/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:27:25,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:27:25,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:27:25,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:27:25,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:27:25,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:27:25,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:27:25,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:27:25,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:27:25,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:27:25,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:27:25,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:27:25,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:27:25,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:27:25,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:27:25,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:27:25,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:27:25,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:27:25,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:27:25,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:27:25,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:27:25,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:27:25,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:27:25,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:27:25,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 15:27:25,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:27:25,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:27:25,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:27:25,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:27:25,857 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:27:25,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:27:25,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:27:25,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:27:25,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:27:25,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:27:25,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:27:25,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:27:25,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:27:25,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:27:25,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:27:25,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:27:25,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:27:25,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:27:25,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:27:25,862 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:27:25,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:27:25,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:27:25,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:25,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:27:25,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:27:25,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:27:25,863 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 [2020-07-07 15:27:26,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:27:26,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:27:26,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:27:26,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:27:26,165 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:27:26,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-07-07 15:27:26,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412982ab6/ee32df1a4e0b4679b96d5756618c108e/FLAGc5d41134c [2020-07-07 15:27:26,688 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:27:26,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-07-07 15:27:26,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412982ab6/ee32df1a4e0b4679b96d5756618c108e/FLAGc5d41134c [2020-07-07 15:27:27,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/412982ab6/ee32df1a4e0b4679b96d5756618c108e [2020-07-07 15:27:27,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:27:27,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:27:27,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:27,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:27:27,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:27:27,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e77683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27, skipping insertion in model container [2020-07-07 15:27:27,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:27:27,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:27:27,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:27,294 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:27:27,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:27,336 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:27:27,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27 WrapperNode [2020-07-07 15:27:27,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:27,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:27:27,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:27:27,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:27:27,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (1/1) ... [2020-07-07 15:27:27,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:27:27,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:27:27,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:27:27,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:27:27,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (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 [2020-07-07 15:27:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:27:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:27:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:27:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:27:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:27:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 15:27:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:27:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:27:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:27:27,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:27:27,899 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:27:27,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:27 BoogieIcfgContainer [2020-07-07 15:27:27,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:27:27,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:27:27,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:27:27,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:27:27,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:27:27" (1/3) ... [2020-07-07 15:27:27,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efc978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:27, skipping insertion in model container [2020-07-07 15:27:27,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:27" (2/3) ... [2020-07-07 15:27:27,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22efc978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:27, skipping insertion in model container [2020-07-07 15:27:27,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:27" (3/3) ... [2020-07-07 15:27:27,912 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2020-07-07 15:27:27,923 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:27:27,931 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:27:27,944 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:27:27,964 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:27:27,965 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:27:27,965 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:27:27,965 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:27:27,965 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:27:27,965 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:27:27,966 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:27:27,966 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:27:27,983 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-07-07 15:27:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-07-07 15:27:27,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:27:27,996 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:27:27,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:27:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:27:28,003 INFO L82 PathProgramCache]: Analyzing trace with hash 421001685, now seen corresponding path program 1 times [2020-07-07 15:27:28,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:27:28,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303233639] [2020-07-07 15:27:28,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:27:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-07-07 15:27:30,127 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-07 15:27:30,127 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 15:27:30,148 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-07 15:27:30,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 03:27:30 BoogieIcfgContainer [2020-07-07 15:27:30,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 15:27:30,151 INFO L168 Benchmark]: Toolchain (without parser) took 3095.64 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 147.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,152 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 143.7 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.35 ms. Allocated memory is still 143.7 MB. Free memory was 100.3 MB in the beginning and 89.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,154 INFO L168 Benchmark]: Boogie Preprocessor took 117.61 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 89.6 MB in the beginning and 179.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,155 INFO L168 Benchmark]: RCFGBuilder took 448.74 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 158.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,156 INFO L168 Benchmark]: TraceAbstraction took 2243.96 ms. Allocated memory is still 200.8 MB. Free memory was 157.9 MB in the beginning and 147.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:30,160 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 143.7 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.35 ms. Allocated memory is still 143.7 MB. Free memory was 100.3 MB in the beginning and 89.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.61 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 89.6 MB in the beginning and 179.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 448.74 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 158.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2243.96 ms. Allocated memory is still 200.8 MB. Free memory was 157.9 MB in the beginning and 147.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 95]: 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: [L1] int __return_main; [L6] int __tmp_31_0; [L7] int __tmp_28_0; [L8] int __return_65; [L9] int __tmp_22_0; [L10] int __tmp_22_1; [L11] int __tmp_25_0; [L12] int __tmp_25_1; [L15] unsigned int main__x; [L16] unsigned int main__y = 1; [L18] int main____CPAchecker_TMP_0; [L19] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L20] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L22] COND TRUE (main__x % 3) == 1 [L24] main__x = main__x + 2 [L25] main__y = 0 [L26] __tmp_31_0 = main____CPAchecker_TMP_0 [L28] main____CPAchecker_TMP_0 = __tmp_31_0 [L41] int main____CPAchecker_TMP_0; [L42] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L43] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L86] COND TRUE main__y == 0 [L89] int __tmp_1; [L90] __tmp_1 = (main__x % 3) == 0 [L91] int __VERIFIER_assert__cond; [L92] __VERIFIER_assert__cond = __tmp_1 [L93] COND TRUE __VERIFIER_assert__cond == 0 [L95] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.1s, 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=89occurred 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, 2.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...