/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:56:31,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:56:31,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:56:31,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:56:31,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:56:31,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:56:31,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:56:31,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:56:31,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:56:31,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:56:31,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:56:31,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:56:31,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:56:31,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:56:31,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:56:31,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:56:31,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:56:31,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:56:31,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:56:31,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:56:31,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:56:31,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:56:31,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:56:31,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:56:31,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:56:31,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:56:31,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:56:31,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:56:31,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:56:31,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:56:31,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:56:31,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:56:31,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:56:31,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:56:31,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:56:31,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:56:31,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:56:31,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:56:31,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:56:31,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:56:31,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:56:31,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:56:31,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:56:31,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:56:31,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:56:31,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:56:31,509 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:56:31,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:56:31,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:56:31,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:56:31,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:56:31,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:56:31,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:56:31,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:56:31,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:56:31,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:56:31,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:56:31,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:56:31,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:56:31,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:56:31,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:56:31,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:56:31,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:56:31,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:56:31,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:56:31,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:56:31,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:56:31,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:56:31,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:56:31,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:56:31,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:56:31,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:56:32,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:56:32,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:56:32,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:56:32,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:56:32,118 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:56:32,120 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-09-24 15:56:32,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f640e419/b96d017d8a9f45789ecb105bc8519521/FLAGbdeef410c [2020-09-24 15:56:32,795 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:56:32,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-09-24 15:56:32,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f640e419/b96d017d8a9f45789ecb105bc8519521/FLAGbdeef410c [2020-09-24 15:56:33,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9f640e419/b96d017d8a9f45789ecb105bc8519521 [2020-09-24 15:56:33,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:56:33,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:56:33,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:33,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:56:33,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:56:33,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f43d38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33, skipping insertion in model container [2020-09-24 15:56:33,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:56:33,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:56:33,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:33,408 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:56:33,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:33,446 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:56:33,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33 WrapperNode [2020-09-24 15:56:33,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:33,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:56:33,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:56:33,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:56:33,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... [2020-09-24 15:56:33,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:56:33,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:56:33,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:56:33,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:56:33,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 15:56:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:56:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:56:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:56:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:56:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:56:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:56:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:56:33,821 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:56:33,821 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:56:33,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:33 BoogieIcfgContainer [2020-09-24 15:56:33,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:56:33,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:56:33,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:56:33,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:56:33,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:56:33" (1/3) ... [2020-09-24 15:56:33,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534833ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:33, skipping insertion in model container [2020-09-24 15:56:33,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:33" (2/3) ... [2020-09-24 15:56:33,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534833ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:33, skipping insertion in model container [2020-09-24 15:56:33,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:33" (3/3) ... [2020-09-24 15:56:33,836 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2020-09-24 15:56:33,848 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:56:33,859 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:56:33,879 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:56:33,908 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:56:33,908 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:56:33,908 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:56:33,908 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:56:33,909 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:56:33,909 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:56:33,909 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:56:33,909 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:56:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-09-24 15:56:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-24 15:56:33,938 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:33,940 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:33,940 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:33,946 INFO L82 PathProgramCache]: Analyzing trace with hash 811150295, now seen corresponding path program 1 times [2020-09-24 15:56:33,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:33,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [161398217] [2020-09-24 15:56:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:56:34,084 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:56:34,085 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:56:34,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:56:34,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:56:34 BoogieIcfgContainer [2020-09-24 15:56:34,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:56:34,109 INFO L168 Benchmark]: Toolchain (without parser) took 962.41 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 104.3 MB in the beginning and 160.7 MB in the end (delta: -56.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-24 15:56:34,111 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 15:56:34,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.62 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 94.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:56:34,113 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 141.0 MB. Free memory was 94.6 MB in the beginning and 93.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:56:34,114 INFO L168 Benchmark]: RCFGBuilder took 349.31 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 93.2 MB in the beginning and 171.8 MB in the end (delta: -78.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 15:56:34,115 INFO L168 Benchmark]: TraceAbstraction took 277.82 ms. Allocated memory is still 202.4 MB. Free memory was 171.8 MB in the beginning and 160.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:56:34,120 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.62 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 94.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 141.0 MB. Free memory was 94.6 MB in the beginning and 93.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.31 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 93.2 MB in the beginning and 171.8 MB in the end (delta: -78.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 277.82 ms. Allocated memory is still 202.4 MB. Free memory was 171.8 MB in the beginning and 160.7 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: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int plus_one = 1; [L5] int minus_one = -1; [L7] COND TRUE plus_one < minus_one [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 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=15occurred 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, 8 NumberOfCodeBlocks, 8 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 proved your program to be incorrect! Received shutdown request...