/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test21-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 15:06:48,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 15:06:48,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 15:06:48,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 15:06:48,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 15:06:48,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 15:06:48,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 15:06:48,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 15:06:48,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 15:06:48,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 15:06:48,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 15:06:48,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 15:06:48,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 15:06:48,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 15:06:48,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 15:06:48,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 15:06:48,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 15:06:48,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 15:06:48,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 15:06:48,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 15:06:48,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 15:06:48,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 15:06:48,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 15:06:48,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 15:06:48,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 15:06:48,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 15:06:48,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 15:06:48,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 15:06:48,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 15:06:48,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 15:06:48,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 15:06:48,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 15:06:48,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 15:06:48,240 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 15:06:48,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 15:06:48,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 15:06:48,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 15:06:48,246 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 15:06:48,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 15:06:48,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 15:06:48,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 15:06:48,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 15:06:48,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 15:06:48,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 15:06:48,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 15:06:48,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 15:06:48,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 15:06:48,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 15:06:48,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 15:06:48,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 15:06:48,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 15:06:48,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 15:06:48,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 15:06:48,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 15:06:48,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 15:06:48,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 15:06:48,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 15:06:48,571 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 15:06:48,572 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 15:06:48,572 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-10 15:06:48,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24b75b4e/ec8a35ca70b7435b9e56f98b877d2bf1/FLAG322b0b877 [2020-07-10 15:06:49,123 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 15:06:49,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2020-07-10 15:06:49,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24b75b4e/ec8a35ca70b7435b9e56f98b877d2bf1/FLAG322b0b877 [2020-07-10 15:06:49,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24b75b4e/ec8a35ca70b7435b9e56f98b877d2bf1 [2020-07-10 15:06:49,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 15:06:49,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 15:06:49,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 15:06:49,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 15:06:49,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 15:06:49,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221ba80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49, skipping insertion in model container [2020-07-10 15:06:49,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 15:06:49,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 15:06:49,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:06:49,820 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 15:06:49,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 15:06:49,860 INFO L208 MainTranslator]: Completed translation [2020-07-10 15:06:49,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49 WrapperNode [2020-07-10 15:06:49,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 15:06:49,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 15:06:49,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 15:06:49,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 15:06:49,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (1/1) ... [2020-07-10 15:06:49,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 15:06:49,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 15:06:49,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 15:06:49,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 15:06:49,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (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 [2020-07-10 15:06:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 15:06:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 15:06:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-10 15:06:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2020-07-10 15:06:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-10 15:06:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 15:06:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2020-07-10 15:06:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 15:06:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 15:06:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 15:06:50,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 15:06:50,403 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 15:06:50,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:06:50 BoogieIcfgContainer [2020-07-10 15:06:50,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 15:06:50,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 15:06:50,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 15:06:50,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 15:06:50,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:06:49" (1/3) ... [2020-07-10 15:06:50,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28053f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:06:50, skipping insertion in model container [2020-07-10 15:06:50,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:06:49" (2/3) ... [2020-07-10 15:06:50,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28053f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:06:50, skipping insertion in model container [2020-07-10 15:06:50,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:06:50" (3/3) ... [2020-07-10 15:06:50,419 