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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:04:33,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:04:33,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:04:33,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:04:33,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:04:33,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:04:33,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:04:33,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:04:33,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:04:33,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:04:33,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:04:33,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:04:33,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:04:33,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:04:33,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:04:34,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:04:34,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:04:34,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:04:34,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:04:34,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:04:34,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:04:34,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:04:34,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:04:34,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:04:34,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:04:34,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:04:34,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:04:34,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:04:34,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:04:34,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:04:34,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:04:34,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:04:34,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:04:34,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:04:34,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:04:34,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:04:34,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:04:34,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:04:34,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:04:34,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:04:34,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:04:34,043 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 [2019-10-15 01:04:34,062 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:04:34,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:04:34,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:04:34,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:04:34,065 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:04:34,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:04:34,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:04:34,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:04:34,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:04:34,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:04:34,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:04:34,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:04:34,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:04:34,068 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:04:34,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:04:34,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:04:34,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:04:34,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:04:34,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:04:34,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:04:34,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:04:34,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:04:34,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:04:34,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:04:34,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:04:34,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:04:34,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:04:34,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:04:34,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:04:34,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:04:34,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:04:34,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:04:34,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:04:34,354 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:04:34,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-10-15 01:04:34,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7166a315f/565a991263d14fefa7cc1e35cd91ea4e/FLAG2fef61732 [2019-10-15 01:04:34,878 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:04:34,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-10-15 01:04:34,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7166a315f/565a991263d14fefa7cc1e35cd91ea4e/FLAG2fef61732 [2019-10-15 01:04:35,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7166a315f/565a991263d14fefa7cc1e35cd91ea4e [2019-10-15 01:04:35,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:04:35,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:04:35,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:35,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:04:35,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:04:35,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2a3789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35, skipping insertion in model container [2019-10-15 01:04:35,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,298 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:04:35,319 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:04:35,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:35,481 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:04:35,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:35,506 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:04:35,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35 WrapperNode [2019-10-15 01:04:35,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:35,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:04:35,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:04:35,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:04:35,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (1/1) ... [2019-10-15 01:04:35,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:04:35,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:04:35,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:04:35,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:04:35,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (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 [2019-10-15 01:04:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:04:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:04:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:04:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:04:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:04:35,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-15 01:04:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:04:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:04:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:04:35,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:04:35,842 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:04:35,842 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:04:35,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:35 BoogieIcfgContainer [2019-10-15 01:04:35,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:04:35,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:04:35,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:04:35,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:04:35,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:04:35" (1/3) ... [2019-10-15 01:04:35,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea9710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:35, skipping insertion in model container [2019-10-15 01:04:35,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:35" (2/3) ... [2019-10-15 01:04:35,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ea9710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:35, skipping insertion in model container [2019-10-15 01:04:35,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:35" (3/3) ... [2019-10-15 01:04:35,858 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2019-10-15 01:04:35,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:04:35,872 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:04:35,883 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:04:35,906 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:04:35,906 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:04:35,906 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:04:35,907 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:04:35,907 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:04:35,907 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:04:35,907 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:04:35,907 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:04:35,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-15 01:04:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 01:04:35,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:04:35,927 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:04:35,928 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:04:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:04:35,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-15 01:04:35,940 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:04:35,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032427250] [2019-10-15 01:04:35,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:35,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:35,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:04:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:04:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:04:36,076 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-15 01:04:36,076 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 01:04:36,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:36 BoogieIcfgContainer [2019-10-15 01:04:36,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:04:36,096 INFO L168 Benchmark]: Toolchain (without parser) took 813.84 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 157.6 MB in the end (delta: -55.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.14 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,100 INFO L168 Benchmark]: Boogie Preprocessor took 109.36 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 181.3 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,102 INFO L168 Benchmark]: RCFGBuilder took 230.14 ms. Allocated memory is still 202.9 MB. Free memory was 181.3 MB in the beginning and 171.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,103 INFO L168 Benchmark]: TraceAbstraction took 244.41 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 157.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:36,107 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.14 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.36 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 181.3 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.14 ms. Allocated memory is still 202.9 MB. Free memory was 181.3 MB in the beginning and 171.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244.41 ms. Allocated memory is still 202.9 MB. Free memory was 170.7 MB in the beginning and 157.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = 0; [L13] unsigned short N = __VERIFIER_nondet_ushort(); [L15] COND FALSE !(x < N) VAL [N=0, x=0] [L19] CALL __VERIFIER_assert(x % 2) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 10 NumberOfCodeBlocks, 10 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...