/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 14:16:39,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 14:16:39,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 14:16:39,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 14:16:39,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 14:16:39,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 14:16:39,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 14:16:39,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 14:16:39,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 14:16:40,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 14:16:40,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 14:16:40,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 14:16:40,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 14:16:40,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 14:16:40,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 14:16:40,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 14:16:40,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 14:16:40,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 14:16:40,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 14:16:40,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 14:16:40,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 14:16:40,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 14:16:40,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 14:16:40,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 14:16:40,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 14:16:40,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 14:16:40,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 14:16:40,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 14:16:40,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 14:16:40,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-10 14:16:40,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 14:16:40,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 14:16:40,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 14:16:40,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 14:16:40,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 14:16:40,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 14:16:40,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 14:16:40,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 14:16:40,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 14:16:40,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 14:16:40,067 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 14:16:40,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 14:16:40,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 14:16:40,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 14:16:40,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 14:16:40,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 14:16:40,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 14:16:40,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 14:16:40,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:16:40,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 14:16:40,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 14:16:40,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 14:16:40,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 14:16:40,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 14:16:40,072 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 14:16:40,072 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 14:16:40,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 14:16:40,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 14:16:40,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 14:16:40,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 14:16:40,283 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 14:16:40,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c [2022-01-10 14:16:40,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc7d9005/f0d73f7c6a4a47ed9b6b5368352e0f68/FLAG56368509f [2022-01-10 14:16:40,728 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 14:16:40,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c [2022-01-10 14:16:40,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc7d9005/f0d73f7c6a4a47ed9b6b5368352e0f68/FLAG56368509f [2022-01-10 14:16:41,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc7d9005/f0d73f7c6a4a47ed9b6b5368352e0f68 [2022-01-10 14:16:41,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 14:16:41,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 14:16:41,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 14:16:41,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 14:16:41,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 14:16:41,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdfd1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41, skipping insertion in model container [2022-01-10 14:16:41,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 14:16:41,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 14:16:41,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2022-01-10 14:16:41,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2022-01-10 14:16:41,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:16:41,374 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 14:16:41,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c[1995,2008] [2022-01-10 14:16:41,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/square_8+soft_float_4-2a.c.cil.c[2389,2402] [2022-01-10 14:16:41,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 14:16:41,453 INFO L208 MainTranslator]: Completed translation [2022-01-10 14:16:41,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41 WrapperNode [2022-01-10 14:16:41,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 14:16:41,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 14:16:41,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 14:16:41,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 14:16:41,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,516 INFO L137 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 310 [2022-01-10 14:16:41,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 14:16:41,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 14:16:41,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 14:16:41,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 14:16:41,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 14:16:41,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 14:16:41,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 14:16:41,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 14:16:41,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (1/1) ... [2022-01-10 14:16:41,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 14:16:41,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 14:16:41,604 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 14:16:41,619 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 14:16:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 14:16:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 14:16:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 14:16:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 14:16:41,733 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 14:16:41,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 14:16:42,032 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 14:16:42,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 14:16:42,038 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-10 14:16:42,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:16:42 BoogieIcfgContainer [2022-01-10 14:16:42,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 14:16:42,040 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 14:16:42,040 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 14:16:42,041 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 14:16:42,044 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:16:42" (1/1) ... [2022-01-10 14:16:42,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:16:42 BasicIcfg [2022-01-10 14:16:42,328 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 14:16:42,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 14:16:42,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 14:16:42,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 14:16:42,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:16:41" (1/4) ... [2022-01-10 14:16:42,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712e444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:16:42, skipping insertion in model container [2022-01-10 14:16:42,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:41" (2/4) ... [2022-01-10 14:16:42,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712e444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:16:42, skipping insertion in model container [2022-01-10 14:16:42,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:16:42" (3/4) ... [2022-01-10 14:16:42,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712e444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:16:42, skipping insertion