/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_LAZY.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 14:56:22,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 14:56:22,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 14:56:22,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 14:56:22,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 14:56:22,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 14:56:22,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 14:56:22,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 14:56:22,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 14:56:22,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 14:56:22,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 14:56:22,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 14:56:22,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 14:56:22,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 14:56:22,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 14:56:22,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 14:56:22,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 14:56:22,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 14:56:22,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 14:56:22,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 14:56:22,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 14:56:22,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 14:56:22,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 14:56:22,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 14:56:22,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 14:56:22,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 14:56:22,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 14:56:22,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 14:56:22,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 14:56:22,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 14:56:22,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 14:56:22,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 14:56:22,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 14:56:22,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 14:56:22,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 14:56:22,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 14:56:22,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 14:56:22,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 14:56:22,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 14:56:22,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 14:56:22,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 14:56:22,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 14:56:22,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 14:56:22,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 14:56:22,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 14:56:22,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 14:56:22,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 14:56:22,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 14:56:22,365 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 14:56:22,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 14:56:22,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 14:56:22,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 14:56:22,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 14:56:22,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 14:56:22,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 14:56:22,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 14:56:22,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 14:56:22,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:56:22,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 14:56:22,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 14:56:22,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 14:56:22,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 14:56:22,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 14:56:22,370 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 14:56:22,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 14:56:22,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 14:56:22,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 14:56:22,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 14:56:22,639 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 14:56:22,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound1.c [2022-01-10 14:56:22,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896788f42/d0fbabe82ba24d76b7f23986eae14cb8/FLAG14390abb0 [2022-01-10 14:56:23,098 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 14:56:23,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound1.c [2022-01-10 14:56:23,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896788f42/d0fbabe82ba24d76b7f23986eae14cb8/FLAG14390abb0 [2022-01-10 14:56:23,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/896788f42/d0fbabe82ba24d76b7f23986eae14cb8 [2022-01-10 14:56:23,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 14:56:23,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 14:56:23,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 14:56:23,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 14:56:23,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 14:56:23,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c9f61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23, skipping insertion in model container [2022-01-10 14:56:23,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 14:56:23,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 14:56:23,272 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/geo3-ll_valuebound1.c[525,538] [2022-01-10 14:56:23,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:56:23,302 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 14:56:23,318 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/geo3-ll_valuebound1.c[525,538] [2022-01-10 14:56:23,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:56:23,347 INFO L208 MainTranslator]: Completed translation [2022-01-10 14:56:23,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23 WrapperNode [2022-01-10 14:56:23,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 14:56:23,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 14:56:23,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 14:56:23,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 14:56:23,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,382 INFO L137 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-01-10 14:56:23,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 14:56:23,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 14:56:23,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 14:56:23,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 14:56:23,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 14:56:23,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 14:56:23,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 14:56:23,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 14:56:23,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (1/1) ... [2022-01-10 14:56:23,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:56:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:56:23,456 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 14:56:23,476 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 14:56:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 14:56:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 14:56:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 14:56:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 14:56:23,543 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 14:56:23,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 