/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/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 23:01:51,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 23:01:51,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 23:01:51,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-02 23:01:51,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 23:01:51,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 23:01:51,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 23:01:51,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 23:01:51,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 23:01:51,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 23:01:51,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 23:01:51,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 23:01:51,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 23:01:51,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 23:01:51,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 23:01:51,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 23:01:51,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-02 23:01:51,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 23:01:51,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 23:01:51,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 23:01:51,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-02 23:01:51,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 23:01:51,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 23:01:51,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 23:01:51,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 23:01:51,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 23:01:51,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 23:01:51,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 23:01:51,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 23:01:51,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 23:01:51,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 23:01:51,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 23:01:51,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 23:01:51,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 23:01:51,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 23:01:51,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 23:01:51,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-02 23:01:51,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 23:01:51,354 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-02 23:01:51,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 23:01:51,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 23:01:51,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 23:01:51,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 23:01:51,680 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 23:01:51,681 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 23:01:51,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2021-05-02 23:01:51,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308705418/d8713f38b2bb4517900df29b80dd748b/FLAG63a358f27 [2021-05-02 23:01:52,100 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 23:01:52,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2021-05-02 23:01:52,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308705418/d8713f38b2bb4517900df29b80dd748b/FLAG63a358f27 [2021-05-02 23:01:52,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308705418/d8713f38b2bb4517900df29b80dd748b [2021-05-02 23:01:52,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 23:01:52,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 23:01:52,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 23:01:52,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 23:01:52,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 23:01:52,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d08ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52, skipping insertion in model container [2021-05-02 23:01:52,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 23:01:52,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 23:01:52,658 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c[320,333] [2021-05-02 23:01:52,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:01:52,677 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 23:01:52,686 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c[320,333] [2021-05-02 23:01:52,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 23:01:52,708 INFO L208 MainTranslator]: Completed translation [2021-05-02 23:01:52,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52 WrapperNode [2021-05-02 23:01:52,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 23:01:52,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 23:01:52,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 23:01:52,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 23:01:52,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (1/1) ... [2021-05-02 23:01:52,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 23:01:52,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 23:01:52,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 23:01:52,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 23:01:52,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (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 [2021-05-02 23:01:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 23:01:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 23:01:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 23:01:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 23:01:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 23:01:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 23:01:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 23:01:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 23:01:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 23:01:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 23:01:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 23:01:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 23:01:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 23:01:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 23:01:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 23:01:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 23:01:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 23:01:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 23:01:53,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 23:01:53,182 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-02 23:01:53,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:01:53 BoogieIcfgContainer [2021-05-02 23:01:53,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 23:01:53,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 23:01:53,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 23:01:53,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 23:01:53,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:01:52" (1/3) ... [2021-05-02 23:01:53,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6c2844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:01:53, skipping insertion in model container [2021-05-02 23:01:53,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:01:52" (2/3) ... [2021-05-02 23:01:53,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6c2844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:01:53, skipping insertion in model container [2021-05-02 23:01:53,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:01:53" (3/3) ... [2021-05-02 23:01:53,197 INFO L111 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2021-05-02 23:01:53,202 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-02 23:01:53,205 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 23:01:53,226 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 23:01:53,259 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 23:01:53,260 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 23:01:53,260 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-02 23:01:53,260 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 23:01:53,260 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 23:01:53,260 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 23:01:53,260 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 23:01:53,260 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 23:01:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-05-02 23:01:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-02 23:01:53,278 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 23:01:53,278 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 23:01:53,279 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 23:01:53,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 23:01:53,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1729786458, now seen corresponding path program 1 times [2021-05-02 23:01:53,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-02 23:01:53,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278317654] [2021-05-02 23:01:53,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 23:01:53,340 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-02 23:01:53,376 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2021-05-02 23:01:53,376 INFO L624 BasicCegarLoop]: Counterexample might be feasible [2021-05-02 23:01:53,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 23:01:53,400 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-05-02 23:01:53,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:01:53 BoogieIcfgContainer [2021-05-02 23:01:53,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 23:01:53,402 INFO L168 Benchmark]: Toolchain (without parser) took 869.19 ms. Allocated memory is still 216.0 MB. Free memory was 181.1 MB in the beginning and 173.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:53,402 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 216.0 MB. Free memory is still 197.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 23:01:53,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.17 ms. Allocated memory is still 216.0 MB. Free memory was 180.9 MB in the beginning and 171.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:53,404 INFO L168 Benchmark]: Boogie Preprocessor took 60.15 ms. Allocated memory is still 216.0 MB. Free memory was 171.3 MB in the beginning and 169.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:53,405 INFO L168 Benchmark]: RCFGBuilder took 412.81 ms. Allocated memory is still 216.0 MB. Free memory was 169.6 MB in the beginning and 185.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:53,405 INFO L168 Benchmark]: TraceAbstraction took 215.85 ms. Allocated memory is still 216.0 MB. Free memory was 184.8 MB in the beginning and 173.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-05-02 23:01:53,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 216.0 MB. Free memory is still 197.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 172.17 ms. Allocated memory is still 216.0 MB. Free memory was 180.9 MB in the beginning and 171.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.15 ms. Allocated memory is still 216.0 MB. Free memory was 171.3 MB in the beginning and 169.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 412.81 ms. Allocated memory is still 216.0 MB. Free memory was 169.6 MB in the beginning and 185.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 215.85 ms. Allocated memory is still 216.0 MB. Free memory was 184.8 MB in the beginning and 173.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L15] unsigned int N_LIN=1; [L16] unsigned int N_COL=1; [L17] unsigned int j,k; [L18] int matriz[N_COL][N_LIN], maior; [L20] maior = __VERIFIER_nondet_int() [L21] j=0 [L21] COND FALSE !(j