1 times [2022-01-10 09:18:49,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:18:49,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503179448] [2022-01-10 09:18:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:18:49,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:18:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:18:49,206 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 09:18:49,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:18:49,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503179448] [2022-01-10 09:18:49,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503179448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:18:49,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:18:49,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:18:49,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381886482] [2022-01-10 09:18:49,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:18:49,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:18:49,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:18:49,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:18:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:18:49,231 INFO L87 Difference]: Start difference. First operand has 18 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 17 states have internal predecessors, (23), 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 09:18:49,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:18:49,240 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2022-01-10 09:18:49,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:18:49,242 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 09:18:49,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:18:49,246 INFO L225 Difference]: With dead ends: 33 [2022-01-10 09:18:49,246 INFO L226 Difference]: Without dead ends: 14 [2022-01-10 09:18:49,248 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 09:18:49,251 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:18:49,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:18:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-01-10 09:18:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-01-10 09:18:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:18:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-01-10 09:18:49,279 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2022-01-10 09:18:49,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:18:49,280 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-01-10 09:18:49,280 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 09:18:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-01-10 09:18:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 09:18:49,280 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:18:49,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:18:49,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:18:49,283 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:18:49,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:18:49,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1159653059, now seen corresponding path program 1 times [2022-01-10 09:18:49,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:18:49,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818423326] [2022-01-10 09:18:49,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:18:49,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:18:49,304 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:18:49,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360432536] [2022-01-10 09:18:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:18:49,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:18:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:18:49,307 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 09:18:49,308 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 09:18:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:18:49,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-10 09:18:49,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:18:49,441 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 09:18:49,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 09:18:49,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:18:49,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818423326] [2022-01-10 09:18:49,442 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:18:49,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360432536] [2022-01-10 09:18:49,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360432536] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:18:49,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:18:49,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 09:18:49,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92675168] [2022-01-10 09:18:49,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:18:49,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 09:18:49,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:18:49,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 09:18:49,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 09:18:49,447 INFO L87 Difference]: Start difference. First operand 14 states and 14 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 09:18:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:18:49,513 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-01-10 09:18:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 09:18:49,514 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 09:18:49,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:18:49,514 INFO L225 Difference]: With dead ends: 24 [2022-01-10 09:18:49,514 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 09:18:49,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 09:18:49,516 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 09:18:49,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 09:18:49,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 09:18:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 09:18:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.125) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 09:18:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-01-10 09:18:49,519 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 7 [2022-01-10 09:18:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:18:49,519 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-01-10 09:18:49,519 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 09:18:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-01-10 09:18:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 09:18:49,520 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:18:49,520 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:18:49,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 09:18:49,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:18:49,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:18:49,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:18:49,738 INFO L85 PathProgramCache]: Analyzing trace with hash -939830667, now seen corresponding path program 1 times [2022-01-10 09:18:49,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:18:49,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492077991] [2022-01-10 09:18:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:18:49,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:18:49,752 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:18:49,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [407671992] [2022-01-10 09:18:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:18:49,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:18:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:18:49,753 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 09:18:49,754 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 09:18:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:18:49,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2022-01-10 