/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:21:23,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:21:23,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:21:23,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:21:23,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:21:23,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:21:23,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:21:23,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:21:23,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:21:23,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:21:23,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:21:23,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:21:23,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:21:23,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:21:23,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:21:23,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:21:23,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:21:23,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:21:23,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:21:23,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:21:23,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:21:23,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:21:23,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:21:23,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:21:23,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:21:23,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:21:23,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:21:23,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:21:23,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:21:23,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:21:23,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:21:23,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:21:23,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:21:23,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:21:23,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:21:23,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:21:23,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:21:23,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:21:23,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:21:23,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:21:23,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:21:23,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:21:23,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:21:23,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:21:23,581 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:21:23,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:21:23,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:21:23,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:21:23,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:21:23,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:21:23,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:21:23,584 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:21:23,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:21:23,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:21:23,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:21:23,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:21:23,999 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:21:24,000 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2020-07-18 00:21:24,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37041efa6/24c0aec0727d43e68a0aaac532d45e8f/FLAG8adc2e909 [2020-07-18 00:21:24,750 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:21:24,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test02.c [2020-07-18 00:21:24,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37041efa6/24c0aec0727d43e68a0aaac532d45e8f/FLAG8adc2e909 [2020-07-18 00:21:25,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37041efa6/24c0aec0727d43e68a0aaac532d45e8f [2020-07-18 00:21:25,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:21:25,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:21:25,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:25,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:21:25,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:21:25,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f079720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25, skipping insertion in model container [2020-07-18 00:21:25,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:21:25,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:21:25,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:25,449 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:21:25,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:21:25,508 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:21:25,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25 WrapperNode [2020-07-18 00:21:25,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:21:25,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:21:25,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:21:25,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:21:25,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (1/1) ... [2020-07-18 00:21:25,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:21:25,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:21:25,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:21:25,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:21:25,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (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 [2020-07-18 00:21:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:21:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:21:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:21:26,132 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:21:26,132 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:21:26,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:26 BoogieIcfgContainer [2020-07-18 00:21:26,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:21:26,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:21:26,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:21:26,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:21:26,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:21:25" (1/3) ... [2020-07-18 00:21:26,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552f09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:26, skipping insertion in model container [2020-07-18 00:21:26,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:21:25" (2/3) ... [2020-07-18 00:21:26,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@552f09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:21:26, skipping insertion in model container [2020-07-18 00:21:26,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:21:26" (3/3) ... [2020-07-18 00:21:26,151 INFO L109 eAbstractionObserver]: Analyzing ICFG test02.c [2020-07-18 00:21:26,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:21:26,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:21:26,242 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:21:26,312 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:21:26,313 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:21:26,313 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:21:26,313 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:21:26,313 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:21:26,314 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:21:26,314 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:21:26,314 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:21:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-07-18 00:21:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-07-18 00:21:26,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:21:26,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:21:26,354 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:21:26,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:21:26,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1668412473, now seen corresponding path program 1 times [2020-07-18 00:21:26,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:21:26,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455572334] [2020-07-18 00:21:26,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:21:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:21:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:21:26,574 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:21:26,577 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:21:26,577 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:21:26,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:21:26,600 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:21:26,601 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:21:26,602 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-18 00:21:26,602 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:21:26,602 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:21:26,602 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-18 00:21:26,602 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 00:21:26,603 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-18 00:21:26,604 WARN L170 areAnnotationChecker]: L7-3 has no Hoare annotation [2020-07-18 00:21:26,605 WARN L170 areAnnotationChecker]: L7-2 has no Hoare annotation [2020-07-18 00:21:26,605 WARN L170 areAnnotationChecker]: L7-4 has no Hoare annotation [2020-07-18 00:21:26,605 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:21:26,605 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:21:26,605 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:21:26,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:21:26 BoogieIcfgContainer [2020-07-18 00:21:26,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:21:26,616 INFO L168 Benchmark]: Toolchain (without parser) took 1524.27 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 103.8 MB in the beginning and 152.3 MB in the end (delta: -48.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:26,617 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory is still 121.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:21:26,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.09 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:26,619 INFO L168 Benchmark]: Boogie Preprocessor took 55.11 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 92.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:26,620 INFO L168 Benchmark]: RCFGBuilder took 572.42 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 92.1 MB in the beginning and 168.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:26,621 INFO L168 Benchmark]: TraceAbstraction took 471.99 ms. Allocated memory is still 204.5 MB. Free memory was 167.1 MB in the beginning and 152.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:21:26,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory is still 121.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 416.09 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 93.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.11 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 92.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 572.42 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 92.1 MB in the beginning and 168.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 471.99 ms. Allocated memory is still 204.5 MB. Free memory was 167.1 MB in the beginning and 152.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] int q; [L7] int a, b; [L8] int *p1 = &a; [L9] int *p2 = p1; [L11] q = 0 [L13] COND TRUE p1 == p2 [L19] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=26occurred 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...