/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/bitvector/gcd_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:35:53,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:35:53,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:35:53,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:35:53,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:35:53,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:35:53,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:35:53,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:35:53,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:35:53,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:35:53,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:35:54,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:35:54,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:35:54,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:35:54,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:35:54,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:35:54,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:35:54,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:35:54,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:35:54,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:35:54,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:35:54,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:35:54,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:35:54,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:35:54,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:35:54,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:35:54,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:35:54,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:35:54,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:35:54,038 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:35:54,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:35:54,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:35:54,040 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:35:54,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:35:54,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:35:54,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:35:54,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:35:54,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:35:54,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:35:54,042 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:35:54,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:35:54,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:35:54,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:54,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:35:54,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:35:54,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:35:54,043 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:35:54,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:35:54,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:35:54,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:35:54,357 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:35:54,358 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:35:54,358 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/gcd_4.c [2020-07-10 18:35:54,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695cd4030/cc094768d72644478c27600f3129ba12/FLAGcb0278bce [2020-07-10 18:35:54,871 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:35:54,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/gcd_4.c [2020-07-10 18:35:54,878 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695cd4030/cc094768d72644478c27600f3129ba12/FLAGcb0278bce [2020-07-10 18:35:55,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695cd4030/cc094768d72644478c27600f3129ba12 [2020-07-10 18:35:55,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:35:55,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:35:55,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:55,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:35:55,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:35:55,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@889ffd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55, skipping insertion in model container [2020-07-10 18:35:55,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:35:55,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:35:55,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:55,652 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:35:55,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:55,702 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:35:55,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55 WrapperNode [2020-07-10 18:35:55,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:55,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:35:55,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:35:55,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:35:55,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (1/1) ... [2020-07-10 18:35:55,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:35:55,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:35:55,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:35:55,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:35:55,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (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 18:35:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:35:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:35:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 18:35:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2020-07-10 18:35:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:35:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:35:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 18:35:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 18:35:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2020-07-10 18:35:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:35:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:35:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:35:56,260 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:35:56,261 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 18:35:56,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:56 BoogieIcfgContainer [2020-07-10 18:35:56,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:35:56,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:35:56,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:35:56,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:35:56,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:35:55" (1/3) ... [2020-07-10 18:35:56,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71576207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:56, skipping insertion in model container [2020-07-10 18:35:56,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:55" (2/3) ... [2020-07-10 18:35:56,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71576207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:56, skipping insertion in model container [2020-07-10 18:35:56,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:56" (3/3) ... [2020-07-10 18:35:56,277 INFO L109 eAbstractionObserver]: Analyzing ICFG gcd_4.c [2020-07-10 18:35:56,292 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:35:56,304 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:35:56,341 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:35:56,387 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:35:56,387 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:35:56,387 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:35:56,387 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:35:56,388 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:35:56,388 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:35:56,388 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:35:56,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:35:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-07-10 18:35:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-10 18:35:56,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:56,421 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] [2020-07-10 18:35:56,422 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1031467614, now seen corresponding path program 1 times [2020-07-10 18:35:56,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:56,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106727849] [2020-07-10 18:35:56,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:56,548 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:35:56,551 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:35:56,551 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:35:56,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:35:56,571 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:35:56,571 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:35:56,571 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: gcd_testENTRY has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-10 18:35:56,572 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-10 18:35:56,573 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 18:35:56,574 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-10 18:35:56,575 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-10 18:35:56,576 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-10 18:35:56,577 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: gcd_testFINAL has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 18:35:56,578 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: gcd_testEXIT has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: L39-3 has no Hoare annotation [2020-07-10 18:35:56,579 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-10 18:35:56,580 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-10 18:35:56,580 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 18:35:56,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:35:56 BoogieIcfgContainer [2020-07-10 18:35:56,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:35:56,589 INFO L168 Benchmark]: Toolchain (without parser) took 1269.48 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 102.1 MB in the beginning and 146.3 MB in the end (delta: -44.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,590 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.42 ms. Allocated memory is still 145.2 MB. Free memory was 101.7 MB in the beginning and 91.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,592 INFO L168 Benchmark]: Boogie Preprocessor took 166.19 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 91.9 MB in the beginning and 182.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,593 INFO L168 Benchmark]: RCFGBuilder took 396.47 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 161.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,594 INFO L168 Benchmark]: TraceAbstraction took 316.44 ms. Allocated memory is still 203.4 MB. Free memory was 161.0 MB in the beginning and 146.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:56,598 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 0.25 ms. Allocated memory is still 145.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 383.42 ms. Allocated memory is still 145.2 MB. Free memory was 101.7 MB in the beginning and 91.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 166.19 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 91.9 MB in the beginning and 182.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.47 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 161.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 316.44 ms. Allocated memory is still 203.4 MB. Free memory was 161.0 MB in the beginning and 146.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L32] long x; [L33] long y; [L34] long g; [L36] x = 63 [L37] y = 18 [L39] CALL, EXPR gcd_test(x, y) [L12] COND FALSE !(a < 0) [L13] COND FALSE !(b < 0) [L15] COND TRUE a == 0 [L16] return b; [L39] RET, EXPR gcd_test(x, y) [L39] g = gcd_test(x, y) [L41] CALL __VERIFIER_assert(x % g == 0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=42occurred 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...