/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/float-benchs/sin_interpolated_index-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 16:45:26,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 16:45:26,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 16:45:26,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 16:45:26,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 16:45:26,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 16:45:26,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 16:45:26,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 16:45:26,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 16:45:26,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 16:45:26,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 16:45:26,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 16:45:26,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 16:45:26,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 16:45:26,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 16:45:26,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 16:45:26,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 16:45:26,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 16:45:26,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 16:45:26,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 16:45:26,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 16:45:26,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 16:45:26,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 16:45:26,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 16:45:26,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 16:45:26,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 16:45:26,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 16:45:26,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 16:45:26,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 16:45:26,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 16:45:26,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 16:45:26,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 16:45:26,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 16:45:26,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 16:45:26,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 16:45:26,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 16:45:26,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 16:45:26,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 16:45:26,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 16:45:26,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 16:45:26,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 16:45:26,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 16:45:26,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 16:45:26,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 16:45:26,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 16:45:26,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 16:45:26,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 16:45:26,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 16:45:26,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 16:45:26,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 16:45:26,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 16:45:26,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 16:45:26,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 16:45:26,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 16:45:26,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 16:45:26,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:45:26,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 16:45:26,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 16:45:26,590 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 16:45:26,590 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 16:45:26,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 16:45:26,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 16:45:26,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 16:45:26,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 16:45:26,801 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 16:45:26,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sin_interpolated_index-1.c [2022-01-31 16:45:26,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4498f5911/e0505605af974ca79facd5de350a888c/FLAG02a4b20ec [2022-01-31 16:45:27,224 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 16:45:27,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_index-1.c [2022-01-31 16:45:27,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4498f5911/e0505605af974ca79facd5de350a888c/FLAG02a4b20ec [2022-01-31 16:45:27,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4498f5911/e0505605af974ca79facd5de350a888c [2022-01-31 16:45:27,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 16:45:27,639 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 16:45:27,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 16:45:27,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 16:45:27,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 16:45:27,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:27,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f20d043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27, skipping insertion in model container [2022-01-31 16:45:27,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:27,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 16:45:27,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 16:45:27,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_index-1.c[722,735] [2022-01-31 16:45:27,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:45:27,879 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 16:45:27,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_index-1.c[722,735] [2022-01-31 16:45:27,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 16:45:27,993 INFO L208 MainTranslator]: Completed translation [2022-01-31 16:45:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27 WrapperNode [2022-01-31 16:45:27,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 16:45:27,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 16:45:27,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 16:45:27,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 16:45:28,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 16:45:28,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 16:45:28,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 16:45:28,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 16:45:28,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (1/1) ... [2022-01-31 16:45:28,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 16:45:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 16:45:28,124 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) [2022-01-31 16:45:28,128 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 [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2022-01-31 16:45:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2022-01-31 16:45:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2022-01-31 16:45:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2022-01-31 16:45:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 16:45:28,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 16:45:28,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 16:45:28,213 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 16:45:28,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 16:45:28,578 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 16:45:28,584 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 16:45:28,584 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-31 16:45:28,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:45:28 BoogieIcfgContainer [2022-01-31 16:45:28,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 16:45:28,591 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 16:45:28,591 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 16:45:28,593 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 16:45:28,595 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:45:28" (1/1) ... [2022-01-31 16:45:28,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:45:28 BasicIcfg [2022-01-31 16:45:28,618 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 16:45:28,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 16:45:28,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 16:45:28,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 16:45:28,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:45:27" (1/4) ... [2022-01-31 16:45:28,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6332aaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:45:28, skipping insertion in model container [2022-01-31 16:45:28,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:45:27" (2/4) ... [2022-01-31 16:45:28,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6332aaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:45:28, skipping insertion in model container [2022-01-31 16:45:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:45:28" (3/4) ... [2022-01-31 16:45:28,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6332aaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:45:28, skipping