/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 17:45:45,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 17:45:45,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 17:45:45,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 17:45:45,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 17:45:45,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 17:45:45,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 17:45:45,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 17:45:45,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 17:45:45,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 17:45:45,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 17:45:45,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 17:45:45,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 17:45:45,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 17:45:45,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 17:45:45,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 17:45:45,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 17:45:45,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 17:45:45,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 17:45:45,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 17:45:45,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 17:45:45,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 17:45:45,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 17:45:45,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 17:45:45,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 17:45:45,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 17:45:45,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 17:45:45,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 17:45:45,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 17:45:45,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 17:45:45,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 17:45:45,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 17:45:45,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 17:45:45,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 17:45:45,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 17:45:45,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 17:45:45,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 17:45:45,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 17:45:45,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 17:45:45,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 17:45:45,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 17:45:45,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 17:45:45,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 17:45:45,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 17:45:45,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 17:45:45,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 17:45:45,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 17:45:45,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 17:45:45,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 17:45:45,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 17:45:45,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 17:45:45,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 17:45:45,977 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 17:45:45,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 17:45:45,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 17:45:45,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:45:45,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 17:45:45,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 17:45:45,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 17:45:45,979 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 17:45:46,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 17:45:46,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 17:45:46,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 17:45:46,494 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 17:45:46,495 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 17:45:46,496 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2020-09-04 17:45:46,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8e34e66/df4bec23038f46fb8b269a10a2f37220/FLAG3d2db8684 [2020-09-04 17:45:47,131 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 17:45:47,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/trex03-1.c [2020-09-04 17:45:47,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8e34e66/df4bec23038f46fb8b269a10a2f37220/FLAG3d2db8684 [2020-09-04 17:45:47,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c8e34e66/df4bec23038f46fb8b269a10a2f37220 [2020-09-04 17:45:47,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 17:45:47,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 17:45:47,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 17:45:47,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 17:45:47,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 17:45:47,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5957f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47, skipping insertion in model container [2020-09-04 17:45:47,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 17:45:47,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 17:45:47,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:45:47,792 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 17:45:47,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:45:47,834 INFO L208 MainTranslator]: Completed translation [2020-09-04 17:45:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47 WrapperNode [2020-09-04 17:45:47,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 17:45:47,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 17:45:47,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 17:45:47,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 17:45:47,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... [2020-09-04 17:45:47,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 17:45:47,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 17:45:47,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 17:45:47,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 17:45:47,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:45:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 17:45:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 17:45:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 17:45:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 17:45:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 17:45:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 17:45:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-04 17:45:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-04 17:45:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 17:45:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 17:45:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 17:45:48,327 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 17:45:48,327 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 17:45:48,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:45:48 BoogieIcfgContainer [2020-09-04 17:45:48,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 17:45:48,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 17:45:48,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 17:45:48,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 17:45:48,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:45:47" (1/3) ... [2020-09-04 17:45:48,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6e47e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:45:48, skipping insertion in model container [2020-09-04 17:45:48,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:45:47" (2/3) ... [2020-09-04 17:45:48,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6e47e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:45:48, skipping insertion in model container [2020-09-04 17:45:48,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:45:48" (3/3) ... [2020-09-04 17:45:48,345 INFO L109 eAbstractionObserver]: Analyzing ICFG trex03-1.c [2020-09-04 17:45:48,357 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 17:45:48,368 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 17:45:48,389 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 17:45:48,416 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 17:45:48,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 17:45:48,417 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 17:45:48,417 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 17:45:48,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 17:45:48,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 17:45:48,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 17:45:48,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 17:45:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-09-04 17:45:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-04 17:45:48,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:45:48,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:45:48,450 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:45:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:45:48,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1978237477, now seen corresponding path program 1 times [2020-09-04 17:45:48,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:45:48,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078138372] [2020-09-04 17:45:48,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:45:48,542 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:45:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 17:45:48,612 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 17:45:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 17:45:48,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 17:45:48,661 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 17:45:48,661 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 17:45:48,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 17:45:48,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 05:45:48 BoogieIcfgContainer [2020-09-04 17:45:48,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 17:45:48,688 INFO L168 Benchmark]: Toolchain (without parser) took 1171.84 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 101.3 MB in the beginning and 150.9 MB in the end (delta: -49.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-09-04 17:45:48,689 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 17:45:48,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.66 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-09-04 17:45:48,692 INFO L168 Benchmark]: Boogie Preprocessor took 125.56 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 91.4 MB in the beginning and 179.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-09-04 17:45:48,693 INFO L168 Benchmark]: RCFGBuilder took 372.09 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 164.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-09-04 17:45:48,694 INFO L168 Benchmark]: TraceAbstraction took 348.94 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 150.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-09-04 17:45:48,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 317.66 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 91.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.56 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 91.4 MB in the beginning and 179.0 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.09 ms. Allocated memory is still 200.3 MB. Free memory was 179.0 MB in the beginning and 164.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 348.94 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 150.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L16] unsigned int d1=1, d2=1, d3=1; [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L19] COND FALSE !(x1>0 && x2>0 && x3>0) [L28] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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: 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...