/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/floats-cbmc-regression/float11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:27:16,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:27:16,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:27:16,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:27:16,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:27:16,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:27:16,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:27:16,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:27:16,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:27:16,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:27:16,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:27:16,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:27:16,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:27:16,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:27:16,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:27:16,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:27:16,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:27:16,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:27:16,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:27:16,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:27:16,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:27:16,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:27:16,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:27:16,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:27:16,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 05:27:16,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 05:27:16,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 05:27:16,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 05:27:16,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 05:27:16,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-20 05:27:16,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:27:16,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:27:16,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:27:16,151 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 05:27:16,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:27:16,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:27:16,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:27:16,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:27:16,187 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:27:16,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:27:16,188 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:27:16,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:27:16,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:27:16,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:27:16,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:27:16,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:27:16,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:27:16,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:27:16,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:27:16,191 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:27:16,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:27:16,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:27:16,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:27:16,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:27:16,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:27:16,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:27:16,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:27:16,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:27:16,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:27:16,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:27:16,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:27:16,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:27:16,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:27:16,195 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 05:27:16,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:27:16,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:27:16,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:27:16,500 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:27:16,500 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:27:16,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-07-20 05:27:16,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fef6331/7c9bbece36b7487d8d188590149028c0/FLAGb4469def4 [2020-07-20 05:27:17,062 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:27:17,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-07-20 05:27:17,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fef6331/7c9bbece36b7487d8d188590149028c0/FLAGb4469def4 [2020-07-20 05:27:17,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fef6331/7c9bbece36b7487d8d188590149028c0 [2020-07-20 05:27:17,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:27:17,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:27:17,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:27:17,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:27:17,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:27:17,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f822c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17, skipping insertion in model container [2020-07-20 05:27:17,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:27:17,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:27:17,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:27:17,634 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:27:17,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:27:17,664 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:27:17,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17 WrapperNode [2020-07-20 05:27:17,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:27:17,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:27:17,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:27:17,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:27:17,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (1/1) ... [2020-07-20 05:27:17,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:27:17,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:27:17,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:27:17,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:27:17,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (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 05:27:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:27:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:27:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:27:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:27:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:27:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:27:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:27:18,164 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:27:18,165 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 05:27:18,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:18 BoogieIcfgContainer [2020-07-20 05:27:18,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:27:18,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:27:18,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:27:18,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:27:18,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:27:17" (1/3) ... [2020-07-20 05:27:18,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98518d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:18, skipping insertion in model container [2020-07-20 05:27:18,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:27:17" (2/3) ... [2020-07-20 05:27:18,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98518d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:27:18, skipping insertion in model container [2020-07-20 05:27:18,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:27:18" (3/3) ... [2020-07-20 05:27:18,179 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c [2020-07-20 05:27:18,190 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:27:18,197 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-07-20 05:27:18,211 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-07-20 05:27:18,238 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:27:18,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:27:18,239 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:27:18,239 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:27:18,239 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:27:18,239 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:27:18,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:27:18,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:27:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-20 05:27:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-20 05:27:18,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:27:18,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-20 05:27:18,274 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:27:18,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:27:18,279 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2020-07-20 05:27:18,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:27:18,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148590431] [2020-07-20 05:27:18,289 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ecfe729 [2020-07-20 05:27:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:27:18,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:27:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:27:18,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:27:18,366 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 05:27:18,367 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 05:27:18,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:27:18,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:27:18 BoogieIcfgContainer [2020-07-20 05:27:18,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:27:18,390 INFO L168 Benchmark]: Toolchain (without parser) took 946.44 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 104.4 MB in the beginning and 149.2 MB in the end (delta: -44.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,391 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.41 ms. Allocated memory is still 146.8 MB. Free memory was 104.0 MB in the beginning and 93.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,394 INFO L168 Benchmark]: Boogie Preprocessor took 124.91 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 93.9 MB in the beginning and 182.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,395 INFO L168 Benchmark]: RCFGBuilder took 381.28 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 160.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,396 INFO L168 Benchmark]: TraceAbstraction took 214.64 ms. Allocated memory is still 204.5 MB. Free memory was 160.3 MB in the beginning and 149.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-20 05:27:18,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 220.41 ms. Allocated memory is still 146.8 MB. Free memory was 104.0 MB in the beginning and 93.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.91 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 93.9 MB in the beginning and 182.6 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 381.28 ms. Allocated memory is still 204.5 MB. Free memory was 182.6 MB in the beginning and 160.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214.64 ms. Allocated memory is still 204.5 MB. Free memory was 160.3 MB in the beginning and 149.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 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=98occurred 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, 6 NumberOfCodeBlocks, 6 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...