/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 11:25:43,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 11:25:43,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 11:25:43,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-06 11:25:44,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 11:25:44,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 11:25:44,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 11:25:44,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 11:25:44,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 11:25:44,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 11:25:44,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 11:25:44,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 11:25:44,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 11:25:44,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 11:25:44,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 11:25:44,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 11:25:44,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 11:25:44,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 11:25:44,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 11:25:44,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 11:25:44,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-06 11:25:44,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 11:25:44,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 11:25:44,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 11:25:44,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 11:25:44,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 11:25:44,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 11:25:44,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 11:25:44,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 11:25:44,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 11:25:44,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 11:25:44,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 11:25:44,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 11:25:44,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 11:25:44,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 11:25:44,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-06 11:25:44,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-06 11:25:44,063 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-06 11:25:44,063 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 11:25:44,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 11:25:44,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 11:25:44,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 11:25:44,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 11:25:44,355 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 11:25:44,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2021-05-06 11:25:44,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2825446/5a5ab626babe4c08bfb32c7ba2e291e9/FLAGb07307da0 [2021-05-06 11:25:44,762 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 11:25:44,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2021-05-06 11:25:44,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2825446/5a5ab626babe4c08bfb32c7ba2e291e9/FLAGb07307da0 [2021-05-06 11:25:45,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb2825446/5a5ab626babe4c08bfb32c7ba2e291e9 [2021-05-06 11:25:45,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 11:25:45,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-06 11:25:45,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 11:25:45,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 11:25:45,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 11:25:45,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c15ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45, skipping insertion in model container [2021-05-06 11:25:45,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 11:25:45,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 11:25:45,292 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c[372,385] [2021-05-06 11:25:45,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:25:45,310 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 11:25:45,364 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c[372,385] [2021-05-06 11:25:45,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:25:45,378 INFO L208 MainTranslator]: Completed translation [2021-05-06 11:25:45,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45 WrapperNode [2021-05-06 11:25:45,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 11:25:45,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 11:25:45,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 11:25:45,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 11:25:45,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (1/1) ... [2021-05-06 11:25:45,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 11:25:45,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 11:25:45,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 11:25:45,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 11:25:45,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (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 [2021-05-06 11:25:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 11:25:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 11:25:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 11:25:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 11:25:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 11:25:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 11:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 11:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 11:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 11:25:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 11:25:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 11:25:45,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 11:25:45,695 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-06 11:25:45,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:25:45 BoogieIcfgContainer [2021-05-06 11:25:45,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 11:25:45,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 11:25:45,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 11:25:45,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 11:25:45,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 11:25:45" (1/3) ... [2021-05-06 11:25:45,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e3dfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:25:45, skipping insertion in model container [2021-05-06 11:25:45,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:25:45" (2/3) ... [2021-05-06 11:25:45,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e3dfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:25:45, skipping insertion in model container [2021-05-06 11:25:45,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:25:45" (3/3) ... [2021-05-06 11:25:45,715 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_2-2.c [2021-05-06 11:25:45,719 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-06 11:25:45,721 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 11:25:45,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 11:25:45,769 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 11:25:45,770 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-06 11:25:45,770 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-06 11:25:45,770 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 11:25:45,770 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 11:25:45,770 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 11:25:45,770 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 11:25:45,770 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 11:25:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-06 11:25:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-06 11:25:45,793 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:25:45,793 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:25:45,794 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:25:45,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:25:45,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1301225826, now seen corresponding path program 1 times [2021-05-06 11:25:45,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:25:45,807 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796715494] [2021-05-06 11:25:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:25:45,860 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-06 11:25:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 11:25:45,920 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 11:25:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-06 11:25:45,956 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-06 11:25:45,996 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-05-06 11:25:45,996 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-06 11:25:45,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 11:25:46,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 11:25:46 BoogieIcfgContainer [2021-05-06 11:25:46,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 11:25:46,021 INFO L168 Benchmark]: Toolchain (without parser) took 829.21 ms. Allocated memory is still 186.6 MB. Free memory was 151.8 MB in the beginning and 142.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-05-06 11:25:46,023 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 186.6 MB. Free memory is still 168.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 11:25:46,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.51 ms. Allocated memory is still 186.6 MB. Free memory was 151.6 MB in the beginning and 169.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-05-06 11:25:46,025 INFO L168 Benchmark]: Boogie Preprocessor took 31.75 ms. Allocated memory is still 186.6 MB. Free memory was 169.8 MB in the beginning and 168.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 11:25:46,026 INFO L168 Benchmark]: RCFGBuilder took 283.13 ms. Allocated memory is still 186.6 MB. Free memory was 168.3 MB in the beginning and 155.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-05-06 11:25:46,027 INFO L168 Benchmark]: TraceAbstraction took 320.73 ms. Allocated memory is still 186.6 MB. Free memory was 155.5 MB in the beginning and 142.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-06 11:25:46,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 186.6 MB. Free memory is still 168.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 186.51 ms. Allocated memory is still 186.6 MB. Free memory was 151.6 MB in the beginning and 169.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.75 ms. Allocated memory is still 186.6 MB. Free memory was 169.8 MB in the beginning and 168.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 283.13 ms. Allocated memory is still 186.6 MB. Free memory was 168.3 MB in the beginning and 155.8 MB in the end (delta: 12.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 320.73 ms. Allocated memory is still 186.6 MB. Free memory was 155.5 MB in the beginning and 142.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14] unsigned int x = __VERIFIER_nondet_uint(); [L16] COND FALSE !(x < 0x0fffffff) [L20] CALL __VERIFIER_assert(x > 0x0fffffff) [L7] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 229.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 12.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...