/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/addsub_double_exact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:21,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:21,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:21,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:21,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:21,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:21,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:21,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:21,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:21,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:21,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:21,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:21,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:21,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:21,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:21,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:21,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:21,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:21,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:21,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:21,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:21,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:21,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:21,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:21,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:13:21,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:13:21,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:13:21,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:13:21,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:13:21,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:13:21,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:13:21,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:13:21,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:13:21,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:13:21,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:13:21,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:13:21,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:13:21,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:13:21,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:21,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:21,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:21,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:13:21,432 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:21,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:21,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:21,434 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:21,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:21,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:21,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:21,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:21,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:21,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:21,436 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:21,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:21,436 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:21,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:21,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:21,437 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:21,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:21,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:21,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:21,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:21,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:21,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:21,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:21,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:21,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:21,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:21,726 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:21,727 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:21,728 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_double_exact.c [2020-07-17 13:13:21,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e43d46a/f499709ead82440aa552ec91bd2424f7/FLAG9280d6894 [2020-07-17 13:13:22,296 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:22,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_double_exact.c [2020-07-17 13:13:22,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e43d46a/f499709ead82440aa552ec91bd2424f7/FLAG9280d6894 [2020-07-17 13:13:22,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e43d46a/f499709ead82440aa552ec91bd2424f7 [2020-07-17 13:13:22,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:22,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:22,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:22,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:22,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:22,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:22,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a546ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22, skipping insertion in model container [2020-07-17 13:13:22,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:22,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:22,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:22,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:22,944 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:22,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:22,973 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:22,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22 WrapperNode [2020-07-17 13:13:22,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:22,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:22,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:22,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:22,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:22,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (1/1) ... [2020-07-17 13:13:23,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:23,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:23,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:23,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:23,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (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 [2020-07-17 13:13:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 13:13:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 13:13:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:23,314 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:23,315 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 13:13:23,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:23 BoogieIcfgContainer [2020-07-17 13:13:23,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:23,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:23,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:23,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:23,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:22" (1/3) ... [2020-07-17 13:13:23,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b82e2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:23, skipping insertion in model container [2020-07-17 13:13:23,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:22" (2/3) ... [2020-07-17 13:13:23,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b82e2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:23, skipping insertion in model container [2020-07-17 13:13:23,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:23" (3/3) ... [2020-07-17 13:13:23,327 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_double_exact.c [2020-07-17 13:13:23,338 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:23,344 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:23,355 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:23,376 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:23,376 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:23,376 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:23,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:23,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:23,377 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:23,377 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:23,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-17 13:13:23,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 13:13:23,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:23,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:13:23,403 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:23,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:23,409 INFO L82 PathProgramCache]: Analyzing trace with hash 501478975, now seen corresponding path program 1 times [2020-07-17 13:13:23,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:23,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165211939] [2020-07-17 13:13:23,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:23,526 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:23,528 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 13:13:23,528 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 13:13:23,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:23,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:23 BoogieIcfgContainer [2020-07-17 13:13:23,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:23,549 INFO L168 Benchmark]: Toolchain (without parser) took 824.57 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 155.9 MB in the end (delta: -54.2 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,550 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.10 ms. Allocated memory is still 143.7 MB. Free memory was 101.3 MB in the beginning and 92.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,552 INFO L168 Benchmark]: Boogie Preprocessor took 118.33 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 180.5 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,553 INFO L168 Benchmark]: RCFGBuilder took 225.03 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 169.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,554 INFO L168 Benchmark]: TraceAbstraction took 226.03 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 155.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:23,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.10 ms. Allocated memory is still 143.7 MB. Free memory was 101.3 MB in the beginning and 92.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.33 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 180.5 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.03 ms. Allocated memory is still 201.3 MB. Free memory was 180.5 MB in the beginning and 169.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 226.03 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 155.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 14, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L8] double x, y, z, r; [L10] x = 1e8 [L11] y = x + 1 [L12] z = x - 1 [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 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=24occurred 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: No data available, 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...