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/multivar_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:04:30,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:04:30,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:04:30,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:04:30,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:04:30,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:04:30,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:04:30,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:04:30,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:04:30,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:04:30,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:04:30,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:04:30,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:04:30,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:04:30,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:04:30,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:04:30,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:04:30,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:04:30,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:04:30,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:04:30,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:04:30,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:04:30,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:04:30,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:04:30,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:04:30,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:04:30,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:04:30,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:04:30,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:04:30,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:04:30,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:04:30,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:04:30,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:04:30,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:04:30,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:04:30,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:04:30,197 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 01:04:30,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:04:30,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:04:30,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:04:30,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:04:30,214 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:04:30,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:04:30,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:04:30,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:04:30,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:04:30,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:04:30,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:04:30,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:04:30,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:04:30,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:04:30,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:04:30,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:04:30,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:04:30,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:04:30,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:04:30,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:04:30,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:04:30,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:04:30,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:04:30,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:04:30,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:04:30,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:04:30,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:04:30,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:04:30,219 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 01:04:30,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:04:30,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:04:30,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:04:30,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:04:30,511 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:04:30,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-10-15 01:04:30,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e076228/0a22b197243d435c844e02b834c0dd72/FLAG55108190c [2019-10-15 01:04:31,049 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:04:31,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-2.c [2019-10-15 01:04:31,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e076228/0a22b197243d435c844e02b834c0dd72/FLAG55108190c [2019-10-15 01:04:31,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e076228/0a22b197243d435c844e02b834c0dd72 [2019-10-15 01:04:31,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:04:31,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:04:31,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:31,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:04:31,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:04:31,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbac132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31, skipping insertion in model container [2019-10-15 01:04:31,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:04:31,431 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:04:31,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:31,603 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:04:31,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:04:31,634 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:04:31,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31 WrapperNode [2019-10-15 01:04:31,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:04:31,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:04:31,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:04:31,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:04:31,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (1/1) ... [2019-10-15 01:04:31,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:04:31,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:04:31,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:04:31,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:04:31,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (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 01:04:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:04:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:04:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 01:04:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:04:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:04:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 01:04:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 01:04:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:04:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:04:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:04:31,977 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:04:31,977 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:04:31,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:31 BoogieIcfgContainer [2019-10-15 01:04:31,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:04:31,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:04:31,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:04:31,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:04:31,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:04:31" (1/3) ... [2019-10-15 01:04:31,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108c6fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:31, skipping insertion in model container [2019-10-15 01:04:31,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:04:31" (2/3) ... [2019-10-15 01:04:31,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108c6fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:04:31, skipping insertion in model container [2019-10-15 01:04:31,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:04:31" (3/3) ... [2019-10-15 01:04:31,987 INFO L109 eAbstractionObserver]: Analyzing ICFG multivar_1-2.c [2019-10-15 01:04:31,995 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:04:32,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:04:32,010 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:04:32,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:04:32,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:04:32,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:04:32,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:04:32,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:04:32,035 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:04:32,035 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:04:32,035 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:04:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-15 01:04:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-15 01:04:32,054 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:04:32,055 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:04:32,057 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:04:32,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:04:32,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-10-15 01:04:32,071 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:04:32,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332484094] [2019-10-15 01:04:32,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:32,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:04:32,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:04:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:04:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-15 01:04:32,191 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-15 01:04:32,192 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-15 01:04:32,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:04:32 BoogieIcfgContainer [2019-10-15 01:04:32,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:04:32,213 INFO L168 Benchmark]: Toolchain (without parser) took 813.37 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 104.3 MB in the beginning and 158.2 MB in the end (delta: -53.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,214 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.91 ms. Allocated memory is still 138.9 MB. Free memory was 104.1 MB in the beginning and 94.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,216 INFO L168 Benchmark]: Boogie Preprocessor took 112.88 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 94.4 MB in the beginning and 182.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,217 INFO L168 Benchmark]: RCFGBuilder took 230.65 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 171.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,218 INFO L168 Benchmark]: TraceAbstraction took 229.03 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 158.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:04:32,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.91 ms. Allocated memory is still 138.9 MB. Free memory was 104.1 MB in the beginning and 94.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.88 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 94.4 MB in the beginning and 182.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.65 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 171.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 229.03 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 158.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 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 = __VERIFIER_nondet_uint(); [L13] unsigned int y = x + 1; VAL [x=4294967295, y=0] [L15] COND FALSE !(x < 1024) VAL [x=4294967295, y=0] [L20] CALL __VERIFIER_assert(x == y) 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...