09:18:49,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:18:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:18:49,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 09:18:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 09:18:49,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:18:49,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492077991] [2022-01-10 09:18:49,959 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:18:49,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407671992] [2022-01-10 09:18:49,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407671992] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 09:18:49,959 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 09:18:49,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 6 [2022-01-10 09:18:49,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101440229] [2022-01-10 09:18:49,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 09:18:49,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 09:18:49,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:18:49,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 09:18:49,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 09:18:49,961 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 09:18:50,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:18:50,259 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-01-10 09:18:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 09:18:50,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 09:18:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:18:50,260 INFO L225 Difference]: With dead ends: 24 [2022-01-10 09:18:50,260 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 09:18:50,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 09:18:50,261 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 09:18:50,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 09:18:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 09:18:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 09:18:50,262 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 09:18:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 09:18:50,263 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-01-10 09:18:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:18:50,263 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 09:18:50,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 09:18:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 09:18:50,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 09:18:50,265 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-10 09:18:50,265 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-10 09:18:50,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-10 09:18:50,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-10 09:18:50,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 09:18:59,427 WARN L228 SmtUtils]: Spent 8.92s on a formula simplification. DAG size of input: 27 DAG size of output: 23 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-01-10 09:18:59,429 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 36) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= 0 (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* 18446744073709551615 (mod (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616))) (and (= |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 0))) [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2022-01-10 09:18:59,430 INFO L858 garLoopResultBuilder]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L854 garLoopResultBuilder]: At program point L10-2(lines 9 15) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= 0 (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| (mod (* 18446744073709551615 (mod (* 2 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) 18446744073709551616)) 18446744073709551616) (mod (* |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int|) 18446744073709551616)) 18446744073709551616))) [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point L11-1(lines 11 12) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L861 garLoopResultBuilder]: At program point L10-5(lines 9 15) the Hoare annotation is: true [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2022-01-10 09:18:59,431 INFO L861 garLoopResultBuilder]: At program point L39(lines 17 40) the Hoare annotation is: true [2022-01-10 09:18:59,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 09:18:59,432 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 09:18:59,434 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 09:18:59,440 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 09:18:59,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:18:59 BasicIcfg [2022-01-10 09:18:59,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 09:18:59,466 INFO L158 Benchmark]: Toolchain (without parser) took 11049.32ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 79.0MB in the end (delta: 51.5MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,466 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 09:18:59,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.72ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 157.7MB in the end (delta: -27.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.69ms. Allocated memory is still 180.4MB. Free memory was 157.2MB in the beginning and 156.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,467 INFO L158 Benchmark]: Boogie Preprocessor took 22.89ms. Allocated memory is still 180.4MB. Free memory was 156.1MB in the beginning and 154.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,467 INFO L158 Benchmark]: RCFGBuilder took 256.78ms. Allocated memory is still 180.4MB. Free memory was 154.5MB in the beginning and 145.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,467 INFO L158 Benchmark]: IcfgTransformer took 78.04ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 141.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,468 INFO L158 Benchmark]: TraceAbstraction took 10468.05ms. Allocated memory is still 180.4MB. Free memory was 140.9MB in the beginning and 79.0MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. [2022-01-10 09:18:59,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.72ms. Allocated memory is still 180.4MB. Free memory was 130.2MB in the beginning and 157.7MB in the end (delta: -27.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.69ms. Allocated memory is still 180.4MB. Free memory was 157.2MB in the beginning and 156.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.89ms. Allocated memory is still 180.4MB. Free memory was 156.1MB in the beginning and 154.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 256.78ms. Allocated memory is still 180.4MB. Free memory was 154.5MB in the beginning and 145.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 78.04ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 141.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 10468.05ms. Allocated memory is still 180.4MB. Free memory was 140.9MB in the beginning and 79.0MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 36 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 12 NumberOfFragments, 58 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 35 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 6 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) && 0bv64 == ~bvadd32(~bvadd32(~zero_extendFrom64To65(y), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(2bv65, ~zero_extendFrom64To65(x))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(y))[63:0]))[63:0] - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (~bvule32(1bv32, cond) && 0bv64 == ~bvadd32(~bvadd32(~zero_extendFrom64To65(y), ~zero_extendFrom64To65(~bvmul64(18446744073709551615bv128, ~zero_extendFrom64To128(~bvmul64(2bv65, ~zero_extendFrom64To65(x))[63:0]))[63:0])), ~zero_extendFrom64To65(~bvmul64(~zero_extendFrom64To128(y), ~zero_extendFrom64To128(y))[63:0]))[63:0]) || (0bv64 == x && 0bv64 == y) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 09:18:59,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...