/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/nan_double.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:27:41,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:27:41,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:27:41,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:27:41,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:27:41,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:27:41,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:27:41,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:27:41,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:27:41,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:27:41,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:27:41,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:27:41,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:27:41,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:27:41,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:27:41,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:27:41,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:27:41,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:27:41,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:27:41,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:27:41,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:27:41,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:27:41,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:27:41,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:27:41,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 05:27:41,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:27:41,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:27:41,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:27:41,644 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 [2020-07-20 05:27:41,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:27:41,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:27:41,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:27:41,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:27:41,682 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:27:41,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:27:41,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:27:41,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:27:41,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:27:41,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:27:41,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:27:41,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:27:41,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:27:41,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:27:41,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:27:41,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:27:41,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:27:41,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:27:41,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:27:41,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:27:41,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:27:41,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:27:41,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:27:41,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:27:41,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:27:41,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:27:41,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:27:41,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:27:41,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:27:41,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:27:41,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:27:42,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:27:42,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:27:42,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:27:42,006 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:27:42,007 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_double.c [2020-07-20 05:27:42,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15aeb00de/7718dbb311bd4f28a0352b66a098c81a/FLAGa6a9f7bf8 [2020-07-20 05:27:42,592 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:27:42,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_double.c [2020-07-20 05:27:42,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15aeb00de/7718dbb311bd4f28a0352b66a098c81a/FLAGa6a9f7bf8 [2020-07-20 05:27:42,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15aeb00de/7718dbb311bd4f28a0352b66a098c81a [2020-07-20 05:27:42,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:27:42,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:27:42,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:27:42,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:27:42,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:27:42,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:42" (1/1) ... [2020-07-20 05:27:42,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b006d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:42, skipping insertion in model container [2020-07-20 05:27:42,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:42" (1/1) ... [2020-07-20 05:27:42,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:27:43,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:27:43,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:27:43,179 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:27:43,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:27:43,211 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:27:43,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43 WrapperNode [2020-07-20 05:27:43,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:27:43,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:27:43,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:27:43,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:27:43,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (1/1) ... [2020-07-20 05:27:43,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:27:43,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:27:43,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:27:43,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:27:43,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (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 [2020-07-20 05:27:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:27:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:27:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 05:27:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:27:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:27:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-20 05:27:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 05:27:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:27:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:27:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:27:43,572 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:27:43,573 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 05:27:43,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:43 BoogieIcfgContainer [2020-07-20 05:27:43,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:27:43,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:27:43,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:27:43,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:27:43,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:27:42" (1/3) ... [2020-07-20 05:27:43,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d02c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:43, skipping insertion in model container [2020-07-20 05:27:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:43" (2/3) ... [2020-07-20 05:27:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d02c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:43, skipping insertion in model container [2020-07-20 05:27:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:43" (3/3) ... [2020-07-20 05:27:43,583 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_double.c [2020-07-20 05:27:43,590 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:27:43,596 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:27:43,606 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:27:43,629 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:27:43,629 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:27:43,629 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:27:43,629 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:27:43,629 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:27:43,630 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:27:43,630 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:27:43,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:27:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-20 05:27:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-20 05:27:43,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:27:43,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:27:43,652 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:27:43,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:27:43,658 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2020-07-20 05:27:43,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:27:43,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034332904] [2020-07-20 05:27:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@54cd61ef [2020-07-20 05:27:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:27:43,749 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:27:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:27:43,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:27:43,773 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 05:27:43,774 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 05:27:43,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:27:43,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:27:43 BoogieIcfgContainer [2020-07-20 05:27:43,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:27:43,800 INFO L168 Benchmark]: Toolchain (without parser) took 822.98 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 159.6 MB in the end (delta: -57.1 MB). Peak memory consumption was 532.7 kB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,801 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.98 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 92.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,804 INFO L168 Benchmark]: Boogie Preprocessor took 128.75 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.8 MB in the beginning and 183.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,805 INFO L168 Benchmark]: RCFGBuilder took 234.14 ms. Allocated memory is still 203.9 MB. Free memory was 183.3 MB in the beginning and 172.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,806 INFO L168 Benchmark]: TraceAbstraction took 220.16 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 159.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:43,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.98 ms. Allocated memory is still 146.3 MB. Free memory was 102.0 MB in the beginning and 92.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.75 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 92.8 MB in the beginning and 183.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.14 ms. Allocated memory is still 203.9 MB. Free memory was 183.3 MB in the beginning and 172.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 220.16 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 159.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __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...