/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:16:37,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:16:37,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:16:37,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 00:16:37,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:16:37,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:16:37,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:16:37,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:16:37,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:16:37,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:16:37,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:16:37,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:16:37,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:16:37,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:16:37,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:16:37,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:16:37,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:16:37,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:16:37,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:16:37,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:16:37,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:16:37,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:16:37,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:16:37,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:16:37,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:16:37,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:16:37,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:16:37,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:16:37,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:16:37,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:16:37,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:16:37,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:16:37,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:16:37,591 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:16:37,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:16:37,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:16:37,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:16:37,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:16:37,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:16:37,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:16:37,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:16:37,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:16:38,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:16:38,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:16:38,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:16:38,015 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:16:38,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2021-02-24 00:16:38,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52e2a3a/81a8a4543f7b48089abae08cd769ede7/FLAGeff41bf0c [2021-02-24 00:16:38,692 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:16:38,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2021-02-24 00:16:38,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52e2a3a/81a8a4543f7b48089abae08cd769ede7/FLAGeff41bf0c [2021-02-24 00:16:39,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52e2a3a/81a8a4543f7b48089abae08cd769ede7 [2021-02-24 00:16:39,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:16:39,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:16:39,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:39,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:16:39,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:16:39,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696cffbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39, skipping insertion in model container [2021-02-24 00:16:39,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:16:39,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:16:39,298 WARN L226 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] [2021-02-24 00:16:39,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:39,327 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:16:39,342 WARN L226 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] [2021-02-24 00:16:39,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:39,368 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:16:39,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39 WrapperNode [2021-02-24 00:16:39,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:39,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:16:39,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:16:39,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:16:39,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (1/1) ... [2021-02-24 00:16:39,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:16:39,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:16:39,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:16:39,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:16:39,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (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 [2021-02-24 00:16:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:16:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:16:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:16:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:16:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:16:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:16:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:16:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:16:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:16:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:16:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:16:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:16:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:16:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:16:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:16:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:16:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:16:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:16:40,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:16:40,134 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-02-24 00:16:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:40 BoogieIcfgContainer [2021-02-24 00:16:40,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:16:40,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:16:40,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:16:40,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:16:40,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:16:39" (1/3) ... [2021-02-24 00:16:40,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b47d04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:40, skipping insertion in model container [2021-02-24 00:16:40,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:39" (2/3) ... [2021-02-24 00:16:40,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b47d04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:40, skipping insertion in model container [2021-02-24 00:16:40,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:40" (3/3) ... [2021-02-24 00:16:40,146 INFO L111 eAbstractionObserver]: Analyzing ICFG matrix-1.c [2021-02-24 00:16:40,153 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:16:40,159 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:16:40,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:16:40,204 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:16:40,205 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:16:40,205 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:16:40,205 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:16:40,205 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:16:40,205 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:16:40,205 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:16:40,206 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:16:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2021-02-24 00:16:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-02-24 00:16:40,233 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:40,234 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, 1, 1, 1, 1, 1, 1] [2021-02-24 00:16:40,234 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:40,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1050719278, now seen corresponding path program 1 times [2021-02-24 00:16:40,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:40,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355190122] [2021-02-24 00:16:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:40,379 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-02-24 00:16:40,379 WARN L167 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2021-02-24 00:16:40,380 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 00:16:40,385 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:16:40,402 WARN L227 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2021-02-24 00:16:40,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:16:40 BoogieIcfgContainer [2021-02-24 00:16:40,403 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:16:40,406 INFO L168 Benchmark]: Toolchain (without parser) took 1324.26 ms. Allocated memory is still 177.2 MB. Free memory was 152.9 MB in the beginning and 145.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:40,407 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 177.2 MB. Free memory was 151.2 MB in the beginning and 150.8 MB in the end (delta: 414.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:16:40,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.23 ms. Allocated memory is still 177.2 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 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:40,409 INFO L168 Benchmark]: Boogie Preprocessor took 43.60 ms. Allocated memory is still 177.2 MB. Free memory was 142.2 MB in the beginning and 140.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:40,410 INFO L168 Benchmark]: RCFGBuilder took 721.64 ms. Allocated memory is still 177.2 MB. Free memory was 140.6 MB in the beginning and 157.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:40,411 INFO L168 Benchmark]: TraceAbstraction took 264.44 ms. Allocated memory is still 177.2 MB. Free memory was 157.0 MB in the beginning and 145.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:40,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 177.2 MB. Free memory was 151.2 MB in the beginning and 150.8 MB in the end (delta: 414.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 274.23 ms. Allocated memory is still 177.2 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 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.60 ms. Allocated memory is still 177.2 MB. Free memory was 142.2 MB in the beginning and 140.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 721.64 ms. Allocated memory is still 177.2 MB. Free memory was 140.6 MB in the beginning and 157.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 264.44 ms. Allocated memory is still 177.2 MB. Free memory was 157.0 MB in the beginning and 145.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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