/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_float_inexact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:29:39,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:29:39,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:29:39,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:29:39,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:29:39,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:29:39,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:29:39,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:29:39,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:29:39,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:29:39,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:29:39,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:29:39,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:29:39,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:29:39,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:29:39,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:29:39,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:29:39,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:29:39,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:29:39,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:29:39,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:29:39,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:29:39,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:29:39,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:29:39,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:29:39,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:29:39,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:29:39,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:29:39,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:29:39,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:29:39,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:29:39,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:29:39,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:29:39,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:29:39,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:29:39,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:29:39,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:29:39,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:29:39,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:29:39,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:29:39,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:29:39,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:29:39,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:29:39,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:29:39,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:29:39,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:29:39,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:29:39,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:29:39,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:29:39,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:29:39,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:29:39,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:29:39,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:29:39,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:29:39,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:29:39,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:29:39,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:29:39,192 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:29:39,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:29:39,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:29:39,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:29:39,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:29:39,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:29:39,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:29:39,194 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:29:39,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:29:39,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:29:39,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:29:39,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:29:39,496 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:29:39,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-08-22 18:29:39,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76490b546/d43678eb46af4a20a98ce8d8fbf89bda/FLAG670ce0581 [2020-08-22 18:29:39,944 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:29:39,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-08-22 18:29:39,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76490b546/d43678eb46af4a20a98ce8d8fbf89bda/FLAG670ce0581 [2020-08-22 18:29:40,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76490b546/d43678eb46af4a20a98ce8d8fbf89bda [2020-08-22 18:29:40,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:29:40,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:29:40,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:40,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:29:40,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:29:40,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd39e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40, skipping insertion in model container [2020-08-22 18:29:40,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:29:40,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:29:40,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:40,637 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:29:40,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:40,671 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:29:40,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40 WrapperNode [2020-08-22 18:29:40,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:40,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:29:40,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:29:40,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:29:40,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (1/1) ... [2020-08-22 18:29:40,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:29:40,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:29:40,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:29:40,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:29:40,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (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 [2020-08-22 18:29:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:29:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:29:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 18:29:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:29:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:29:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 18:29:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:29:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:29:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:29:40,990 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:29:40,991 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:29:40,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:40 BoogieIcfgContainer [2020-08-22 18:29:40,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:29:40,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:29:40,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:29:40,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:29:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:29:40" (1/3) ... [2020-08-22 18:29:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd76fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:40, skipping insertion in model container [2020-08-22 18:29:41,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:40" (2/3) ... [2020-08-22 18:29:41,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd76fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:41, skipping insertion in model container [2020-08-22 18:29:41,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:40" (3/3) ... [2020-08-22 18:29:41,002 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2020-08-22 18:29:41,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:29:41,018 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:29:41,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:29:41,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:29:41,046 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:29:41,046 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:29:41,046 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:29:41,046 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:29:41,046 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:29:41,046 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:29:41,046 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:29:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 18:29:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 18:29:41,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:29:41,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:29:41,069 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:29:41,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:29:41,074 INFO L82 PathProgramCache]: Analyzing trace with hash 501478975, now seen corresponding path program 1 times [2020-08-22 18:29:41,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:29:41,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1554987426] [2020-08-22 18:29:41,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:29:41,129 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:29:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:41,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:41,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:41,187 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:29:41,187 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:29:41,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:29:41,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:29:41 BoogieIcfgContainer [2020-08-22 18:29:41,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:29:41,206 INFO L168 Benchmark]: Toolchain (without parser) took 830.43 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 103.8 MB in the beginning and 157.1 MB in the end (delta: -53.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,207 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.98 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 94.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,210 INFO L168 Benchmark]: Boogie Preprocessor took 107.22 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 181.4 MB in the end (delta: -87.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,210 INFO L168 Benchmark]: RCFGBuilder took 214.10 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 169.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,211 INFO L168 Benchmark]: TraceAbstraction took 207.93 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 157.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:41,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.98 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 94.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.22 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 181.4 MB in the end (delta: -87.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 214.10 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 169.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 207.93 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 157.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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 someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 0.f) [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...