/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:17:36,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:17:36,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:17:36,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:17:36,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:17:36,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:17:36,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:17:36,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:17:36,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:17:36,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:17:36,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:17:36,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:17:36,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:17:36,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:17:36,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:17:36,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:17:36,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:17:36,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:17:36,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:17:36,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:17:36,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:17:36,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:17:36,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:17:36,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:17:36,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:17:36,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:17:36,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:17:36,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:17:36,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:17:36,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:17:36,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:17:36,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:17:36,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:17:36,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:17:36,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:17:36,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:17:36,379 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:17:36,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:17:36,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:17:36,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:17:36,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:17:36,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:17:36,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:17:36,381 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:17:36,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:17:36,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:17:36,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:17:36,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:17:36,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:17:36,854 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:17:36,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2021-02-24 04:17:36,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c91737/d7bcc7458a4e41ab825cee0fc2fc2049/FLAGf8b4ebc04 [2021-02-24 04:17:37,698 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:17:37,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2021-02-24 04:17:37,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c91737/d7bcc7458a4e41ab825cee0fc2fc2049/FLAGf8b4ebc04 [2021-02-24 04:17:38,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c91737/d7bcc7458a4e41ab825cee0fc2fc2049 [2021-02-24 04:17:38,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:17:38,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:17:38,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:17:38,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:17:38,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:17:38,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c1f575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38, skipping insertion in model container [2021-02-24 04:17:38,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:17:38,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:17:38,284 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2021-02-24 04:17:38,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:17:38,310 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:17:38,380 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c[5305,5318] [2021-02-24 04:17:38,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:17:38,419 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:17:38,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38 WrapperNode [2021-02-24 04:17:38,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:17:38,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:17:38,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:17:38,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:17:38,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (1/1) ... [2021-02-24 04:17:38,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:17:38,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:17:38,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:17:38,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:17:38,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (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 [2021-02-24 04:17:38,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:17:38,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:17:38,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:17:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:17:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:17:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:17:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:17:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:17:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:17:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:17:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:17:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:17:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:17:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:17:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:17:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:17:39,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:17:39,556 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 04:17:39,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:17:39 BoogieIcfgContainer [2021-02-24 04:17:39,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:17:39,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:17:39,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:17:39,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:17:39,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:17:38" (1/3) ... [2021-02-24 04:17:39,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f944d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:17:39, skipping insertion in model container [2021-02-24 04:17:39,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:17:38" (2/3) ... [2021-02-24 04:17:39,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f944d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:17:39, skipping insertion in model container [2021-02-24 04:17:39,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:17:39" (3/3) ... [2021-02-24 04:17:39,573 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2021-02-24 04:17:39,580 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:17:39,584 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:17:39,603 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:17:39,629 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:17:39,629 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:17:39,630 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:17:39,630 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:17:39,630 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:17:39,630 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:17:39,630 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:17:39,630 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:17:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2021-02-24 04:17:39,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-02-24 04:17:39,667 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:17:39,668 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, 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, 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] [2021-02-24 04:17:39,668 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:17:39,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:17:39,676 INFO L82 PathProgramCache]: Analyzing trace with hash -175921418, now seen corresponding path program 1 times [2021-02-24 04:17:39,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:17:39,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2685132] [2021-02-24 04:17:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:17:39,764 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:17:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:17:39,867 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:17:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:17:39,961 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:17:40,053 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:17:40,054 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:17:40,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:17:40,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:17:40 BoogieIcfgContainer [2021-02-24 04:17:40,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:17:40,081 INFO L168 Benchmark]: Toolchain (without parser) took 2042.70 ms. Allocated memory is still 156.2 MB. Free memory was 132.6 MB in the beginning and 104.1 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:17:40,082 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 137.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:17:40,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.90 ms. Allocated memory is still 156.2 MB. Free memory was 131.5 MB in the beginning and 120.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-24 04:17:40,084 INFO L168 Benchmark]: Boogie Preprocessor took 105.40 ms. Allocated memory is still 156.2 MB. Free memory was 120.7 MB in the beginning and 118.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:17:40,085 INFO L168 Benchmark]: RCFGBuilder took 1033.24 ms. Allocated memory is still 156.2 MB. Free memory was 118.8 MB in the beginning and 123.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:17:40,086 INFO L168 Benchmark]: TraceAbstraction took 513.76 ms. Allocated memory is still 156.2 MB. Free memory was 123.0 MB in the beginning and 104.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-24 04:17:40,089 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 156.2 MB. Free memory is still 137.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 367.90 ms. Allocated memory is still 156.2 MB. Free memory was 131.5 MB in the beginning and 120.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.40 ms. Allocated memory is still 156.2 MB. Free memory was 120.7 MB in the beginning and 118.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1033.24 ms. Allocated memory is still 156.2 MB. Free memory was 118.8 MB in the beginning and 123.4 MB in the end (delta: -4.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 513.76 ms. Allocated memory is still 156.2 MB. Free memory was 123.0 MB in the beginning and 104.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 219]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND FALSE !(p3 != 0) [L100] COND FALSE !(p4 != 0) [L104] COND FALSE !(p5 != 0) [L108] COND FALSE !(p6 != 0) [L112] COND FALSE !(p7 != 0) [L116] COND FALSE !(p8 != 0) [L120] COND FALSE !(p9 != 0) [L124] COND FALSE !(p10 != 0) [L128] COND FALSE !(p11 != 0) [L132] COND FALSE !(p12 != 0) [L136] COND FALSE !(p13 != 0) [L140] COND FALSE !(p14 != 0) [L146] COND FALSE !(p1 != 0) [L151] COND FALSE !(p2 != 0) [L219] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=167occurred 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: No data available, 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...