/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 0.1.25-72570d3 [2020-08-22 19:05:06,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:05:06,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:05:06,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:05:06,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:05:06,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:05:06,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:05:06,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:05:06,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:05:06,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:05:06,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:05:06,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:05:06,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:05:06,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:05:06,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:05:06,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:05:06,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:05:06,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:05:06,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:05:06,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:05:06,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:05:06,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:05:06,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:05:06,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:05:06,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:05:06,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:05:06,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:05:06,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:05:06,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:05:06,556 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:05:06,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:05:06,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:05:06,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:05:06,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:05:06,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:05:06,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:05:06,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:05:06,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:05:06,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:05:06,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:05:06,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:05:06,559 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:05:06,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:05:06,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:05:06,560 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:05:06,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:05:06,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:05:06,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:05:06,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:05:06,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:05:06,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:05:06,561 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:05:06,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:05:06,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:05:06,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:05:06,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:05:06,890 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:05:06,891 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2020-08-22 19:05:06,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d1396a9/f0b0646eccfc445899b8e66ffd6bcf98/FLAG87b54f37d [2020-08-22 19:05:07,326 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:05:07,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test02.c [2020-08-22 19:05:07,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d1396a9/f0b0646eccfc445899b8e66ffd6bcf98/FLAG87b54f37d [2020-08-22 19:05:07,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9d1396a9/f0b0646eccfc445899b8e66ffd6bcf98 [2020-08-22 19:05:07,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:05:07,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:05:07,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:05:07,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:05:07,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:05:07,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243026c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07, skipping insertion in model container [2020-08-22 19:05:07,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:05:07,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:05:07,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:05:07,916 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:05:07,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:05:07,953 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:05:07,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07 WrapperNode [2020-08-22 19:05:07,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:05:07,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:05:07,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:05:07,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:05:07,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (1/1) ... [2020-08-22 19:05:07,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:05:07,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:05:07,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:05:07,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:05:07,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (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 [2020-08-22 19:05:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:05:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:05:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:05:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:05:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:05:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:05:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:05:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:05:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:05:08,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:05:08,386 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 19:05:08,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:08 BoogieIcfgContainer [2020-08-22 19:05:08,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:05:08,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:05:08,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:05:08,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:05:08,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:05:07" (1/3) ... [2020-08-22 19:05:08,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c90636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:05:08, skipping insertion in model container [2020-08-22 19:05:08,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:07" (2/3) ... [2020-08-22 19:05:08,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c90636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:05:08, skipping insertion in model container [2020-08-22 19:05:08,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:08" (3/3) ... [2020-08-22 19:05:08,397 INFO L109 eAbstractionObserver]: Analyzing ICFG test02.c [2020-08-22 19:05:08,408 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:05:08,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:05:08,465 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:05:08,520 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:05:08,520 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:05:08,520 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:05:08,521 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:05:08,524 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:05:08,524 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:05:08,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:05:08,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:05:08,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-08-22 19:05:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-22 19:05:08,551 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:05:08,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:05:08,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:05:08,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:05:08,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1668412473, now seen corresponding path program 1 times [2020-08-22 19:05:08,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:05:08,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716097803] [2020-08-22 19:05:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:05:08,627 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:05:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:05:08,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:05:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:05:08,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:05:08,716 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 19:05:08,717 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 19:05:08,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:05:08,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:05:08 BoogieIcfgContainer [2020-08-22 19:05:08,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:05:08,736 INFO L168 Benchmark]: Toolchain (without parser) took 1022.51 ms. Allocated memory was 140.0 MB in the beginning and 207.6 MB in the end (delta: 67.6 MB). Free memory was 104.1 MB in the beginning and 160.2 MB in the end (delta: -56.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,737 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.12 ms. Allocated memory is still 140.0 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,739 INFO L168 Benchmark]: Boogie Preprocessor took 35.51 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,740 INFO L168 Benchmark]: RCFGBuilder took 399.09 ms. Allocated memory was 140.0 MB in the beginning and 207.6 MB in the end (delta: 67.6 MB). Free memory was 92.8 MB in the beginning and 174.4 MB in the end (delta: -81.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,741 INFO L168 Benchmark]: TraceAbstraction took 341.56 ms. Allocated memory is still 207.6 MB. Free memory was 173.8 MB in the beginning and 160.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:08,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.12 ms. Allocated memory is still 140.0 MB. Free memory was 103.7 MB in the beginning and 94.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.51 ms. Allocated memory is still 140.0 MB. Free memory was 94.4 MB in the beginning and 93.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 399.09 ms. Allocated memory was 140.0 MB in the beginning and 207.6 MB in the end (delta: 67.6 MB). Free memory was 92.8 MB in the beginning and 174.4 MB in the end (delta: -81.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 341.56 ms. Allocated memory is still 207.6 MB. Free memory was 173.8 MB in the beginning and 160.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 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...