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-2.c [2020-07-10 15:06:50,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 15:06:50,445 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 15:06:50,473 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 15:06:50,498 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 15:06:50,499 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 15:06:50,499 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 15:06:50,499 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 15:06:50,499 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 15:06:50,500 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 15:06:50,500 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 15:06:50,500 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 15:06:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-10 15:06:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-10 15:06:50,528 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 15:06:50,529 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 15:06:50,530 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 15:06:50,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 15:06:50,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1351082661, now seen corresponding path program 1 times [2020-07-10 15:06:50,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 15:06:50,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251314457] [2020-07-10 15:06:50,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 15:06:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 15:06:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 15:06:50,817 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 15:06:50,818 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 15:06:50,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 15:06:50,866 WARN L170 areAnnotationChecker]: initENTRY has no Hoare annotation [2020-07-10 15:06:50,866 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 15:06:50,867 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 15:06:50,867 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 15:06:50,867 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-10 15:06:50,867 WARN L170 areAnnotationChecker]: get_dummyENTRY has no Hoare annotation [2020-07-10 15:06:50,867 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 15:06:50,868 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 15:06:50,868 WARN L170 areAnnotationChecker]: checkENTRY has no Hoare annotation [2020-07-10 15:06:50,868 WARN L170 areAnnotationChecker]: initFINAL has no Hoare annotation [2020-07-10 15:06:50,868 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 15:06:50,868 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 15:06:50,869 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 15:06:50,869 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 15:06:50,869 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 15:06:50,869 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 15:06:50,870 WARN L170 areAnnotationChecker]: checkFINAL has no Hoare annotation [2020-07-10 15:06:50,870 WARN L170 areAnnotationChecker]: initEXIT has no Hoare annotation [2020-07-10 15:06:50,870 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 15:06:50,870 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 15:06:50,870 WARN L170 areAnnotationChecker]: get_dummyFINAL has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: checkEXIT has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: get_dummyEXIT has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-10 15:06:50,871 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-10 15:06:50,872 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-10 15:06:50,872 WARN L170 areAnnotationChecker]: L33-2 has no Hoare annotation [2020-07-10 15:06:50,872 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 15:06:50,872 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 15:06:50,872 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 15:06:50,873 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 15:06:50,873 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 15:06:50,873 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 15:06:50,873 WARN L170 areAnnotationChecker]: L34-2 has no Hoare annotation [2020-07-10 15:06:50,873 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 15:06:50,874 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 15:06:50,874 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 15:06:50,874 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 15:06:50,874 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. [2020-07-10 15:06:50,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:06:50 BoogieIcfgContainer [2020-07-10 15:06:50,878 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 15:06:50,882 INFO L168 Benchmark]: Toolchain (without parser) took 1335.87 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 133.9 MB in the end (delta: -31.1 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,883 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.66 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 91.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,885 INFO L168 Benchmark]: Boogie Preprocessor took 130.17 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 178.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,886 INFO L168 Benchmark]: RCFGBuilder took 416.98 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 154.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,886 INFO L168 Benchmark]: TraceAbstraction took 467.25 ms. Allocated memory is still 201.3 MB. Free memory was 154.6 MB in the beginning and 133.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-07-10 15:06:50,890 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 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 310.66 ms. Allocated memory is still 137.9 MB. Free memory was 102.6 MB in the beginning and 91.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.17 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 178.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 416.98 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 154.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 467.25 ms. Allocated memory is still 201.3 MB. Free memory was 154.6 MB in the beginning and 133.9 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] struct dummy d1, d2; VAL [\old(d1)=14, \old(d1)=10, \old(d2)=13, \old(d2)=11, d1={3:0}, d2={2:0}] [L32] CALL init() VAL [d1={3:0}, d2={2:0}] [L13] d1.a = __VERIFIER_nondet_int() [L14] d1.b = __VERIFIER_nondet_int() [L16] d2.a = __VERIFIER_nondet_int() [L17] d2.b = __VERIFIER_nondet_int() [L32] RET init() VAL [d1={3:0}, d2={2:0}] [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={2:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={2:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 VAL [__VERIFIER_nondet_bool()=0, __VERIFIER_nondet_bool() ? &d1 : &d2={2:0}, d1={3:0}, d2={2:0}] [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}, get_dummy()={2:0}, pd1={2:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 VAL [d1={3:0}, d2={2:0}, pd1={2:0}, pd2={2:0}] [L35] CALL, EXPR check(pd1, pd2) VAL [d1={3:0}, d2={2:0}, s1={2:0}, s2={2:0}] [L27] EXPR s1->a [L27] EXPR s2->b [L27] return s1->a == s2->b; [L35] RET, EXPR check(pd1, pd2) VAL [check(pd1, pd2)=0, d1={3:0}, d2={2:0}, pd1={2:0}, pd2={2:0}] [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() VAL [d1={3:0}, d2={2:0}, pd1={2:0}, pd2={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, 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=31occurred 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, 29 NumberOfCodeBlocks, 29 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...