insertion in model container [2022-01-31 16:45:28,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 04:45:28" (4/4) ... [2022-01-31 16:45:28,625 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.cJordan [2022-01-31 16:45:28,630 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 16:45:28,630 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 16:45:28,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 16:45:28,688 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-01-31 16:45:28,688 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 16:45:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 32 states have internal predecessors, (37), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-01-31 16:45:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-31 16:45:28,715 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:45:28,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:45:28,716 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:45:28,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:45:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash -639303552, now seen corresponding path program 1 times [2022-01-31 16:45:28,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:45:28,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404895109] [2022-01-31 16:45:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:45:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:45:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:45:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 16:45:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:45:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 16:45:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 16:45:29,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 16:45:29,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 16:45:29,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404895109] [2022-01-31 16:45:29,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404895109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 16:45:29,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 16:45:29,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 16:45:29,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249251114] [2022-01-31 16:45:29,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 16:45:29,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 16:45:29,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 16:45:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 16:45:29,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:45:29,074 INFO L87 Difference]: Start difference. First operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 32 states have internal predecessors, (37), 11 states have call successors, (11), 8 states have call predecessors, (11), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:45:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 16:45:29,175 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2022-01-31 16:45:29,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 16:45:29,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-01-31 16:45:29,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 16:45:29,190 INFO L225 Difference]: With dead ends: 52 [2022-01-31 16:45:29,190 INFO L226 Difference]: Without dead ends: 30 [2022-01-31 16:45:29,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 16:45:29,198 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 16:45:29,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 50 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 16:45:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-01-31 16:45:29,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-01-31 16:45:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.1875) internal successors, (19), 19 states have internal predecessors, (19), 11 states have call successors, (11), 8 states have call predecessors, (11), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 16:45:29,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-01-31 16:45:29,230 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 26 [2022-01-31 16:45:29,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 16:45:29,231 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-01-31 16:45:29,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 16:45:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-01-31 16:45:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-31 16:45:29,233 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 16:45:29,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 16:45:29,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 16:45:29,234 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 16:45:29,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 16:45:29,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1636375905, now seen corresponding path program 1 times [2022-01-31 16:45:29,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 16:45:29,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112363970] [2022-01-31 16:45:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 16:45:29,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 16:45:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:45:29,324 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 16:45:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 16:45:29,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 16:45:29,373 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 16:45:29,374 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 16:45:29,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 16:45:29,378 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 16:45:29,381 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 16:45:29,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:45:29 BasicIcfg [2022-01-31 16:45:29,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 16:45:29,419 INFO L158 Benchmark]: Toolchain (without parser) took 1779.18ms. Allocated memory was 189.8MB in the beginning and 288.4MB in the end (delta: 98.6MB). Free memory was 134.1MB in the beginning and 172.0MB in the end (delta: -37.9MB). Peak memory consumption was 61.2MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,421 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 16:45:29,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.68ms. Allocated memory was 189.8MB in the beginning and 288.4MB in the end (delta: 98.6MB). Free memory was 133.9MB in the beginning and 250.7MB in the end (delta: -116.8MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,424 INFO L158 Benchmark]: Boogie Preprocessor took 85.91ms. Allocated memory is still 288.4MB. Free memory was 250.7MB in the beginning and 247.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,426 INFO L158 Benchmark]: RCFGBuilder took 508.87ms. Allocated memory is still 288.4MB. Free memory was 247.0MB in the beginning and 225.5MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,426 INFO L158 Benchmark]: IcfgTransformer took 27.30ms. Allocated memory is still 288.4MB. Free memory was 225.5MB in the beginning and 223.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,427 INFO L158 Benchmark]: TraceAbstraction took 797.52ms. Allocated memory is still 288.4MB. Free memory was 222.9MB in the beginning and 172.0MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2022-01-31 16:45:29,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.68ms. Allocated memory was 189.8MB in the beginning and 288.4MB in the end (delta: 98.6MB). Free memory was 133.9MB in the beginning and 250.7MB in the end (delta: -116.8MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.91ms. Allocated memory is still 288.4MB. Free memory was 250.7MB in the beginning and 247.0MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 508.87ms. Allocated memory is still 288.4MB. Free memory was 247.0MB in the beginning and 225.5MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * IcfgTransformer took 27.30ms. Allocated memory is still 288.4MB. Free memory was 225.5MB in the beginning and 223.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 797.52ms. Allocated memory is still 288.4MB. Free memory was 222.9MB in the beginning and 172.0MB in the end (delta: 50.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 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[\old(cond)=1, cond=1, T={4:0}] [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) VAL [a=2891, T={4:0}] [L157] CALL SIN(a) VAL [\old(x)=2891, T={4:0}] [L146] COND TRUE x<0 VAL [\old(x)=2891, T={4:0}, x=2891] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [\old(x)=2896, T={4:0}, x=2896] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [\old(x)=2894, T={4:0}, x=2894] [L134] CALL SIN_0_180(-x) VAL [T={4:0}] [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i VAL [\old(x)=2892, T={4:0}, x=2892] [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) VAL [\old(cond)=0, T={4:0}] [L18] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, T={4:0}] [L18] reach_error() VAL [\old(cond)=0, cond=0, T={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 47 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-01-31 16:45:29,463 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...