/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 NUM_FUNCTIONS --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/float-no-simp3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:59:53,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:59:53,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:59:53,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:59:53,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:59:53,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:59:53,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:59:53,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:59:53,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:59:53,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:59:53,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:59:53,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:59:53,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:59:53,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:59:53,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:59:53,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:59:53,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:59:53,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:59:53,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:59:53,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:59:53,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:59:53,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:59:53,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:59:53,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:59:53,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 22:59:53,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:59:53,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:59:53,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:59:53,537 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 [2020-07-19 22:59:53,573 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:59:53,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:59:53,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:59:53,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:59:53,575 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:59:53,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:59:53,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:59:53,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:59:53,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:59:53,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:59:53,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:59:53,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:59:53,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:59:53,578 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:59:53,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:59:53,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:59:53,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:59:53,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:59:53,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:59:53,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:59:53,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:59:53,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:59:53,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:59:53,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:59:53,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:59:53,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:59:53,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:59:53,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:59:53,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:59:53,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 [2020-07-19 22:59:53,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:59:53,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:59:53,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:59:53,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:59:53,847 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:59:53,848 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-07-19 22:59:53,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f8bad5/477f4df9f19f4d7896b8a478fd2b1159/FLAGdc293fcf8 [2020-07-19 22:59:54,263 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:59:54,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2020-07-19 22:59:54,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f8bad5/477f4df9f19f4d7896b8a478fd2b1159/FLAGdc293fcf8 [2020-07-19 22:59:54,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/558f8bad5/477f4df9f19f4d7896b8a478fd2b1159 [2020-07-19 22:59:54,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:59:54,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:59:54,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:54,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:59:54,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:59:54,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2278fe2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54, skipping insertion in model container [2020-07-19 22:59:54,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:59:54,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:59:54,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:54,845 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:59:54,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:59:54,873 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:59:54,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54 WrapperNode [2020-07-19 22:59:54,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:59:54,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:59:54,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:59:54,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:59:54,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (1/1) ... [2020-07-19 22:59:54,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:59:54,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:59:54,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:59:54,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:59:54,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (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 [2020-07-19 22:59:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:59:55,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:59:55,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:59:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:59:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:59:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:59:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:59:55,215 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:59:55,216 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-19 22:59:55,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:55 BoogieIcfgContainer [2020-07-19 22:59:55,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:59:55,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:59:55,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:59:55,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:59:55,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:59:54" (1/3) ... [2020-07-19 22:59:55,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0049ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:55, skipping insertion in model container [2020-07-19 22:59:55,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:59:54" (2/3) ... [2020-07-19 22:59:55,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0049ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:59:55, skipping insertion in model container [2020-07-19 22:59:55,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:59:55" (3/3) ... [2020-07-19 22:59:55,234 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2020-07-19 22:59:55,244 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:59:55,251 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:59:55,266 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:59:55,288 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:59:55,289 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:59:55,289 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:59:55,289 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:59:55,289 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:59:55,289 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:59:55,290 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:59:55,290 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:59:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-19 22:59:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-19 22:59:55,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:59:55,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:59:55,312 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:59:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:59:55,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2020-07-19 22:59:55,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:59:55,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169554210] [2020-07-19 22:59:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@526b345a [2020-07-19 22:59:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:59:55,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:59:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:59:55,413 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:59:55,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:59:55,434 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:59:55,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:59:55,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:59:55 BoogieIcfgContainer [2020-07-19 22:59:55,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:59:55,450 INFO L168 Benchmark]: Toolchain (without parser) took 776.73 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 104.0 MB in the beginning and 163.0 MB in the end (delta: -59.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,451 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.14 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 94.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,453 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,454 INFO L168 Benchmark]: RCFGBuilder took 321.03 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 93.0 MB in the beginning and 174.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,455 INFO L168 Benchmark]: TraceAbstraction took 221.88 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 163.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:55,459 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 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 200.14 ms. Allocated memory is still 140.0 MB. Free memory was 103.6 MB in the beginning and 94.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.50 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.03 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 93.0 MB in the beginning and 174.8 MB in the end (delta: -81.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221.88 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 163.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 6. Possible FailurePath: [L6] float fs1=2.0f/6.0f; [L7] float fs2=fs1*6.0f; [L8] COND TRUE !((int)fs2==2) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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...