14:56:24,153 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 14:56:24,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 14:56:24,158 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 14:56:24,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:56:24 BoogieIcfgContainer [2022-01-10 14:56:24,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 14:56:24,160 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 14:56:24,160 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 14:56:24,160 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 14:56:24,162 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:56:24" (1/1) ... [2022-01-10 14:56:24,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:56:24 BasicIcfg [2022-01-10 14:56:24,266 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 14:56:24,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 14:56:24,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 14:56:24,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 14:56:24,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:56:23" (1/4) ... [2022-01-10 14:56:24,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d9e9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:56:24, skipping insertion in model container [2022-01-10 14:56:24,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:56:23" (2/4) ... [2022-01-10 14:56:24,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d9e9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:56:24, skipping insertion in model container [2022-01-10 14:56:24,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:56:24" (3/4) ... [2022-01-10 14:56:24,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d9e9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:56:24, skipping insertion in model container [2022-01-10 14:56:24,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:56:24" (4/4) ... [2022-01-10 14:56:24,277 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound1.cTransformedIcfg [2022-01-10 14:56:24,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 14:56:24,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-10 14:56:24,312 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 14:56:24,318 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 14:56:24,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-10 14:56:24,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 21 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 14:56:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 14:56:24,332 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:56:24,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:56:24,333 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:56:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:56:24,337 INFO L85 PathProgramCache]: Analyzing trace with hash 205535596, now seen corresponding path program 1 times [2022-01-10 14:56:24,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:56:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575238952] [2022-01-10 14:56:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:56:24,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:56:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:56:24,471 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 14:56:24,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:56:24,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575238952] [2022-01-10 14:56:24,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575238952] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:56:24,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:56:24,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 14:56:24,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914395202] [2022-01-10 14:56:24,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:56:24,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 14:56:24,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:56:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 14:56:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 14:56:24,509 INFO L87 Difference]: Start difference. First operand has 22 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 21 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:56:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:56:24,532 INFO L93 Difference]: Finished difference Result 41 states and 54 transitions. [2022-01-10 14:56:24,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 14:56:24,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-01-10 14:56:24,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:56:24,540 INFO L225 Difference]: With dead ends: 41 [2022-01-10 14:56:24,540 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 14:56:24,543 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 14:56:24,547 INFO L933 BasicCegarLoop]: 22 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, 22 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 14:56:24,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 14:56:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 14:56:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-01-10 14:56:24,577 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 14:56:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-01-10 14:56:24,579 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-01-10 14:56:24,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:56:24,580 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-01-10 14:56:24,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:56:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-01-10 14:56:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 14:56:24,583 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:56:24,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:56:24,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 14:56:24,583 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:56:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:56:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash -713491665, now seen corresponding path program 1 times [2022-01-10 14:56:24,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:56:24,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529405692] [2022-01-10 14:56:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:56:24,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:56:24,670 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 14:56:24,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1133620954] [2022-01-10 14:56:24,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:56:24,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:56:24,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:56:24,676 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 14:56:24,677 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 14:56:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:56:24,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-10 14:56:24,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 14:56:25,934 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 14:56:25,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 14:56:25,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:56:25,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529405692] [2022-01-10 14:56:25,936 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 14:56:25,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133620954] [2022-01-10 14:56:25,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133620954] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:56:25,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:56:25,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 14:56:25,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836512514] [2022-01-10 