/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/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:17:08,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:17:08,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:17:08,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 00:17:08,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:17:08,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:17:08,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:17:08,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:17:08,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:17:08,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:17:08,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:17:08,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:17:08,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:17:08,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:17:08,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:17:08,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:17:08,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:17:08,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:17:08,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:17:08,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:17:08,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:17:08,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:17:08,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:17:08,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:17:08,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:17:08,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:17:08,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:17:08,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:17:08,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:17:08,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:17:08,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:17:08,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:17:08,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:17:08,490 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:17:08,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:17:08,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:17:08,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:17:08,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:17:08,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:17:08,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:17:08,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:17:08,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:17:08,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:17:08,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:17:08,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:17:08,988 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:17:08,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2021-02-24 00:17:09,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677c26f7/f81fb260f9284dd1b1b69251d99de4aa/FLAG7a86a1f59 [2021-02-24 00:17:09,739 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:17:09,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-1.c [2021-02-24 00:17:09,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677c26f7/f81fb260f9284dd1b1b69251d99de4aa/FLAG7a86a1f59 [2021-02-24 00:17:10,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c677c26f7/f81fb260f9284dd1b1b69251d99de4aa [2021-02-24 00:17:10,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:17:10,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:17:10,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:17:10,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:17:10,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:17:10,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f1d27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10, skipping insertion in model container [2021-02-24 00:17:10,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:17:10,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:17:10,321 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/trex03-1.c[320,333] [2021-02-24 00:17:10,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:17:10,350 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:17:10,363 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/trex03-1.c[320,333] [2021-02-24 00:17:10,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:17:10,385 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:17:10,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10 WrapperNode [2021-02-24 00:17:10,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:17:10,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:17:10,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:17:10,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:17:10,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (1/1) ... [2021-02-24 00:17:10,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:17:10,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:17:10,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:17:10,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:17:10,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (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 00:17:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:17:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:17:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:17:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:17:10,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:17:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:17:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:17:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:17:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:17:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:17:10,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-24 00:17:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-24 00:17:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:17:10,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:17:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:17:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:17:10,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:17:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:17:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:17:10,973 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:17:10,973 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 00:17:10,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:17:10 BoogieIcfgContainer [2021-02-24 00:17:10,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:17:10,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:17:10,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:17:10,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:17:10,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:17:10" (1/3) ... [2021-02-24 00:17:10,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455223ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:17:10, skipping insertion in model container [2021-02-24 00:17:10,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:17:10" (2/3) ... [2021-02-24 00:17:10,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455223ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:17:10, skipping insertion in model container [2021-02-24 00:17:10,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:17:10" (3/3) ... [2021-02-24 00:17:10,989 INFO L111 eAbstractionObserver]: Analyzing ICFG trex03-1.c [2021-02-24 00:17:10,998 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:17:11,004 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:17:11,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:17:11,065 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:17:11,065 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:17:11,065 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:17:11,065 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:17:11,065 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:17:11,066 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:17:11,066 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:17:11,066 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:17:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2021-02-24 00:17:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-02-24 00:17:11,105 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:17:11,106 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] [2021-02-24 00:17:11,106 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:17:11,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:17:11,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1945788113, now seen corresponding path program 1 times [2021-02-24 00:17:11,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:17:11,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635035074] [2021-02-24 00:17:11,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:17:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:17:11,382 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:17:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 00:17:11,455 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 00:17:11,505 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 00:17:11,506 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 00:17:11,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:17:11,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:17:11 BoogieIcfgContainer [2021-02-24 00:17:11,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:17:11,562 INFO L168 Benchmark]: Toolchain (without parser) took 1441.09 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 112.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. [2021-02-24 00:17:11,563 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:17:11,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.56 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 00:17:11,565 INFO L168 Benchmark]: Boogie Preprocessor took 37.42 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 114.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:17:11,566 INFO L168 Benchmark]: RCFGBuilder took 552.52 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 127.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:17:11,567 INFO L168 Benchmark]: TraceAbstraction took 579.80 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 112.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-24 00:17:11,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 134.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 252.56 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 116.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.42 ms. Allocated memory is still 151.0 MB. Free memory was 116.2 MB in the beginning and 114.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 552.52 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 127.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 579.80 ms. Allocated memory is still 151.0 MB. Free memory was 127.0 MB in the beginning and 112.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 13.6 MB. 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: [L17] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=4294967297, x1=4294967297] [L17] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=0, x1=4294967297, x2=0] [L17] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=0, x1=4294967297, x2=0, x3=0] [L18] unsigned int d1=1, d2=1, d3=1; VAL [d1=1, d2=1, d3=1, x1=4294967297, x2=0, x3=0] [L19] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); VAL [__VERIFIER_nondet_bool()=4294967305, c1=4294967305, d1=1, d2=1, d3=1, x1=4294967297, x2=0, x3=0] [L19] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); VAL [__VERIFIER_nondet_bool()=4294967301, c1=4294967305, c2=4294967301, d1=1, d2=1, d3=1, x1=4294967297, x2=0, x3=0] [L21] COND FALSE !(x1>0 && x2>0 && x3>0) VAL [c1=4294967305, c2=4294967301, d1=1, d2=1, d3=1, x1=4294967297, x2=0, x3=0] [L30] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 51 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=48occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 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...