/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 DAGSIZE --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/bitvector-regression/implicitunsignedconversion-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:20:03,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 03:20:03,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 03:20:03,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 03:20:03,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 03:20:03,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 03:20:03,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 03:20:03,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 03:20:03,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 03:20:03,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 03:20:03,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 03:20:03,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 03:20:03,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:20:03,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:20:03,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:20:03,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:20:03,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:20:03,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:20:03,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:20:03,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:20:03,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:20:03,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:20:03,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:20:03,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:20:03,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:20:03,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:20:03,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:20:03,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:20:03,896 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 03:20:03,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:20:03,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:20:03,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:20:03,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:20:03,913 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:20:03,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:20:03,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:20:03,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:20:03,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:20:03,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:20:03,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:20:03,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:20:03,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:20:03,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:20:03,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:20:03,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:20:03,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:20:03,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:20:03,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:20:03,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:20:03,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:20:03,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:20:03,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:20:03,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:20:03,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 03:20:04,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:20:04,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:20:04,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:20:04,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:20:04,239 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:20:04,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-20 03:20:04,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcdc7343/aa9fff09faae463cad1a033fdb8cffba/FLAG4ec922321 [2020-07-20 03:20:04,759 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:20:04,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-1.c [2020-07-20 03:20:04,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcdc7343/aa9fff09faae463cad1a033fdb8cffba/FLAG4ec922321 [2020-07-20 03:20:05,140 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcdc7343/aa9fff09faae463cad1a033fdb8cffba [2020-07-20 03:20:05,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:20:05,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:20:05,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:20:05,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:20:05,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:20:05,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ad6925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05, skipping insertion in model container [2020-07-20 03:20:05,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:20:05,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:20:05,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:20:05,378 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:20:05,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:20:05,407 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:20:05,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05 WrapperNode [2020-07-20 03:20:05,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:20:05,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:20:05,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:20:05,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:20:05,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (1/1) ... [2020-07-20 03:20:05,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:20:05,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:20:05,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:20:05,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:20:05,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (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 03:20:05,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:20:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:20:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:20:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:20:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:20:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:20:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:20:05,728 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:20:05,729 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 03:20:05,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:20:05 BoogieIcfgContainer [2020-07-20 03:20:05,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:20:05,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:20:05,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:20:05,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:20:05,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:20:05" (1/3) ... [2020-07-20 03:20:05,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9af53db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:20:05, skipping insertion in model container [2020-07-20 03:20:05,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:05" (2/3) ... [2020-07-20 03:20:05,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9af53db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:20:05, skipping insertion in model container [2020-07-20 03:20:05,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:20:05" (3/3) ... [2020-07-20 03:20:05,741 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-1.c [2020-07-20 03:20:05,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:20:05,759 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:20:05,771 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:20:05,796 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:20:05,796 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:20:05,797 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:20:05,797 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:20:05,797 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:20:05,797 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:20:05,797 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:20:05,797 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:20:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-20 03:20:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-20 03:20:05,818 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:05,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:05,819 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:05,826 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-20 03:20:05,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:05,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693672747] [2020-07-20 03:20:05,835 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4c7807b3 [2020-07-20 03:20:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 03:20:05,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 03:20:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 03:20:05,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 03:20:05,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 03:20:05,946 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 03:20:05,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:20:05,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:20:05 BoogieIcfgContainer [2020-07-20 03:20:05,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:20:05,968 INFO L168 Benchmark]: Toolchain (without parser) took 813.62 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 158.0 MB in the end (delta: -57.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,969 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.95 ms. Allocated memory is still 136.8 MB. Free memory was 100.0 MB in the beginning and 90.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,971 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 ms. Allocated memory is still 136.8 MB. Free memory was 90.9 MB in the beginning and 89.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,973 INFO L168 Benchmark]: RCFGBuilder took 298.80 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 89.6 MB in the beginning and 170.7 MB in the end (delta: -81.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,974 INFO L168 Benchmark]: TraceAbstraction took 230.82 ms. Allocated memory is still 200.8 MB. Free memory was 170.7 MB in the beginning and 158.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:20:05,978 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.95 ms. Allocated memory is still 136.8 MB. Free memory was 100.0 MB in the beginning and 90.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.00 ms. Allocated memory is still 136.8 MB. Free memory was 90.9 MB in the beginning and 89.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.80 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 89.6 MB in the beginning and 170.7 MB in the end (delta: -81.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230.82 ms. Allocated memory is still 200.8 MB. Free memory was 170.7 MB in the beginning and 158.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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; VAL [minus_one=-1, plus_one=1] [L7] COND TRUE plus_one < minus_one VAL [minus_one=-1, plus_one=1] [L12] __VERIFIER_error() VAL [minus_one=-1, plus_one=1] - 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 proved your program to be incorrect! Received shutdown request...