14:56:25,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:56:25,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 14:56:25,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:56:25,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 14:56:25,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-10 14:56:25,943 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 14:56:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:56:26,276 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-01-10 14:56:26,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 14:56:26,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 14:56:26,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:56:26,278 INFO L225 Difference]: With dead ends: 28 [2022-01-10 14:56:26,278 INFO L226 Difference]: Without dead ends: 22 [2022-01-10 14:56:26,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-01-10 14:56:26,279 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 27 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 14:56:26,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 29 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 14:56:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-01-10 14:56:26,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-01-10 14:56:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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 14:56:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-01-10 14:56:26,291 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2022-01-10 14:56:26,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:56:26,292 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-01-10 14:56:26,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 14:56:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-01-10 14:56:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 14:56:26,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:56:26,292 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:56:26,300 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 14:56:26,493 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 14:56:26,493 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 14:56:26,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:56:26,494 INFO L85 PathProgramCache]: Analyzing trace with hash 789991527, now seen corresponding path program 1 times [2022-01-10 14:56:26,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:56:26,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540399385] [2022-01-10 14:56:26,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:56:26,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:56:26,526 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 14:56:26,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929924879] [2022-01-10 14:56:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:56:26,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 14:56:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:56:26,528 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 14:56:26,533 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 14:56:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:56:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-10 14:56:26,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 14:56:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 14:56:27,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 14:56:27,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:56:27,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540399385] [2022-01-10 14:56:27,120 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 14:56:27,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929924879] [2022-01-10 14:56:27,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929924879] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:56:27,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:56:27,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 14:56:27,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337660046] [2022-01-10 14:56:27,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:56:27,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 14:56:27,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:56:27,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 14:56:27,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 14:56:27,123 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 14:56:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:56:27,227 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-01-10 14:56:27,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 14:56:27,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-01-10 14:56:27,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:56:27,228 INFO L225 Difference]: With dead ends: 22 [2022-01-10 14:56:27,228 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 14:56:27,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-10 14:56:27,229 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 14:56:27,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 14:56:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 14:56:27,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 14:56:27,230 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 14:56:27,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 14:56:27,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-01-10 14:56:27,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:56:27,231 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 14:56:27,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 14:56:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 14:56:27,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 14:56:27,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-10 14:56:27,237 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-10 14:56:27,245 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 14:56:27,437 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 14:56:27,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 14:56:27,561 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L12-4(line 12) no Hoare annotation was computed. [2022-01-10 14:56:27,562 INFO L858 garLoopResultBuilder]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2022-01-10 14:56:27,563 INFO L854 garLoopResultBuilder]: At program point L36-2(lines 36 45) the Hoare annotation is: (let ((.cse2 (* 2 (mod |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648))) (.cse1 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2)) (.cse0 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 2147483648) 2)) (.cse3 (+ (* 18446744069414584320 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2)) |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (and (<= |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| .cse0) (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 1) (<= .cse1 (+ |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1)) (<= .cse2 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 1)) (<= |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| .cse2) (= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 1) (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1) (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| .cse1) (= .cse3 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (<= .cse0 (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1)) (= |ULTIMATE.start_ULTIMATE.start_main_~az~0#1Int| (mod (* .cse3 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| (* (mod (div |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2) 18446744069414584320))) 18446744073709551616)))) [2022-01-10 14:56:27,563 INFO L858 garLoopResultBuilder]: For program point L36-3(lines 36 45) no Hoare annotation was computed. [2022-01-10 14:56:27,563 