/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:21:51,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:21:51,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:21:51,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:21:51,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:21:51,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:21:51,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:21:51,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:21:51,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:21:51,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:21:51,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:21:51,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:21:51,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:21:51,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:21:51,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:21:51,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:21:51,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:21:51,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:21:51,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:21:51,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:21:51,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:21:51,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:21:51,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:21:51,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:21:51,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:21:51,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:21:51,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:21:51,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:21:51,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:21:51,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:21:51,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:21:51,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:21:51,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:21:51,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:21:51,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:21:51,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:21:51,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:21:51,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:21:51,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:21:51,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:21:51,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:21:51,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:21:51,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:21:51,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:21:51,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:21:51,878 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:21:51,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:21:51,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:21:51,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:21:51,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:21:51,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:21:51,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:21:51,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:21:51,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:21:51,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:21:51,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:21:51,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:21:51,881 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:21:51,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:21:51,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:21:51,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:21:51,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:21:51,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:21:51,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:21:51,885 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:21:52,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:21:52,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:21:52,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:21:52,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:21:52,191 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:21:52,192 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-07-07 15:21:52,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6a864ca/e98e581d4da04eb0bb4c52a4866619b0/FLAG015434f83 [2020-07-07 15:21:52,691 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:21:52,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-07-07 15:21:52,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6a864ca/e98e581d4da04eb0bb4c52a4866619b0/FLAG015434f83 [2020-07-07 15:21:53,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c6a864ca/e98e581d4da04eb0bb4c52a4866619b0 [2020-07-07 15:21:53,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:21:53,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:21:53,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:21:53,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:21:53,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:21:53,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749d60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53, skipping insertion in model container [2020-07-07 15:21:53,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:21:53,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:21:53,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:21:53,251 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:21:53,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:21:53,291 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:21:53,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53 WrapperNode [2020-07-07 15:21:53,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:21:53,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:21:53,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:21:53,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:21:53,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... [2020-07-07 15:21:53,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:21:53,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:21:53,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:21:53,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:21:53,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-07 15:21:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:21:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:21:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 15:21:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-07-07 15:21:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:21:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:21:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:21:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 15:21:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-07-07 15:21:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:21:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 15:21:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 15:21:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-07 15:21:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:21:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:21:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:21:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:21:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-07 15:21:53,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:21:53,721 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:21:53,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:21:53 BoogieIcfgContainer [2020-07-07 15:21:53,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:21:53,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:21:53,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:21:53,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:21:53,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:21:53" (1/3) ... [2020-07-07 15:21:53,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632aceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:21:53, skipping insertion in model container [2020-07-07 15:21:53,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:21:53" (2/3) ... [2020-07-07 15:21:53,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632aceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:21:53, skipping insertion in model container [2020-07-07 15:21:53,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:21:53" (3/3) ... [2020-07-07 15:21:53,736 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-07-07 15:21:53,750 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:21:53,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:21:53,774 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:21:53,803 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:21:53,804 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:21:53,804 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:21:53,804 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:21:53,804 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:21:53,804 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:21:53,805 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:21:53,805 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:21:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-07-07 15:21:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-07 15:21:53,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:21:53,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:21:53,845 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:21:53,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:21:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1594393316, now seen corresponding path program 1 times [2020-07-07 15:21:53,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:21:53,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714399589] [2020-07-07 15:21:53,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:21:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:21:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 15:21:53,991 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 15:21:53,992 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 15:21:54,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 03:21:54 BoogieIcfgContainer [2020-07-07 15:21:54,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 15:21:54,066 INFO L168 Benchmark]: Toolchain (without parser) took 999.68 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 105.6 MB in the beginning and 147.6 MB in the end (delta: -42.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,068 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 147.3 MB. Free memory was 105.4 MB in the beginning and 95.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,070 INFO L168 Benchmark]: Boogie Preprocessor took 122.15 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 95.1 MB in the beginning and 181.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,071 INFO L168 Benchmark]: RCFGBuilder took 311.60 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 164.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,072 INFO L168 Benchmark]: TraceAbstraction took 334.99 ms. Allocated memory is still 204.5 MB. Free memory was 164.1 MB in the beginning and 147.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:21:54,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 124.0 MB in the beginning and 123.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.74 ms. Allocated memory is still 147.3 MB. Free memory was 105.4 MB in the beginning and 95.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.15 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 95.1 MB in the beginning and 181.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.60 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 164.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 334.99 ms. Allocated memory is still 204.5 MB. Free memory was 164.1 MB in the beginning and 147.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of bitwiseXor at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a=0] [L31] CALL, EXPR cast(a) VAL [\old(i)=0] [L16] union u x, y; VAL [\old(i)=0, i=0, x={3:0}, y={2:0}] [L17] x.i[0] = 0x43300000 VAL [\old(i)=0, i=0, x={3:0}, y={2:0}] [L18] EXPR x.i[0] VAL [\old(i)=0, i=0, x={3:0}, x.i[0]=1127219200, y={2:0}] [L18] y.i[0] = x.i[0] VAL [\old(i)=0, i=0, x={3:0}, x.i[0]=1127219200, y={2:0}] [L19] x.i[1] = 0x80000000 VAL [\old(i)=0, i=0, x={3:0}, y={2:0}] [L20] EXPR x.i[1] VAL [\old(i)=0, i=0, x={3:0}, x.i[1]=-2147483648, y={2:0}] [L20] y.i[1] = i ^ x.i[1] VAL [\old(i)=0, i=0, x={3:0}, x.i[1]=-2147483648, y={2:0}] [L21] EXPR y.d VAL [\old(i)=0, i=0, x={3:0}, y={2:0}, y.d=2] [L21] EXPR x.d VAL [\old(i)=0, i=0, x={3:0}, x.d=6, y={2:0}, y.d=2] [L21] return y.d - x.d; VAL [\old(i)=0, i=0, x={3:0}, x.d=6, y={2:0}, y.d=2] [L21] return y.d - x.d; VAL [\old(i)=0, i=0, y={2:0}] [L21] return y.d - x.d; VAL [\old(i)=0, i=0] [L31] RET, EXPR cast(a) VAL [a=0, cast(a)=11] [L31] r = cast(a) VAL [a=0, cast(a)=11, r=11] [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=49occurred 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, 41 NumberOfCodeBlocks, 41 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...