/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 --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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 23:10:25,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 23:10:25,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 23:10:25,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 23:10:25,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 23:10:25,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 23:10:25,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 23:10:25,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 23:10:25,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 23:10:25,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 23:10:25,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 23:10:25,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 23:10:25,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 23:10:25,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 23:10:25,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 23:10:25,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 23:10:25,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 23:10:25,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 23:10:25,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 23:10:25,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 23:10:25,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 23:10:25,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 23:10:25,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 23:10:25,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 23:10:25,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 23:10:25,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 23:10:25,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 23:10:25,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 23:10:25,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 23:10:25,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 23:10:25,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 23:10:25,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 23:10:25,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 23:10:25,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 23:10:25,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 23:10:25,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 23:10:25,128 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 23:10:25,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 23:10:25,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 23:10:25,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 23:10:25,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 23:10:25,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 23:10:25,169 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 23:10:25,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 23:10:25,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 23:10:25,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 23:10:25,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 23:10:25,170 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 23:10:25,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 23:10:25,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 23:10:25,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 23:10:25,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 23:10:25,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 23:10:25,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 23:10:25,171 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 23:10:25,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 23:10:25,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 23:10:25,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 23:10:25,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 23:10:25,640 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 23:10:25,641 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-2.c [2020-09-04 23:10:25,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/930532950/07f965366f4a4c368e885447ce4bdb8c/FLAG9c7b497ae [2020-09-04 23:10:26,274 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 23:10:26,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/matrix-2.c [2020-09-04 23:10:26,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/930532950/07f965366f4a4c368e885447ce4bdb8c/FLAG9c7b497ae [2020-09-04 23:10:26,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/930532950/07f965366f4a4c368e885447ce4bdb8c [2020-09-04 23:10:26,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 23:10:26,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 23:10:26,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 23:10:26,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 23:10:26,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 23:10:26,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:26,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683cf205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26, skipping insertion in model container [2020-09-04 23:10:26,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:26,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 23:10:26,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 23:10:26,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:10:26,924 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 23:10:26,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:10:26,971 INFO L208 MainTranslator]: Completed translation [2020-09-04 23:10:26,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26 WrapperNode [2020-09-04 23:10:26,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 23:10:26,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 23:10:26,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 23:10:26,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 23:10:27,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (1/1) ... [2020-09-04 23:10:27,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 23:10:27,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 23:10:27,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 23:10:27,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 23:10:27,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (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 23:10:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 23:10:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 23:10:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 23:10:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 23:10:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 23:10:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 23:10:27,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 23:10:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 23:10:27,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 23:10:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 23:10:27,565 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 23:10:27,565 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-04 23:10:27,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:10:27 BoogieIcfgContainer [2020-09-04 23:10:27,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 23:10:27,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 23:10:27,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 23:10:27,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 23:10:27,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:10:26" (1/3) ... [2020-09-04 23:10:27,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f9a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:10:27, skipping insertion in model container [2020-09-04 23:10:27,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:10:26" (2/3) ... [2020-09-04 23:10:27,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205f9a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:10:27, skipping insertion in model container [2020-09-04 23:10:27,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:10:27" (3/3) ... [2020-09-04 23:10:27,580 INFO L109 eAbstractionObserver]: Analyzing ICFG matrix-2.c [2020-09-04 23:10:27,592 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 23:10:27,602 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 23:10:27,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 23:10:27,645 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 23:10:27,645 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 23:10:27,645 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 23:10:27,645 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 23:10:27,645 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 23:10:27,646 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 23:10:27,646 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 23:10:27,646 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 23:10:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-09-04 23:10:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-04 23:10:27,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:10:27,675 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, 1] [2020-09-04 23:10:27,676 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:10:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:10:27,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1292931923, now seen corresponding path program 1 times [2020-09-04 23:10:27,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:10:27,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419775534] [2020-09-04 23:10:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:10:27,793 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-04 23:10:27,793 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-04 23:10:27,793 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 23:10:27,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 23:10:27,816 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-04 23:10:27,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:10:27 BoogieIcfgContainer [2020-09-04 23:10:27,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 23:10:27,820 INFO L168 Benchmark]: Toolchain (without parser) took 1182.87 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 104.6 MB in the beginning and 149.8 MB in the end (delta: -45.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2020-09-04 23:10:27,821 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 23:10:27,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 93.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-04 23:10:27,824 INFO L168 Benchmark]: Boogie Preprocessor took 124.49 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 93.6 MB in the beginning and 180.8 MB in the end (delta: -87.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 23:10:27,825 INFO L168 Benchmark]: RCFGBuilder took 473.98 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 161.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2020-09-04 23:10:27,826 INFO L168 Benchmark]: TraceAbstraction took 244.85 ms. Allocated memory is still 203.4 MB. Free memory was 161.1 MB in the beginning and 149.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-09-04 23:10:27,832 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.23 ms. Allocated memory is still 140.0 MB. Free memory was 104.4 MB in the beginning and 93.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.49 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 93.6 MB in the beginning and 180.8 MB in the end (delta: -87.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 473.98 ms. Allocated memory is still 203.4 MB. Free memory was 180.8 MB in the beginning and 161.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 244.85 ms. Allocated memory is still 203.4 MB. Free memory was 161.1 MB in the beginning and 149.8 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] unsigned int N_LIN=__VERIFIER_nondet_uint(); [L15] unsigned int N_COL=__VERIFIER_nondet_uint(); [L16] unsigned int j,k; [L17] int matriz[N_COL][N_LIN], maior; [L19] maior = __VERIFIER_nondet_int() [L20] j=0 [L20] COND FALSE !(j