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2022-01-10 14:56:27,563 INFO L858 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2022-01-10 14:56:27,563 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2022-01-10 14:56:27,563 INFO L854 garLoopResultBuilder]: At program point L15-2(lines 14 20) the Hoare annotation is: (let ((.cse2 (* 2 (mod |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648))) (.cse1 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2)) (.cse0 (* (mod |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 2147483648) 2)) (.cse3 (+ (* 18446744069414584320 (mod (div |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 2147483648) 2)) |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int|))) (and (<= |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| .cse0) (= |ULTIMATE.start_ULTIMATE.start_main_~c~0#1Int| 1) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (<= .cse1 (+ |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| 1)) (<= .cse2 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 1)) (<= |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| .cse2) (= |ULTIMATE.start_ULTIMATE.start_main_~y~0#1Int| 1) (<= |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int| 1) (<= 0 |ULTIMATE.start_ULTIMATE.start_assume_abort_if_not_~cond#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~a~0#1Int| .cse1) (= .cse3 |ULTIMATE.start_ULTIMATE.start_main_~x~0#1Int|) (<= .cse0 (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1)) (= |ULTIMATE.start_ULTIMATE.start_main_~az~0#1Int| (mod (* .cse3 (+ |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| (* (mod (div |ULTIMATE.start_ULTIMATE.start_main_~z~0#1Int| 2147483648) 2) 18446744069414584320))) 18446744073709551616)))) [2022-01-10 14:56:27,564 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2022-01-10 14:56:27,564 INFO L861 garLoopResultBuilder]: At program point L15-5(lines 14 20) the Hoare annotation is: true [2022-01-10 14:56:27,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-01-10 14:56:27,564 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2022-01-10 14:56:27,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2022-01-10 14:56:27,564 INFO L861 garLoopResultBuilder]: At program point L47(lines 21 48) the Hoare annotation is: true [2022-01-10 14:56:27,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 14:56:27,565 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 14:56:27,567 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 14:56:27,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 14:56:27,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:56:27 BasicIcfg [2022-01-10 14:56:27,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 14:56:27,594 INFO L158 Benchmark]: Toolchain (without parser) took 4470.16ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 120.7MB in the beginning and 158.7MB in the end (delta: -38.0MB). Peak memory consumption was 3.2MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,595 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 14:56:27,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.82ms. Allocated memory is still 172.0MB. Free memory was 120.4MB in the beginning and 147.6MB in the end (delta: -27.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.72ms. Allocated memory is still 172.0MB. Free memory was 147.6MB in the beginning and 146.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,595 INFO L158 Benchmark]: Boogie Preprocessor took 16.74ms. Allocated memory is still 172.0MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,596 INFO L158 Benchmark]: RCFGBuilder took 758.29ms. Allocated memory is still 172.0MB. Free memory was 144.9MB in the beginning and 135.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,596 INFO L158 Benchmark]: IcfgTransformer took 106.65ms. Allocated memory is still 172.0MB. Free memory was 135.0MB in the beginning and 127.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,596 INFO L158 Benchmark]: TraceAbstraction took 3322.83ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 127.1MB in the beginning and 158.7MB in the end (delta: -31.6MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-01-10 14:56:27,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.82ms. Allocated memory is still 172.0MB. Free memory was 120.4MB in the beginning and 147.6MB in the end (delta: -27.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.72ms. Allocated memory is still 172.0MB. Free memory was 147.6MB in the beginning and 146.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.74ms. Allocated memory is still 172.0MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 758.29ms. Allocated memory is still 172.0MB. Free memory was 144.9MB in the beginning and 135.0MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * IcfgTransformer took 106.65ms. Allocated memory is still 172.0MB. Free memory was 135.0MB in the beginning and 127.7MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 3322.83ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 127.1MB in the beginning and 158.7MB in the end (delta: -31.6MB). Peak memory consumption was 9.3MB. 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 42 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 8 NumberOfFragments, 195 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 SizeOfPredicates, 16 NumberOfNonLiveVariables, 301 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(z, ~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)) && ~bvule32(1bv32, cond)) && ~bvule32(a, a[30:0] ++ 0bv1)) && ~bvule32(k, k[30:0] ++ 0bv1)) && ~bvule33(~zero_extendFrom32To33(a[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(a), 1bv33))) && ~bvule33(~zero_extendFrom32To33(k[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(k), 1bv33))) && ~bvule32(0bv32, cond)) && y == 1bv64) && c == 1bv64) && ~bvmul64(~zero_extendFrom129To258(~bvadd32(~zero_extendFrom32To129(z), ~zero_extendFrom128To129(~bvmul64(18446744069414584320bv128, ~zero_extendFrom1To128(z[31:31][0:0]))))), ~zero_extendFrom129To258(~bvadd32(~zero_extendFrom128To129(~bvmul64(~zero_extendFrom1To128(a[31:31][0:0]), 18446744069414584320bv128)), ~zero_extendFrom32To129(a))))[63:0] == az) && ~bvadd32(~zero_extendFrom128To129(~bvmul64(~zero_extendFrom1To128(a[31:31][0:0]), 18446744069414584320bv128)), ~zero_extendFrom32To129(a)) == ~zero_extendFrom64To129(x)) && ~bvule32(cond, 1bv32)) && ~bvule33(~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)), ~bvadd32(~zero_extendFrom32To33(z), 1bv33)) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((~bvule32(z, ~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)) && ~bvule32(a, a[30:0] ++ 0bv1)) && ~bvule32(k, k[30:0] ++ 0bv1)) && ~bvule33(~zero_extendFrom32To33(a[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(a), 1bv33))) && ~bvule33(~zero_extendFrom32To33(k[30:0] ++ 0bv1), ~bvadd32(~zero_extendFrom32To33(k), 1bv33))) && ~bvule32(0bv32, cond)) && y == 1bv64) && c == 1bv64) && ~bvmul64(~zero_extendFrom129To258(~bvadd32(~zero_extendFrom32To129(z), ~zero_extendFrom128To129(~bvmul64(18446744069414584320bv128, ~zero_extendFrom1To128(z[31:31][0:0]))))), ~zero_extendFrom129To258(~bvadd32(~zero_extendFrom128To129(~bvmul64(~zero_extendFrom1To128(a[31:31][0:0]), 18446744069414584320bv128)), ~zero_extendFrom32To129(a))))[63:0] == az) && ~bvadd32(~zero_extendFrom128To129(~bvmul64(~zero_extendFrom1To128(a[31:31][0:0]), 18446744069414584320bv128)), ~zero_extendFrom32To129(a)) == ~zero_extendFrom64To129(x)) && ~bvule32(cond, 1bv32)) && ~bvule33(~zero_extendFrom32To33(~bvmul64(~zero_extendFrom31To32(z[30:0]), 2bv32)), ~bvadd32(~zero_extendFrom32To33(z), 1bv33)) RESULT: Ultimate proved your program to be correct! [2022-01-10 14:56:27,628 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...