/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 0.2.1-dev-b7b32d2 [2021-02-22 00:22:06,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:22:06,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:22:07,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 00:22:07,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:22:07,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:22:07,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:22:07,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:22:07,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:22:07,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:22:07,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:22:07,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:22:07,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:22:07,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:22:07,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:22:07,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:22:07,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 00:22:07,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:22:07,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:22:07,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:22:07,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:22:07,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:22:07,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:22:07,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:22:07,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:22:07,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:22:07,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:22:07,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:22:07,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:22:07,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:22:07,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:22:07,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:22:07,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:22:07,179 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:22:07,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:22:07,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:22:07,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:22:07,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:22:07,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:22:07,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:22:07,180 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:22:07,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:22:07,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:22:07,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:22:07,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:22:07,621 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:22:07,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2021-02-22 00:22:07,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23a4dfcd/28c0177db2724fb88897928aa705c31e/FLAG03caa8de9 [2021-02-22 00:22:08,410 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:22:08,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2021-02-22 00:22:08,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23a4dfcd/28c0177db2724fb88897928aa705c31e/FLAG03caa8de9 [2021-02-22 00:22:08,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23a4dfcd/28c0177db2724fb88897928aa705c31e [2021-02-22 00:22:08,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:22:08,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:22:08,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:22:08,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:22:08,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:22:08,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:22:08" (1/1) ... [2021-02-22 00:22:08,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa789ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:08, skipping insertion in model container [2021-02-22 00:22:08,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:22:08" (1/1) ... [2021-02-22 00:22:08,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:22:08,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:22:08,986 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c[327,340] [2021-02-22 00:22:09,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:22:09,013 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:22:09,028 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c[327,340] [2021-02-22 00:22:09,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:22:09,051 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:22:09,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09 WrapperNode [2021-02-22 00:22:09,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:22:09,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:22:09,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:22:09,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:22:09,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (1/1) ... [2021-02-22 00:22:09,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:22:09,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:22:09,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:22:09,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:22:09,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (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 [2021-02-22 00:22:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:22:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:22:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:22:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 00:22:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:22:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:22:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:22:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:22:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:22:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 00:22:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:22:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-22 00:22:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:22:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:22:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:22:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:22:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:22:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:22:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:22:09,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:22:09,723 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 00:22:09,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:22:09 BoogieIcfgContainer [2021-02-22 00:22:09,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:22:09,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:22:09,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:22:09,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:22:09,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:22:08" (1/3) ... [2021-02-22 00:22:09,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665dd763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:22:09, skipping insertion in model container [2021-02-22 00:22:09,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:22:09" (2/3) ... [2021-02-22 00:22:09,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665dd763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:22:09, skipping insertion in model container [2021-02-22 00:22:09,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:22:09" (3/3) ... [2021-02-22 00:22:09,752 INFO L111 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2021-02-22 00:22:09,780 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:22:09,785 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:22:09,807 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:22:09,858 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:22:09,859 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:22:09,859 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:22:09,859 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:22:09,859 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:22:09,859 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:22:09,860 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:22:09,860 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:22:09,886 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2021-02-22 00:22:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-22 00:22:09,901 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:22:09,903 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] [2021-02-22 00:22:09,903 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:22:09,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:22:09,914 INFO L82 PathProgramCache]: Analyzing trace with hash 729622189, now seen corresponding path program 1 times [2021-02-22 00:22:09,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:22:09,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1757272656] [2021-02-22 00:22:09,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:22:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 00:22:10,114 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 00:22:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 00:22:10,182 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 00:22:10,249 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 00:22:10,250 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 00:22:10,251 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:22:10,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 12:22:10 BoogieIcfgContainer [2021-02-22 00:22:10,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 00:22:10,319 INFO L168 Benchmark]: Toolchain (without parser) took 1543.61 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 117.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:22:10,322 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:22:10,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-22 00:22:10,329 INFO L168 Benchmark]: Boogie Preprocessor took 43.31 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 114.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:22:10,330 INFO L168 Benchmark]: RCFGBuilder took 634.35 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 98.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-22 00:22:10,331 INFO L168 Benchmark]: TraceAbstraction took 579.13 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 117.7 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:22:10,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 259.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.31 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 114.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 634.35 ms. Allocated memory is still 151.0 MB. Free memory was 114.0 MB in the beginning and 98.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 579.13 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 117.7 MB in the end (delta: -19.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L16] int x=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, x=0] [L17] int y=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, x=0, y=0] [L18] int z=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, x=0, y=0, z=0] [L20] COND FALSE !(x<100 && 100