/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 -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 0.1.25-3af5e1f [2020-09-04 12:56:31,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 12:56:31,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 12:56:31,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 12:56:31,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 12:56:31,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 12:56:31,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 12:56:31,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 12:56:31,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 12:56:31,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 12:56:31,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 12:56:31,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 12:56:31,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 12:56:31,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 12:56:31,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 12:56:31,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 12:56:31,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 12:56:31,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 12:56:31,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 12:56:31,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 12:56:31,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 12:56:31,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 12:56:31,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 12:56:31,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 12:56:31,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 12:56:31,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 12:56:31,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 12:56:31,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 12:56:31,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 12:56:31,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 12:56:31,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 12:56:31,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 12:56:31,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 12:56:31,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 12:56:31,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 12:56:31,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 12:56:31,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 12:56:31,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 12:56:31,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 12:56:31,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 12:56:31,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 12:56:31,578 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 [2020-09-04 12:56:31,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 12:56:31,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 12:56:31,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 12:56:31,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 12:56:31,617 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 12:56:31,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 12:56:31,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 12:56:31,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 12:56:31,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 12:56:31,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 12:56:31,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 12:56:31,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 12:56:31,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 12:56:31,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 12:56:31,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 12:56:31,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 12:56:31,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 12:56:31,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 12:56:31,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 12:56:31,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 12:56:31,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 12:56:31,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 12:56:31,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 12:56:31,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 12:56:31,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 12:56:31,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 12:56:31,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 12:56:31,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 12:56:31,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 12:56:31,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 12:56:32,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 12:56:32,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 12:56:32,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 12:56:32,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 12:56:32,068 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 12:56:32,069 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-09-04 12:56:32,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d7b010e/d672624c2c9b4b4a8ed9b89949467175/FLAG5d0d50297 [2020-09-04 12:56:32,665 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 12:56:32,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-09-04 12:56:32,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d7b010e/d672624c2c9b4b4a8ed9b89949467175/FLAG5d0d50297 [2020-09-04 12:56:33,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d7b010e/d672624c2c9b4b4a8ed9b89949467175 [2020-09-04 12:56:33,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 12:56:33,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 12:56:33,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 12:56:33,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 12:56:33,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 12:56:33,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b03ff29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33, skipping insertion in model container [2020-09-04 12:56:33,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 12:56:33,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 12:56:33,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:56:33,320 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 12:56:33,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 12:56:33,362 INFO L208 MainTranslator]: Completed translation [2020-09-04 12:56:33,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33 WrapperNode [2020-09-04 12:56:33,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 12:56:33,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 12:56:33,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 12:56:33,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 12:56:33,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (1/1) ... [2020-09-04 12:56:33,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 12:56:33,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 12:56:33,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 12:56:33,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 12:56:33,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (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 [2020-09-04 12:56:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 12:56:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 12:56:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 12:56:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-09-04 12:56:33,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 12:56:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 12:56:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 12:56:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 12:56:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 12:56:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 12:56:33,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 12:56:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 12:56:33,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 12:56:33,839 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 12:56:33,840 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 12:56:33,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:56:33 BoogieIcfgContainer [2020-09-04 12:56:33,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 12:56:33,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 12:56:33,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 12:56:33,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 12:56:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 12:56:33" (1/3) ... [2020-09-04 12:56:33,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf9ffe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:56:33, skipping insertion in model container [2020-09-04 12:56:33,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 12:56:33" (2/3) ... [2020-09-04 12:56:33,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf9ffe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 12:56:33, skipping insertion in model container [2020-09-04 12:56:33,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 12:56:33" (3/3) ... [2020-09-04 12:56:33,855 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-09-04 12:56:33,868 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 12:56:33,879 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 12:56:33,904 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 12:56:33,936 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 12:56:33,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 12:56:33,937 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 12:56:33,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 12:56:33,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 12:56:33,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 12:56:33,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 12:56:33,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 12:56:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-09-04 12:56:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-04 12:56:33,971 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 12:56:33,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 12:56:33,973 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 12:56:33,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 12:56:33,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1713573888, now seen corresponding path program 1 times [2020-09-04 12:56:33,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 12:56:33,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538065175] [2020-09-04 12:56:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 12:56:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:56:34,147 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:56:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 12:56:34,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 12:56:34,224 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-04 12:56:34,225 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 12:56:34,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 12:56:34,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 12:56:34 BoogieIcfgContainer [2020-09-04 12:56:34,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 12:56:34,278 INFO L168 Benchmark]: Toolchain (without parser) took 1240.20 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 145.4 MB in the end (delta: -44.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2020-09-04 12:56:34,279 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 12:56:34,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.28 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 90.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-09-04 12:56:34,283 INFO L168 Benchmark]: Boogie Preprocessor took 114.13 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 90.6 MB in the beginning and 179.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-04 12:56:34,284 INFO L168 Benchmark]: RCFGBuilder took 368.28 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 161.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2020-09-04 12:56:34,285 INFO L168 Benchmark]: TraceAbstraction took 425.10 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 145.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2020-09-04 12:56:34,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 327.28 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 90.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.13 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 90.6 MB in the beginning and 179.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.28 ms. Allocated memory is still 201.3 MB. Free memory was 179.3 MB in the beginning and 161.2 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 425.10 ms. Allocated memory is still 201.3 MB. Free memory was 161.2 MB in the beginning and 145.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 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) VAL [\old(d)=3758096387] [L8] double dmax; [L9] float f; [L11] EXPR \read(d) VAL [\old(d)=3758096387, \read(d)=3758096386, d={3:0}, dmax={5:0}, f={2:0}] [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) VAL [\old(d)=3758096387, \read(d)=3758096387, \read(dmax)=3758096388, d={3:0}, dmax={5:0}, f={2:0}] [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) VAL [\old(d)=3758096387, \read(d)=3758096387, \read(dmax)=3758096388, d={3:0}, dmax={5:0}, f={2:0}] [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 VAL [\old(d)=3758096387, \read(d)=3758096387, \read(d)=3758096387, d={3:0}, dmax={5:0}, f={2:0}] [L23] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) VAL [\old(cond)=0] [L3] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L3] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - 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...