/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/recursive/McCarthy91-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:50:45,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:50:45,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:50:45,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:50:45,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:50:45,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:50:45,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:50:45,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:50:45,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:50:45,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:50:45,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:50:45,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:50:45,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:50:45,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:50:45,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:50:45,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:50:45,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:50:45,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:50:45,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:50:45,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:50:45,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:50:45,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:50:45,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:50:45,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:50:45,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 04:50:45,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:50:45,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:50:45,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:50:45,179 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:50:45,197 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:50:45,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:50:45,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:50:45,199 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:50:45,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:50:45,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:50:45,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:50:45,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:50:45,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:50:45,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:50:45,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:50:45,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:50:45,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:50:45,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:50:45,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:50:45,202 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:50:45,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:50:45,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:50:45,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:50:45,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:50:45,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:50:45,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:50:45,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:50:45,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:50:45,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:50:45,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:50:45,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:50:45,605 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:50:45,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-11-07 04:50:45,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2198e77cc/52209c9eaad84eadb68b755e0d5b7b0b/FLAGc40051eae [2020-11-07 04:50:46,348 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:50:46,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/McCarthy91-1.c [2020-11-07 04:50:46,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2198e77cc/52209c9eaad84eadb68b755e0d5b7b0b/FLAGc40051eae [2020-11-07 04:50:46,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2198e77cc/52209c9eaad84eadb68b755e0d5b7b0b [2020-11-07 04:50:46,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:50:46,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:50:46,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:50:46,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:50:46,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:50:46,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:50:46" (1/1) ... [2020-11-07 04:50:46,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201bfe85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:46, skipping insertion in model container [2020-11-07 04:50:46,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:50:46" (1/1) ... [2020-11-07 04:50:46,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:50:46,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:50:47,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:50:47,097 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:50:47,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:50:47,136 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:50:47,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47 WrapperNode [2020-11-07 04:50:47,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:50:47,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:50:47,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:50:47,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:50:47,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (1/1) ... [2020-11-07 04:50:47,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:50:47,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:50:47,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:50:47,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:50:47,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (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 [2020-11-07 04:50:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:50:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:50:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:50:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2020-11-07 04:50:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:50:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:50:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:50:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:50:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:50:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:50:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2020-11-07 04:50:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:50:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:50:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:50:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:50:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:50:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:50:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:50:47,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:50:47,586 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 04:50:47,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:50:47 BoogieIcfgContainer [2020-11-07 04:50:47,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:50:47,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:50:47,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:50:47,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:50:47,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:50:46" (1/3) ... [2020-11-07 04:50:47,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518bd571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:50:47, skipping insertion in model container [2020-11-07 04:50:47,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:50:47" (2/3) ... [2020-11-07 04:50:47,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518bd571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:50:47, skipping insertion in model container [2020-11-07 04:50:47,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:50:47" (3/3) ... [2020-11-07 04:50:47,609 INFO L111 eAbstractionObserver]: Analyzing ICFG McCarthy91-1.c [2020-11-07 04:50:47,649 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:50:47,657 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 04:50:47,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 04:50:47,719 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:50:47,721 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:50:47,721 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:50:47,721 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:50:47,721 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:50:47,721 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:50:47,722 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:50:47,722 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:50:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-11-07 04:50:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-07 04:50:47,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:50:47,766 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] [2020-11-07 04:50:47,767 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:50:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:50:47,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1590698952, now seen corresponding path program 1 times [2020-11-07 04:50:47,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:50:47,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620293600] [2020-11-07 04:50:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:50:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:50:47,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:50:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:50:47,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:50:48,016 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:50:48,017 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:50:48,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:50:48,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:50:48 BoogieIcfgContainer [2020-11-07 04:50:48,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:50:48,080 INFO L168 Benchmark]: Toolchain (without parser) took 1316.52 ms. Allocated memory is still 152.0 MB. Free memory was 127.7 MB in the beginning and 114.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:50:48,081 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 97.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:50:48,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.06 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 118.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 04:50:48,090 INFO L168 Benchmark]: Boogie Preprocessor took 56.94 ms. Allocated memory is still 152.0 MB. Free memory was 118.0 MB in the beginning and 116.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:50:48,092 INFO L168 Benchmark]: RCFGBuilder took 392.01 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 128.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:50:48,094 INFO L168 Benchmark]: TraceAbstraction took 481.81 ms. Allocated memory is still 152.0 MB. Free memory was 128.5 MB in the beginning and 114.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:50:48,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 97.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 365.06 ms. Allocated memory is still 152.0 MB. Free memory was 127.0 MB in the beginning and 118.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.94 ms. Allocated memory is still 152.0 MB. Free memory was 118.0 MB in the beginning and 116.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 392.01 ms. Allocated memory is still 152.0 MB. Free memory was 116.6 MB in the beginning and 128.7 MB in the end (delta: -12.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 481.81 ms. Allocated memory is still 152.0 MB. Free memory was 128.5 MB in the beginning and 114.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int x = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=102, x=102] [L28] CALL, EXPR f91(x) VAL [\old(x)=102] [L18] COND TRUE x > 100 VAL [\old(x)=102, x=102] [L19] return x -10; VAL [\old(x)=102, \result=92, x=102] [L28] RET, EXPR f91(x) VAL [f91(x)=92, x=102] [L28] int result = f91(x); VAL [f91(x)=92, result=92, x=102] [L29] COND FALSE !(result == 91 || x > 102 && result == x - 10) VAL [result=92, x=102] [L32] CALL reach_error() [L3] __assert_fail("0", "McCarthy91-1.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=43occurred 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, 27 NumberOfCodeBlocks, 27 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...