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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 20:50:05,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 20:50:05,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 20:50:05,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 20:50:05,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 20:50:05,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 20:50:05,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 20:50:05,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 20:50:05,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 20:50:05,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 20:50:05,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 20:50:05,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 20:50:05,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 20:50:05,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 20:50:05,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 20:50:05,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 20:50:05,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 20:50:05,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 20:50:05,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 20:50:05,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 20:50:05,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 20:50:05,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 20:50:05,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 20:50:05,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 20:50:05,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 20:50:05,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 20:50:05,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 20:50:05,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 20:50:05,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 20:50:05,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 20:50:05,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 20:50:05,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 20:50:05,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 20:50:05,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 20:50:05,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 20:50:05,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 20:50:05,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 20:50:05,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 20:50:05,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 20:50:05,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 20:50:05,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 20:50:05,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-03 20:50:05,148 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 20:50:05,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 20:50:05,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 20:50:05,149 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 20:50:05,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 20:50:05,150 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 20:50:05,150 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 20:50:05,150 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 20:50:05,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 20:50:05,150 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 20:50:05,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 20:50:05,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 20:50:05,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 20:50:05,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 20:50:05,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 20:50:05,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 20:50:05,153 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 20:50:05,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 20:50:05,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 20:50:05,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 20:50:05,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 20:50:05,154 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 20:50:05,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 20:50:05,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 20:50:05,155 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 20:50:05,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 20:50:05,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 20:50:05,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 20:50:05,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 20:50:05,205 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 20:50:05,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-03 20:50:05,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316ae382b/2cdbc898ba064744b35339fcdb078aa7/FLAGd63a33995 [2019-09-03 20:50:05,726 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 20:50:05,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-03 20:50:05,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316ae382b/2cdbc898ba064744b35339fcdb078aa7/FLAGd63a33995 [2019-09-03 20:50:06,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316ae382b/2cdbc898ba064744b35339fcdb078aa7 [2019-09-03 20:50:06,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 20:50:06,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 20:50:06,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 20:50:06,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 20:50:06,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 20:50:06,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6501343a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06, skipping insertion in model container [2019-09-03 20:50:06,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,170 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 20:50:06,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 20:50:06,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:50:06,348 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 20:50:06,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 20:50:06,384 INFO L192 MainTranslator]: Completed translation [2019-09-03 20:50:06,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06 WrapperNode [2019-09-03 20:50:06,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 20:50:06,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 20:50:06,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 20:50:06,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 20:50:06,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (1/1) ... [2019-09-03 20:50:06,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 20:50:06,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 20:50:06,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 20:50:06,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 20:50:06,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (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 [2019-09-03 20:50:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 20:50:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 20:50:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 20:50:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 20:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 20:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-03 20:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 20:50:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 20:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 20:50:06,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 20:50:06,711 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 20:50:06,711 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 20:50:06,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:50:06 BoogieIcfgContainer [2019-09-03 20:50:06,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 20:50:06,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 20:50:06,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 20:50:06,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 20:50:06,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 08:50:06" (1/3) ... [2019-09-03 20:50:06,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324d7d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:50:06, skipping insertion in model container [2019-09-03 20:50:06,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 08:50:06" (2/3) ... [2019-09-03 20:50:06,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324d7d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 08:50:06, skipping insertion in model container [2019-09-03 20:50:06,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 08:50:06" (3/3) ... [2019-09-03 20:50:06,719 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_3-1.c [2019-09-03 20:50:06,728 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 20:50:06,735 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 20:50:06,750 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 20:50:06,775 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 20:50:06,775 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-03 20:50:06,776 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 20:50:06,776 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 20:50:06,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 20:50:06,776 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 20:50:06,776 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 20:50:06,776 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 20:50:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-03 20:50:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-03 20:50:06,799 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 20:50:06,800 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 20:50:06,802 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 20:50:06,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 20:50:06,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2019-09-03 20:50:06,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-03 20:50:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:50:06,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 20:50:06,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 20:50:06,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-03 20:50:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 20:50:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-03 20:50:06,931 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-03 20:50:06,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 08:50:06 BoogieIcfgContainer [2019-09-03 20:50:06,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 20:50:06,949 INFO L168 Benchmark]: Toolchain (without parser) took 792.60 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.4 MB in the beginning and 149.9 MB in the end (delta: -63.5 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,951 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.08 ms. Allocated memory is still 130.5 MB. Free memory was 86.2 MB in the beginning and 77.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,953 INFO L168 Benchmark]: Boogie Preprocessor took 117.40 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.0 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,954 INFO L168 Benchmark]: RCFGBuilder took 209.38 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 162.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,955 INFO L168 Benchmark]: TraceAbstraction took 232.85 ms. Allocated memory is still 197.7 MB. Free memory was 162.9 MB in the beginning and 149.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-03 20:50:06,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.08 ms. Allocated memory is still 130.5 MB. Free memory was 86.2 MB in the beginning and 77.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.40 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.0 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.38 ms. Allocated memory is still 197.7 MB. Free memory was 174.0 MB in the beginning and 162.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232.85 ms. Allocated memory is still 197.7 MB. Free memory was 162.9 MB in the beginning and 149.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 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. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...