/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/float2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:16:13,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:16:13,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:16:13,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:16:13,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:16:13,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:16:13,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:16:13,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:16:13,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:16:13,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:16:13,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:16:13,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:16:13,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:16:13,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:16:13,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:16:13,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:16:13,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:16:13,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:16:13,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:16:13,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:16:13,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:16:13,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:16:13,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:16:13,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:16:13,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:16:13,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:16:13,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:16:13,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:16:13,143 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 16:16:13,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:16:13,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:16:13,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:16:13,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:16:13,196 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:16:13,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:16:13,196 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:16:13,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:16:13,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:16:13,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:16:13,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:16:13,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:16:13,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:16:13,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:16:13,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:16:13,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:16:13,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:16:13,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:16:13,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:16:13,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:16:13,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:16:13,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:16:13,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:16:13,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:16:13,546 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:16:13,548 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-08-22 16:16:13,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ecd3c1/08969e2a36014057911f80d037d74554/FLAGcd48dd73c [2020-08-22 16:16:14,033 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:16:14,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float2.c [2020-08-22 16:16:14,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ecd3c1/08969e2a36014057911f80d037d74554/FLAGcd48dd73c [2020-08-22 16:16:14,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/979ecd3c1/08969e2a36014057911f80d037d74554 [2020-08-22 16:16:14,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:16:14,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:16:14,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:14,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:16:14,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:16:14,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bff630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14, skipping insertion in model container [2020-08-22 16:16:14,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:16:14,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:16:14,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:14,681 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:16:14,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:16:14,711 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:16:14,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14 WrapperNode [2020-08-22 16:16:14,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:16:14,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:16:14,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:16:14,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:16:14,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (1/1) ... [2020-08-22 16:16:14,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:16:14,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:16:14,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:16:14,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:16:14,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (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 16:16:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:16:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:16:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:16:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:16:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:16:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:16:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:16:15,045 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:16:15,045 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 16:16:15,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:15 BoogieIcfgContainer [2020-08-22 16:16:15,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:16:15,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:16:15,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:16:15,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:16:15,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:16:14" (1/3) ... [2020-08-22 16:16:15,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8aca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:15, skipping insertion in model container [2020-08-22 16:16:15,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:16:14" (2/3) ... [2020-08-22 16:16:15,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8aca18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:16:15, skipping insertion in model container [2020-08-22 16:16:15,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:16:15" (3/3) ... [2020-08-22 16:16:15,084 INFO L109 eAbstractionObserver]: Analyzing ICFG float2.c [2020-08-22 16:16:15,117 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:16:15,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-08-22 16:16:15,141 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-08-22 16:16:15,173 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:16:15,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:16:15,173 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:16:15,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:16:15,173 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:16:15,173 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:16:15,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:16:15,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:16:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 16:16:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-08-22 16:16:15,197 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:16:15,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:16:15,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:16:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:16:15,203 INFO L82 PathProgramCache]: Analyzing trace with hash -484171444, now seen corresponding path program 1 times [2020-08-22 16:16:15,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:16:15,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099556755] [2020-08-22 16:16:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:16:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:15,294 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:16:15,299 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:16:15,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:16:15,322 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:16:15,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:16:15,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:16:15 BoogieIcfgContainer [2020-08-22 16:16:15,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:16:15,347 INFO L168 Benchmark]: Toolchain (without parser) took 862.57 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 104.0 MB in the beginning and 155.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,349 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.18 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 94.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,351 INFO L168 Benchmark]: Boogie Preprocessor took 107.12 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 94.2 MB in the beginning and 179.9 MB in the end (delta: -85.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,352 INFO L168 Benchmark]: RCFGBuilder took 237.52 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 168.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,353 INFO L168 Benchmark]: TraceAbstraction took 281.57 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 155.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:16:15,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.18 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 94.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.12 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 94.2 MB in the beginning and 179.9 MB in the end (delta: -85.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 237.52 ms. Allocated memory is still 200.8 MB. Free memory was 179.9 MB in the beginning and 168.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 281.57 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 155.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 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 someBinaryDOUBLEComparisonOperation at line 10. Possible FailurePath: [L5] float a; [L6] double b; [L9] a=1.25L VAL [a=5/4] [L10] COND TRUE !(a==1.25) VAL [a=5/4] [L10] __VERIFIER_error() VAL [a=5/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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...