/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/floats-cbmc-regression/float12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:16:08,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:16:08,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:16:08,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:16:08,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:16:08,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:16:08,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:16:08,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:16:08,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:16:08,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:16:08,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:16:08,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:16:08,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:16:08,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:16:08,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:16:08,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:16:08,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:16:08,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:16:08,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:16:08,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:16:08,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:16:08,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:16:08,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:16:08,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:16:08,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:16:08,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:16:08,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:16:08,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:16:08,823 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 16:16:08,846 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:16:08,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:16:08,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:16:08,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:16:08,848 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:16:08,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:16:08,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:16:08,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:16:08,850 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:16:08,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:16:08,850 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:16:08,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:16:08,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:16:08,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:16:08,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:16:08,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:16:08,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:16:08,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:16:08,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:16:08,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:16:08,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:16:08,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:16:08,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:16:08,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:16:08,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:16:09,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:16:09,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:16:09,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:16:09,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:16:09,175 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:16:09,176 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float12.c [2020-08-22 16:16:09,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a429c903f/f9c8384d0d8f4dc5988d54f9f24e6f6f/FLAG1c9e0f58c [2020-08-22 16:16:09,716 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:16:09,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float12.c [2020-08-22 16:16:09,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a429c903f/f9c8384d0d8f4dc5988d54f9f24e6f6f/FLAG1c9e0f58c [2020-08-22 16:16:10,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a429c903f/f9c8384d0d8f4dc5988d54f9f24e6f6f [2020-08-22 16:16:10,095 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:16:10,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:16:10,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:10,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:16:10,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:16:10,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e3170a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10, skipping insertion in model container [2020-08-22 16:16:10,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:16:10,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:16:10,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:10,350 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:16:10,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:10,384 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:16:10,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10 WrapperNode [2020-08-22 16:16:10,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:10,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:16:10,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:16:10,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:16:10,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (1/1) ... [2020-08-22 16:16:10,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:16:10,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:16:10,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:16:10,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:16:10,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (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 16:16:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:16:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:16:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:16:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:16:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-08-22 16:16:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-08-22 16:16:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:16:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:16:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:16:10,693 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:16:10,693 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:16:10,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:10 BoogieIcfgContainer [2020-08-22 16:16:10,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:16:10,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:16:10,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:16:10,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:16:10,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:16:10" (1/3) ... [2020-08-22 16:16:10,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541ab2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:10, skipping insertion in model container [2020-08-22 16:16:10,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:10" (2/3) ... [2020-08-22 16:16:10,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541ab2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:10, skipping insertion in model container [2020-08-22 16:16:10,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:10" (3/3) ... [2020-08-22 16:16:10,705 INFO L109 eAbstractionObserver]: Analyzing ICFG float12.c [2020-08-22 16:16:10,715 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:16:10,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:16:10,736 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:16:10,759 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:16:10,759 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:16:10,759 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:16:10,759 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:16:10,759 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:16:10,760 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:16:10,760 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:16:10,760 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:16:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-08-22 16:16:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-08-22 16:16:10,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:16:10,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:16:10,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:16:10,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:16:10,789 INFO L82 PathProgramCache]: Analyzing trace with hash -689330286, now seen corresponding path program 1 times [2020-08-22 16:16:10,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:16:10,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906487542] [2020-08-22 16:16:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:16:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:10,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:10,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:10,889 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:16:10,890 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:16:10,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:16:10,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:16:10 BoogieIcfgContainer [2020-08-22 16:16:10,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:16:10,911 INFO L168 Benchmark]: Toolchain (without parser) took 813.74 ms. Allocated memory was 145.8 MB in the beginning and 200.8 MB in the end (delta: 55.1 MB). Free memory was 102.2 MB in the beginning and 157.8 MB in the end (delta: -55.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 16:16:10,912 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 16:16:10,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.72 ms. Allocated memory is still 145.8 MB. Free memory was 102.0 MB in the beginning and 92.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:10,914 INFO L168 Benchmark]: Boogie Preprocessor took 30.48 ms. Allocated memory is still 145.8 MB. Free memory was 92.3 MB in the beginning and 91.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:10,915 INFO L168 Benchmark]: RCFGBuilder took 279.86 ms. Allocated memory was 145.8 MB in the beginning and 200.8 MB in the end (delta: 55.1 MB). Free memory was 90.8 MB in the beginning and 170.2 MB in the end (delta: -79.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:10,916 INFO L168 Benchmark]: TraceAbstraction took 210.41 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 157.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:10,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.72 ms. Allocated memory is still 145.8 MB. Free memory was 102.0 MB in the beginning and 92.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.48 ms. Allocated memory is still 145.8 MB. Free memory was 92.3 MB in the beginning and 91.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 279.86 ms. Allocated memory was 145.8 MB in the beginning and 200.8 MB in the end (delta: 55.1 MB). Free memory was 90.8 MB in the beginning and 170.2 MB in the end (delta: -79.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 210.41 ms. Allocated memory is still 200.8 MB. Free memory was 169.5 MB in the beginning and 157.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L6] float f = __VERIFIER_nondet_float(); [L7] double d; [L8] unsigned char x = __VERIFIER_nondet_uchar(); [L10] d=f VAL [d=2, f=2, x=3] [L12] COND TRUE f==x VAL [d=2, f=2, x=3] [L13] COND TRUE !(d==x) VAL [d=2, f=2, x=3] [L13] __VERIFIER_error() VAL [d=2, f=2, x=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 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=13occurred 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, 8 NumberOfCodeBlocks, 8 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...