/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 02:42:48,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 02:42:48,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 02:42:48,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 02:42:48,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 02:42:48,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 02:42:48,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 02:42:48,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 02:42:48,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 02:42:48,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 02:42:48,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 02:42:48,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 02:42:48,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 02:42:48,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 02:42:48,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 02:42:48,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 02:42:48,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 02:42:48,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 02:42:48,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 02:42:48,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 02:42:48,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 02:42:48,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 02:42:48,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 02:42:48,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 02:42:48,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 02:42:48,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 02:42:48,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 02:42:48,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 02:42:48,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 02:42:48,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 02:42:48,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 02:42:48,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 02:42:48,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 02:42:48,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 02:42:48,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 02:42:48,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 02:42:48,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 02:42:48,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 02:42:48,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 02:42:48,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 02:42:48,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 02:42:48,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 02:42:48,996 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 02:42:48,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 02:42:48,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 02:42:48,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 02:42:48,999 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 02:42:48,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 02:42:48,999 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 02:42:49,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 02:42:49,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 02:42:49,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 02:42:49,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 02:42:49,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 02:42:49,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 02:42:49,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 02:42:49,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 02:42:49,002 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 02:42:49,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 02:42:49,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 02:42:49,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 02:42:49,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 02:42:49,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 02:42:49,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 02:42:49,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 02:42:49,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 02:42:49,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 02:42:49,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 02:42:49,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 02:42:49,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 02:42:49,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 02:42:49,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0; [2020-08-19 02:42:49,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 02:42:49,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 02:42:49,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 02:42:49,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 02:42:49,345 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 02:42:49,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-08-19 02:42:49,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3e2093d/9521127c3dfc42898b5ee2ada3981e06/FLAG0122c3832 [2020-08-19 02:42:49,912 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 02:42:49,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-08-19 02:42:49,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3e2093d/9521127c3dfc42898b5ee2ada3981e06/FLAG0122c3832 [2020-08-19 02:42:50,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d3e2093d/9521127c3dfc42898b5ee2ada3981e06 [2020-08-19 02:42:50,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 02:42:50,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 02:42:50,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 02:42:50,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 02:42:50,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 02:42:50,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712d0898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50, skipping insertion in model container [2020-08-19 02:42:50,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 02:42:50,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 02:42:50,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:42:50,525 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 02:42:50,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:42:50,562 INFO L208 MainTranslator]: Completed translation [2020-08-19 02:42:50,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50 WrapperNode [2020-08-19 02:42:50,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 02:42:50,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 02:42:50,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 02:42:50,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 02:42:50,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... [2020-08-19 02:42:50,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 02:42:50,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 02:42:50,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 02:42:50,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 02:42:50,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 02:42:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 02:42:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 02:42:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-19 02:42:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-19 02:42:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 02:42:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 02:42:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-08-19 02:42:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-19 02:42:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 02:42:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-19 02:42:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 02:42:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 02:42:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 02:42:51,006 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 02:42:51,006 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 02:42:51,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:42:51 BoogieIcfgContainer [2020-08-19 02:42:51,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 02:42:51,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 02:42:51,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 02:42:51,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 02:42:51,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 02:42:50" (1/3) ... [2020-08-19 02:42:51,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b29ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:42:51, skipping insertion in model container [2020-08-19 02:42:51,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:42:50" (2/3) ... [2020-08-19 02:42:51,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b29ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:42:51, skipping insertion in model container [2020-08-19 02:42:51,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:42:51" (3/3) ... [2020-08-19 02:42:51,019 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-08-19 02:42:51,031 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 02:42:51,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 02:42:51,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 02:42:51,083 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 02:42:51,083 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 02:42:51,083 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 02:42:51,083 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 02:42:51,083 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 02:42:51,084 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 02:42:51,084 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 02:42:51,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 02:42:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-08-19 02:42:51,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-19 02:42:51,124 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:42:51,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:42:51,138 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:42:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:42:51,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1713573888, now seen corresponding path program 1 times [2020-08-19 02:42:51,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:42:51,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800151059] [2020-08-19 02:42:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:42:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-19 02:42:51,321 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-19 02:42:51,322 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-19 02:42:51,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 02:42:51,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 02:42:51 BoogieIcfgContainer [2020-08-19 02:42:51,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 02:42:51,348 INFO L168 Benchmark]: Toolchain (without parser) took 1056.25 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 103.9 MB in the beginning and 150.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-08-19 02:42:51,349 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 02:42:51,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.95 ms. Allocated memory is still 147.8 MB. Free memory was 103.7 MB in the beginning and 93.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-08-19 02:42:51,352 INFO L168 Benchmark]: Boogie Preprocessor took 127.44 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 93.0 MB in the beginning and 181.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-08-19 02:42:51,353 INFO L168 Benchmark]: RCFGBuilder took 319.17 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 163.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-08-19 02:42:51,353 INFO L168 Benchmark]: TraceAbstraction took 333.58 ms. Allocated memory is still 203.9 MB. Free memory was 163.3 MB in the beginning and 150.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-08-19 02:42:51,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.95 ms. Allocated memory is still 147.8 MB. Free memory was 103.7 MB in the beginning and 93.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.44 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 93.0 MB in the beginning and 181.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 319.17 ms. Allocated memory is still 203.9 MB. Free memory was 181.3 MB in the beginning and 163.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 333.58 ms. Allocated memory is still 203.9 MB. Free memory was 163.3 MB in the beginning and 150.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 23, overapproximation of bitwiseAnd at line 11. Possible FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L36] CALL cast(a) [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] EXPR d >= -3.41e38 && d <= 3.41e38 [L23] EXPR \read(d) [L23] EXPR d >= -3.41e38 && d <= 3.41e38 [L23] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 Received shutdown request...