/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/ldv-regression/test02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:40:07,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:40:07,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:40:07,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:40:07,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:40:07,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:40:07,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:40:07,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:40:07,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:40:07,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:40:07,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:40:07,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:40:07,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:40:07,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:40:07,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:40:07,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:40:07,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:40:07,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:40:07,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:40:07,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:40:07,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:40:07,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:40:07,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:40:07,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:40:07,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:40:07,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:40:07,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:40:07,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:40:07,217 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 16:40:07,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:40:07,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:40:07,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:40:07,230 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:40:07,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:40:07,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:40:07,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:40:07,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:40:07,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:40:07,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:40:07,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:40:07,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:40:07,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:40:07,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:40:07,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:40:07,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:40:07,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:40:07,237 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:40:07,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:40:07,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:40:07,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:40:07,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:40:07,733 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:40:07,735 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2020-09-04 16:40:07,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70e95746/71f3403a80344ecbb25931fcad928490/FLAGe270a85dd [2020-09-04 16:40:08,356 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:40:08,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test02.c [2020-09-04 16:40:08,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70e95746/71f3403a80344ecbb25931fcad928490/FLAGe270a85dd [2020-09-04 16:40:08,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f70e95746/71f3403a80344ecbb25931fcad928490 [2020-09-04 16:40:08,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:40:08,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:40:08,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:08,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:40:08,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:40:08,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:08" (1/1) ... [2020-09-04 16:40:08,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fe5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:08, skipping insertion in model container [2020-09-04 16:40:08,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:40:08" (1/1) ... [2020-09-04 16:40:08,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:40:08,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:40:08,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:08,987 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:40:09,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:40:09,024 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:40:09,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09 WrapperNode [2020-09-04 16:40:09,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:40:09,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:40:09,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:40:09,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:40:09,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (1/1) ... [2020-09-04 16:40:09,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:40:09,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:40:09,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:40:09,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:40:09,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (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 16:40:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:40:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:40:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:40:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:40:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:40:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:40:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:40:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:40:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:40:09,435 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:40:09,436 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:40:09,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:09 BoogieIcfgContainer [2020-09-04 16:40:09,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:40:09,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:40:09,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:40:09,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:40:09,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:40:08" (1/3) ... [2020-09-04 16:40:09,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a31f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:09, skipping insertion in model container [2020-09-04 16:40:09,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:40:09" (2/3) ... [2020-09-04 16:40:09,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a31f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:40:09, skipping insertion in model container [2020-09-04 16:40:09,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:40:09" (3/3) ... [2020-09-04 16:40:09,451 INFO L109 eAbstractionObserver]: Analyzing ICFG test02.c [2020-09-04 16:40:09,462 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:40:09,472 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:40:09,496 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:40:09,563 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:40:09,563 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:40:09,563 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:40:09,563 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:40:09,563 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:40:09,568 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:40:09,569 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:40:09,569 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:40:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-09-04 16:40:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-04 16:40:09,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:40:09,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:40:09,626 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:40:09,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:40:09,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1668412473, now seen corresponding path program 1 times [2020-09-04 16:40:09,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:40:09,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145459179] [2020-09-04 16:40:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:40:09,710 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:40:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:40:09,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:40:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:40:09,792 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:40:09,822 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:40:09,823 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:40:09,823 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:40:09,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:40:09 BoogieIcfgContainer [2020-09-04 16:40:09,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:40:09,848 INFO L168 Benchmark]: Toolchain (without parser) took 1125.22 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 104.7 MB in the beginning and 155.8 MB in the end (delta: -51.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,849 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.86 ms. Allocated memory is still 147.3 MB. Free memory was 104.5 MB in the beginning and 95.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,852 INFO L168 Benchmark]: Boogie Preprocessor took 114.24 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 95.0 MB in the beginning and 182.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,853 INFO L168 Benchmark]: RCFGBuilder took 300.82 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 169.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,853 INFO L168 Benchmark]: TraceAbstraction took 402.07 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 155.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:40:09,858 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 122.9 MB in the beginning and 122.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.86 ms. Allocated memory is still 147.3 MB. Free memory was 104.5 MB in the beginning and 95.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.24 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 95.0 MB in the beginning and 182.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.82 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 169.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 402.07 ms. Allocated memory is still 203.9 MB. Free memory was 169.0 MB in the beginning and 155.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] int q; [L7] int a, b; [L8] int *p1 = &a; [L9] int *p2 = p1; [L11] q = 0 [L13] COND TRUE p1 == p2 [L19] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 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=26occurred 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...