/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:16:18,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:16:18,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:16:18,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:16:18,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:16:18,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:16:18,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:16:18,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:16:18,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:16:18,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:16:18,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:16:18,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:16:18,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:16:18,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:16:18,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:16:18,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:16:18,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:16:18,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:16:18,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:16:18,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:16:18,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:16:18,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:16:18,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:16:18,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:16:18,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:16:18,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:16:18,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:16:18,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:16:18,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:16:18,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:16:18,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:16:18,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:16:18,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:16:18,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:16:18,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:16:18,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:16:18,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:16:18,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:16:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:16:18,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:16:18,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:16:18,776 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:16:18,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:16:18,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:16:18,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:16:18,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:16:18,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:16:18,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:16:18,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:16:18,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:16:18,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:16:18,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:16:18,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:16:18,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:16:18,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:16:18,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:16:18,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:16:18,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:16:18,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:16:18,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:16:18,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:16:18,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:16:18,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:16:18,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:16:18,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:16:18,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:16:18,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:16:19,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:16:19,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:16:19,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:16:19,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:16:19,114 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:16:19,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-08-22 16:16:19,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463862f8/a9f13540932f47f6adb2131a819b701f/FLAG8fec7790f [2020-08-22 16:16:19,639 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:16:19,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-08-22 16:16:19,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463862f8/a9f13540932f47f6adb2131a819b701f/FLAG8fec7790f [2020-08-22 16:16:20,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2463862f8/a9f13540932f47f6adb2131a819b701f [2020-08-22 16:16:20,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:16:20,027 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:16:20,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:20,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:16:20,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:16:20,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585173b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20, skipping insertion in model container [2020-08-22 16:16:20,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:16:20,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:16:20,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:20,269 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:16:20,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:20,305 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:16:20,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20 WrapperNode [2020-08-22 16:16:20,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:20,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:16:20,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:16:20,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:16:20,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (1/1) ... [2020-08-22 16:16:20,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:16:20,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:16:20,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:16:20,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:16:20,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (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 16:16:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:16:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:16:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 16:16:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:16:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:16:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 16:16:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:16:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:16:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:16:20,632 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:16:20,632 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:16:20,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:20 BoogieIcfgContainer [2020-08-22 16:16:20,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:16:20,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:16:20,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:16:20,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:16:20,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:16:20" (1/3) ... [2020-08-22 16:16:20,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d69dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:20, skipping insertion in model container [2020-08-22 16:16:20,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:20" (2/3) ... [2020-08-22 16:16:20,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d69dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:20, skipping insertion in model container [2020-08-22 16:16:20,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:20" (3/3) ... [2020-08-22 16:16:20,643 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2020-08-22 16:16:20,652 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:16:20,658 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:16:20,670 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:16:20,694 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:16:20,694 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:16:20,694 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:16:20,694 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:16:20,695 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:16:20,695 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:16:20,695 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:16:20,695 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:16:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-08-22 16:16:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-08-22 16:16:20,719 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:16:20,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:16:20,720 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:16:20,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:16:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2020-08-22 16:16:20,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:16:20,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161355289] [2020-08-22 16:16:20,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:16:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:20,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:20,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:20,836 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:16:20,837 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:16:20,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:16:20,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:16:20 BoogieIcfgContainer [2020-08-22 16:16:20,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:16:20,859 INFO L168 Benchmark]: Toolchain (without parser) took 830.44 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.3 MB in the beginning and 157.9 MB in the end (delta: -54.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,860 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 140.0 MB. Free memory was 103.1 MB in the beginning and 93.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,863 INFO L168 Benchmark]: Boogie Preprocessor took 113.47 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.9 MB in the beginning and 181.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,864 INFO L168 Benchmark]: RCFGBuilder took 213.40 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,865 INFO L168 Benchmark]: TraceAbstraction took 219.39 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 157.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:20,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.33 ms. Allocated memory is still 140.0 MB. Free memory was 103.1 MB in the beginning and 93.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.47 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 93.9 MB in the beginning and 181.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 213.40 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219.39 ms. Allocated memory is still 202.4 MB. Free memory was 169.9 MB in the beginning and 157.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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 11. 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 VAL [x=100000000] [L14] CALL __VERIFIER_assert(r == 0.f) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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...