/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:01:11,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:01:11,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:01:11,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:01:11,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:01:11,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:01:11,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:01:11,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:01:11,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:01:11,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:01:11,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:01:11,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:01:11,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:01:11,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:01:11,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:01:11,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:01:11,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:01:11,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:01:11,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:01:11,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:01:11,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:01:11,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:01:11,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:01:11,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:01:11,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:01:11,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:01:11,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:01:11,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:01:11,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:01:11,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 17:01:11,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:01:11,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:01:11,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:01:11,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:01:11,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:01:11,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:01:11,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:01:11,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:01:11,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:01:11,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:01:11,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:01:11,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:01:11,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:01:11,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:01:11,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:01:11,391 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:01:11,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:01:11,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:01:11,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:01:11,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:01:11,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:01:11,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:01:11,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:01:11,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:01:11,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:01:11,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:01:11,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:01:11,394 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:01:11,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:01:11,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:01:11,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:01:11,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:01:11,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:01:11,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:01:11,395 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:01:11,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:01:11,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:01:11,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:01:11,732 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:01:11,732 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:01:11,733 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-07-17 17:01:11,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ae84df9/08d34a1a313d408f9f9f3deef6a72e72/FLAGe8fbcd62d [2020-07-17 17:01:12,236 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:01:12,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float11.c [2020-07-17 17:01:12,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ae84df9/08d34a1a313d408f9f9f3deef6a72e72/FLAGe8fbcd62d [2020-07-17 17:01:12,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ae84df9/08d34a1a313d408f9f9f3deef6a72e72 [2020-07-17 17:01:12,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:01:12,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:01:12,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:01:12,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:01:12,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:01:12,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:12,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfc0b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12, skipping insertion in model container [2020-07-17 17:01:12,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:12,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:01:12,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:01:12,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:01:12,857 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:01:12,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:01:12,899 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:01:12,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12 WrapperNode [2020-07-17 17:01:12,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:01:12,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:01:12,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:01:12,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:01:12,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:12,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (1/1) ... [2020-07-17 17:01:13,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:01:13,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:01:13,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:01:13,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:01:13,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (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 [2020-07-17 17:01:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:01:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:01:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:01:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:01:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:01:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:01:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:01:13,398 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:01:13,399 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 17:01:13,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:01:13 BoogieIcfgContainer [2020-07-17 17:01:13,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:01:13,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:01:13,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:01:13,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:01:13,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:01:12" (1/3) ... [2020-07-17 17:01:13,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e77dc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:01:13, skipping insertion in model container [2020-07-17 17:01:13,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:01:12" (2/3) ... [2020-07-17 17:01:13,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e77dc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:01:13, skipping insertion in model container [2020-07-17 17:01:13,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:01:13" (3/3) ... [2020-07-17 17:01:13,415 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c [2020-07-17 17:01:13,425 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:01:13,433 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2020-07-17 17:01:13,446 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2020-07-17 17:01:13,468 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:01:13,468 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:01:13,468 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:01:13,468 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:01:13,469 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:01:13,469 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:01:13,469 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:01:13,469 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:01:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-07-17 17:01:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-17 17:01:13,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:01:13,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-17 17:01:13,506 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]=== [2020-07-17 17:01:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:01:13,512 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2020-07-17 17:01:13,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:01:13,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982590537] [2020-07-17 17:01:13,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:01:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:01:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:01:13,600 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 17:01:13,601 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 17:01:13,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:01:13,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:01:13 BoogieIcfgContainer [2020-07-17 17:01:13,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:01:13,619 INFO L168 Benchmark]: Toolchain (without parser) took 981.23 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 104.9 MB in the beginning and 148.5 MB in the end (delta: -43.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,620 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.90 ms. Allocated memory is still 146.3 MB. Free memory was 104.5 MB in the beginning and 94.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,622 INFO L168 Benchmark]: Boogie Preprocessor took 129.83 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.5 MB in the beginning and 181.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,623 INFO L168 Benchmark]: RCFGBuilder took 375.60 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 160.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,624 INFO L168 Benchmark]: TraceAbstraction took 208.40 ms. Allocated memory is still 202.9 MB. Free memory was 159.7 MB in the beginning and 148.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:01:13,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.90 ms. Allocated memory is still 146.3 MB. Free memory was 104.5 MB in the beginning and 94.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.83 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 94.5 MB in the beginning and 181.4 MB in the end (delta: -86.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.60 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 160.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208.40 ms. Allocated memory is still 202.9 MB. Free memory was 159.7 MB in the beginning and 148.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 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...