/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/floats-cbmc-regression/float-no-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:28:49,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:28:49,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:28:49,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:28:49,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:28:49,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:28:49,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:28:49,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:28:49,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:28:49,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:28:49,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:28:49,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:28:49,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:28:49,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:28:49,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:28:49,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:28:49,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:28:49,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:28:49,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:28:49,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:28:49,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:28:49,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:28:49,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:28:49,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:28:49,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:28:49,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:28:49,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:28:49,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:28:49,842 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 18:28:49,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:28:49,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:28:49,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:28:49,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:28:49,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:28:49,863 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:28:49,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:28:49,863 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:28:49,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:28:49,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:28:49,864 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:28:49,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:28:49,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:28:49,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:28:49,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:28:49,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:28:49,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:28:49,866 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:28:50,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:28:50,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:28:50,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:28:50,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:28:50,151 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:28:50,152 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-08-22 18:28:50,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1db3428b/a68c2d848dfa42f7bd22f9a81aefe9f2/FLAGcbe4e5044 [2020-08-22 18:28:50,597 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:28:50,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-08-22 18:28:50,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1db3428b/a68c2d848dfa42f7bd22f9a81aefe9f2/FLAGcbe4e5044 [2020-08-22 18:28:51,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1db3428b/a68c2d848dfa42f7bd22f9a81aefe9f2 [2020-08-22 18:28:51,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:28:51,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:28:51,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:28:51,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:28:51,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:28:51,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5878563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51, skipping insertion in model container [2020-08-22 18:28:51,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:28:51,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:28:51,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:28:51,235 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:28:51,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:28:51,260 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:28:51,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51 WrapperNode [2020-08-22 18:28:51,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:28:51,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:28:51,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:28:51,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:28:51,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (1/1) ... [2020-08-22 18:28:51,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:28:51,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:28:51,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:28:51,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:28:51,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (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 18:28:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:28:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:28:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:28:51,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:28:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:28:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:28:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:28:51,634 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:28:51,635 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:28:51,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:28:51 BoogieIcfgContainer [2020-08-22 18:28:51,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:28:51,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:28:51,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:28:51,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:28:51,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:28:51" (1/3) ... [2020-08-22 18:28:51,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c164c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:28:51, skipping insertion in model container [2020-08-22 18:28:51,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:51" (2/3) ... [2020-08-22 18:28:51,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c164c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:28:51, skipping insertion in model container [2020-08-22 18:28:51,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:28:51" (3/3) ... [2020-08-22 18:28:51,651 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2020-08-22 18:28:51,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:28:51,669 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:28:51,683 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:28:51,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:28:51,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:28:51,711 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:28:51,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:28:51,712 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:28:51,712 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:28:51,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:28:51,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:28:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-08-22 18:28:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 18:28:51,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:28:51,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:28:51,734 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:28:51,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:28:51,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1924372563, now seen corresponding path program 1 times [2020-08-22 18:28:51,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:28:51,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962122906] [2020-08-22 18:28:51,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:28:51,814 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:28:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:28:51,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:28:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:28:51,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:28:51,874 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:28:51,874 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:28:51,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:28:51,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:28:51 BoogieIcfgContainer [2020-08-22 18:28:51,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:28:51,893 INFO L168 Benchmark]: Toolchain (without parser) took 853.97 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.7 MB in the beginning and 158.6 MB in the end (delta: -55.9 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,895 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.23 ms. Allocated memory is still 139.5 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,897 INFO L168 Benchmark]: Boogie Preprocessor took 28.20 ms. Allocated memory is still 139.5 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,899 INFO L168 Benchmark]: RCFGBuilder took 350.64 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.9 MB in the beginning and 171.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,899 INFO L168 Benchmark]: TraceAbstraction took 249.15 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 158.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:51,904 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 139.5 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 221.23 ms. Allocated memory is still 139.5 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.20 ms. Allocated memory is still 139.5 MB. Free memory was 93.2 MB in the beginning and 91.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.64 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.9 MB in the beginning and 171.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249.15 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 158.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 9, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 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=17occurred 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...