/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 23:01:36,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 23:01:36,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 23:01:36,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 23:01:36,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 23:01:36,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 23:01:36,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 23:01:36,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 23:01:36,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 23:01:36,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 23:01:36,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 23:01:36,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 23:01:36,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 23:01:36,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 23:01:36,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 23:01:36,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 23:01:36,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 23:01:36,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 23:01:36,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 23:01:36,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 23:01:36,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 23:01:36,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 23:01:36,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 23:01:36,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 23:01:36,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 23:01:36,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 23:01:36,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 23:01:36,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 23:01:36,913 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 23:01:36,923 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 23:01:36,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 23:01:36,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 23:01:36,924 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 23:01:36,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 23:01:36,926 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 23:01:36,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 23:01:36,926 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 23:01:36,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 23:01:36,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 23:01:36,927 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 23:01:36,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 23:01:36,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 23:01:36,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 23:01:36,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 23:01:36,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 23:01:36,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 23:01:36,928 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 [2020-08-22 23:01:37,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 23:01:37,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 23:01:37,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 23:01:37,251 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 23:01:37,252 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 23:01:37,252 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2020-08-22 23:01:37,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef979266/0e4725d7adfc470a95e5a1f925fc5c27/FLAG20141704f [2020-08-22 23:01:37,797 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 23:01:37,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2020-08-22 23:01:37,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef979266/0e4725d7adfc470a95e5a1f925fc5c27/FLAG20141704f [2020-08-22 23:01:38,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fef979266/0e4725d7adfc470a95e5a1f925fc5c27 [2020-08-22 23:01:38,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 23:01:38,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 23:01:38,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 23:01:38,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 23:01:38,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 23:01:38,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5b91dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38, skipping insertion in model container [2020-08-22 23:01:38,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 23:01:38,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 23:01:38,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:01:38,409 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 23:01:38,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:01:38,442 INFO L208 MainTranslator]: Completed translation [2020-08-22 23:01:38,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38 WrapperNode [2020-08-22 23:01:38,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 23:01:38,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 23:01:38,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 23:01:38,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 23:01:38,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (1/1) ... [2020-08-22 23:01:38,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 23:01:38,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 23:01:38,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 23:01:38,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 23:01:38,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (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 23:01:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 23:01:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 23:01:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 23:01:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 23:01:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 23:01:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 23:01:38,829 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 23:01:38,829 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 23:01:38,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:01:38 BoogieIcfgContainer [2020-08-22 23:01:38,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 23:01:38,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 23:01:38,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 23:01:38,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 23:01:38,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 11:01:38" (1/3) ... [2020-08-22 23:01:38,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc9ee89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:01:38, skipping insertion in model container [2020-08-22 23:01:38,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:38" (2/3) ... [2020-08-22 23:01:38,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc9ee89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:01:38, skipping insertion in model container [2020-08-22 23:01:38,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:01:38" (3/3) ... [2020-08-22 23:01:38,847 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2020-08-22 23:01:38,861 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 23:01:38,868 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 23:01:38,884 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 23:01:38,910 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 23:01:38,910 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 23:01:38,910 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 23:01:38,910 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 23:01:38,910 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 23:01:38,911 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 23:01:38,911 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 23:01:38,911 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 23:01:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-08-22 23:01:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-08-22 23:01:38,958 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 23:01:38,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 23:01:38,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 23:01:38,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 23:01:38,974 INFO L82 PathProgramCache]: Analyzing trace with hash 372962344, now seen corresponding path program 1 times [2020-08-22 23:01:38,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 23:01:38,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860211818] [2020-08-22 23:01:38,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 23:01:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 23:01:39,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 23:01:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 23:01:39,089 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 23:01:39,107 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 23:01:39,107 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 23:01:39,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 23:01:39,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 11:01:39 BoogieIcfgContainer [2020-08-22 23:01:39,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 23:01:39,134 INFO L168 Benchmark]: Toolchain (without parser) took 957.71 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 104.0 MB in the beginning and 156.4 MB in the end (delta: -52.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,136 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.00 ms. Allocated memory is still 146.8 MB. Free memory was 104.0 MB in the beginning and 94.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,139 INFO L168 Benchmark]: Boogie Preprocessor took 120.75 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 182.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,140 INFO L168 Benchmark]: RCFGBuilder took 270.81 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 168.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,141 INFO L168 Benchmark]: TraceAbstraction took 293.32 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 156.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2020-08-22 23:01:39,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.00 ms. Allocated memory is still 146.8 MB. Free memory was 104.0 MB in the beginning and 94.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.75 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 94.3 MB in the beginning and 182.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.81 ms. Allocated memory is still 203.4 MB. Free memory was 182.2 MB in the beginning and 168.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 293.32 ms. Allocated memory is still 203.4 MB. Free memory was 168.0 MB in the beginning and 156.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int x=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=100, x=100] [L15] int y=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, x=100, y=0] [L16] int z=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, x=100, y=0, z=0] [L18] COND FALSE !(x<100 && 100