/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/ldv-regression/test02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:26:33,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:26:33,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:26:33,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:26:33,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:26:33,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:26:33,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:26:33,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:26:33,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:26:33,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:26:33,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:26:33,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:26:33,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:26:33,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:26:33,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:26:33,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:26:33,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:26:33,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:26:33,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:26:33,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:26:33,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:26:33,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:26:33,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:26:33,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:26:33,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 17:26:33,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:26:33,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:26:33,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:26:33,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:26:33,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:26:33,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:26:33,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:26:33,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:26:33,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:26:33,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:26:33,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:26:33,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:26:33,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:26:33,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:26:33,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:26:33,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:26:33,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:26:33,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:26:33,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:26:33,968 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:26:33,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:26:33,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:26:33,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:26:33,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:26:33,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:26:33,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:26:33,970 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 [2020-07-17 17:26:34,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:26:34,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:26:34,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:26:34,296 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:26:34,296 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:26:34,297 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2020-07-17 17:26:34,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b21015f50/046379f8b4ff49358d11416e5de464c8/FLAG229b4d093 [2020-07-17 17:26:34,980 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:26:34,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test02.c [2020-07-17 17:26:34,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b21015f50/046379f8b4ff49358d11416e5de464c8/FLAG229b4d093 [2020-07-17 17:26:35,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b21015f50/046379f8b4ff49358d11416e5de464c8 [2020-07-17 17:26:35,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:26:35,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:26:35,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:26:35,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:26:35,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:26:35,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581710b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35, skipping insertion in model container [2020-07-17 17:26:35,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:26:35,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:26:35,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:26:35,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:26:35,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:26:35,644 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:26:35,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35 WrapperNode [2020-07-17 17:26:35,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:26:35,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:26:35,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:26:35,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:26:35,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (1/1) ... [2020-07-17 17:26:35,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:26:35,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:26:35,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:26:35,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:26:35,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (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 [2020-07-17 17:26:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:26:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:26:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:26:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:26:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:26:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 17:26:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 17:26:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:26:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:26:36,112 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:26:36,112 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 17:26:36,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:26:36 BoogieIcfgContainer [2020-07-17 17:26:36,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:26:36,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:26:36,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:26:36,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:26:36,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:26:35" (1/3) ... [2020-07-17 17:26:36,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ac5b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:26:36, skipping insertion in model container [2020-07-17 17:26:36,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:26:35" (2/3) ... [2020-07-17 17:26:36,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ac5b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:26:36, skipping insertion in model container [2020-07-17 17:26:36,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:26:36" (3/3) ... [2020-07-17 17:26:36,134 INFO L109 eAbstractionObserver]: Analyzing ICFG test02.c [2020-07-17 17:26:36,160 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:26:36,195 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:26:36,227 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:26:36,288 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:26:36,297 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:26:36,298 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:26:36,298 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:26:36,300 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:26:36,301 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:26:36,301 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:26:36,301 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:26:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-07-17 17:26:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-17 17:26:36,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:26:36,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:26:36,340 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:26:36,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:26:36,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1668412473, now seen corresponding path program 1 times [2020-07-17 17:26:36,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:26:36,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406266840] [2020-07-17 17:26:36,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:26:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:26:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 17:26:36,501 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 17:26:36,502 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 17:26:36,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:26:36,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 05:26:36 BoogieIcfgContainer [2020-07-17 17:26:36,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 17:26:36,541 INFO L168 Benchmark]: Toolchain (without parser) took 1166.46 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 102.0 MB in the beginning and 154.5 MB in the end (delta: -52.5 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,543 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 142.6 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.00 ms. Allocated memory is still 142.6 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,546 INFO L168 Benchmark]: Boogie Preprocessor took 169.94 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 92.3 MB in the beginning and 180.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,547 INFO L168 Benchmark]: RCFGBuilder took 300.83 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 167.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,548 INFO L168 Benchmark]: TraceAbstraction took 418.44 ms. Allocated memory is still 201.9 MB. Free memory was 167.0 MB in the beginning and 154.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-07-17 17:26:36,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 142.6 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.00 ms. Allocated memory is still 142.6 MB. Free memory was 101.6 MB in the beginning and 92.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.94 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 92.3 MB in the beginning and 180.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.83 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 167.7 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 418.44 ms. Allocated memory is still 201.9 MB. Free memory was 167.0 MB in the beginning and 154.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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; VAL [\old(q)=6, q=0] [L7] int a, b; VAL [\old(q)=0, a={2:0}, q=0] [L8] int *p1 = &a; VAL [\old(q)=0, a={2:0}, p1={2:0}, q=0] [L9] int *p2 = p1; VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] [L11] q = 0 VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] [L13] COND TRUE p1 == p2 VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] [L19] __VERIFIER_error() VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] - 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...