in model container [2022-01-10 14:16:42,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 02:16:42" (4/4) ... [2022-01-10 14:16:42,344 INFO L111 eAbstractionObserver]: Analyzing ICFG square_8+soft_float_4-2a.c.cil.cTransformedIcfg [2022-01-10 14:16:42,350 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 14:16:42,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-10 14:16:42,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 14:16:42,398 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 14:16:42,398 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-10 14:16:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 90 states have internal predecessors, (142), 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 14:16:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 14:16:42,414 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:16:42,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:16:42,415 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 14:16:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:16:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash -958023332, now seen corresponding path program 1 times [2022-01-10 14:16:42,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:16:42,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619383407] [2022-01-10 14:16:42,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:16:42,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:16:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 14:16:42,538 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 14:16:42,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 14:16:42,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619383407] [2022-01-10 14:16:42,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619383407] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 14:16:42,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 14:16:42,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 14:16:42,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120954259] [2022-01-10 14:16:42,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 14:16:42,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 14:16:42,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 14:16:42,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 14:16:42,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 14:16:42,567 INFO L87 Difference]: Start difference. First operand has 91 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 90 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:16:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 14:16:42,588 INFO L93 Difference]: Finished difference Result 170 states and 260 transitions. [2022-01-10 14:16:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 14:16:42,589 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-01-10 14:16:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 14:16:42,596 INFO L225 Difference]: With dead ends: 170 [2022-01-10 14:16:42,596 INFO L226 Difference]: Without dead ends: 84 [2022-01-10 14:16:42,599 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 14:16:42,602 INFO L933 BasicCegarLoop]: 121 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, 121 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 14:16:42,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 14:16:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-01-10 14:16:42,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-01-10 14:16:42,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 83 states have internal predecessors, (113), 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 14:16:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2022-01-10 14:16:42,634 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 7 [2022-01-10 14:16:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 14:16:42,635 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2022-01-10 14:16:42,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 14:16:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2022-01-10 14:16:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-01-10 14:16:42,635 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 14:16:42,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-01-10 14:16:42,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 14:16:42,636 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 14:16:42,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 14:16:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash -957993541, now seen corresponding path program 1 times [2022-01-10 14:16:42,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 14:16:42,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102603069] [2022-01-10 14:16:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 14:16:42,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 14:16:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 14:16:42,652 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 14:16:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 14:16:42,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 14:16:42,692 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 14:16:42,693 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-01-10 14:16:42,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-01-10 14:16:42,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-01-10 14:16:42,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-01-10 14:16:42,696 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-01-10 14:16:42,699 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-01-10 14:16:42,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 14:16:42,702 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-10 14:16:42,704 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 14:16:42,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:16:42 BasicIcfg [2022-01-10 14:16:42,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 14:16:42,727 INFO L158 Benchmark]: Toolchain (without parser) took 1622.92ms. Allocated memory was 169.9MB in the beginning and 227.5MB in the end (delta: 57.7MB). Free memory was 111.4MB in the beginning and 115.1MB in the end (delta: -3.8MB). Peak memory consumption was 53.9MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,729 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 14:16:42,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.50ms. Allocated memory was 169.9MB in the beginning and 227.5MB in the end (delta: 57.7MB). Free memory was 111.1MB in the beginning and 197.4MB in the end (delta: -86.3MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.96ms. Allocated memory is still 227.5MB. Free memory was 197.4MB in the beginning and 195.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,732 INFO L158 Benchmark]: Boogie Preprocessor took 46.07ms. Allocated memory is still 227.5MB. Free memory was 195.3MB in the beginning and 193.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,732 INFO L158 Benchmark]: RCFGBuilder took 476.17ms. Allocated memory is still 227.5MB. Free memory was 193.2MB in the beginning and 174.9MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,733 INFO L158 Benchmark]: IcfgTransformer took 288.35ms. Allocated memory is still 227.5MB. Free memory was 174.9MB in the beginning and 142.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,734 INFO L158 Benchmark]: TraceAbstraction took 395.15ms. Allocated memory is still 227.5MB. Free memory was 141.9MB in the beginning and 115.1MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 14:16:42,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 346.50ms. Allocated memory was 169.9MB in the beginning and 227.5MB in the end (delta: 57.7MB). Free memory was 111.1MB in the beginning and 197.4MB in the end (delta: -86.3MB). Peak memory consumption was 13.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.96ms. Allocated memory is still 227.5MB. Free memory was 197.4MB in the beginning and 195.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.07ms. Allocated memory is still 227.5MB. Free memory was 195.3MB in the beginning and 193.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 476.17ms. Allocated memory is still 227.5MB. Free memory was 193.2MB in the beginning and 174.9MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * IcfgTransformer took 288.35ms. Allocated memory is still 227.5MB. Free memory was 174.9MB in the beginning and 142.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 395.15ms. Allocated memory is still 227.5MB. Free memory was 141.9MB in the beginning and 115.1MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. 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 - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of fp.geq at line 47, overapproximation of fp.lt at line 47, overapproximation of fp.sub at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.5f) [L48] reach_error() - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 91 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 121 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 [2022-01-10 14:16:42,782 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...