/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/nla-digbench/fermat2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:25:53,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:25:53,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:25:53,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:25:53,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:25:53,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:25:53,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:25:53,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:25:53,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:25:53,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:25:53,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:25:53,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:25:53,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:25:53,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:25:53,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:25:53,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:25:53,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:25:53,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:25:53,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:25:54,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:25:54,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:25:54,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:25:54,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:25:54,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:25:54,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 20:25:54,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:25:54,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:25:54,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:25:54,019 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 20:25:54,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:25:54,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:25:54,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:25:54,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:25:54,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:25:54,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:25:54,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:25:54,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:25:54,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:25:54,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:25:54,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:25:54,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:25:54,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:25:54,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:25:54,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:25:54,033 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:25:54,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:25:54,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:25:54,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:25:54,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:25:54,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:25:54,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:25:54,034 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:25:54,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:25:54,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:25:54,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:25:54,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:25:54,410 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:25:54,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/fermat2.c [2020-07-10 20:25:54,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6d9f722/7943430e34584f76a6acea7913fbee1a/FLAG61c598f54 [2020-07-10 20:25:54,926 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:25:54,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/fermat2.c [2020-07-10 20:25:54,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6d9f722/7943430e34584f76a6acea7913fbee1a/FLAG61c598f54 [2020-07-10 20:25:54,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6d9f722/7943430e34584f76a6acea7913fbee1a [2020-07-10 20:25:54,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:25:54,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:25:54,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:54,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:25:54,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:25:54,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:54" (1/1) ... [2020-07-10 20:25:54,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0a60dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:54, skipping insertion in model container [2020-07-10 20:25:54,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:54" (1/1) ... [2020-07-10 20:25:54,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:25:55,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:25:55,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:55,232 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:25:55,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:55,270 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:25:55,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55 WrapperNode [2020-07-10 20:25:55,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:55,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:25:55,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:25:55,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:25:55,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:25:55,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:25:55,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:25:55,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:25:55,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (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 20:25:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:25:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:25:55,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:25:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:25:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:25:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:25:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 20:25:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:25:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:25:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:25:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:25:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:25:55,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:25:55,856 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:25:55,856 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 20:25:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:55 BoogieIcfgContainer [2020-07-10 20:25:55,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:25:55,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:25:55,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:25:55,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:25:55,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:25:54" (1/3) ... [2020-07-10 20:25:55,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5c56d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:55, skipping insertion in model container [2020-07-10 20:25:55,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55" (2/3) ... [2020-07-10 20:25:55,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5c56d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:55, skipping insertion in model container [2020-07-10 20:25:55,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:55" (3/3) ... [2020-07-10 20:25:55,869 INFO L109 eAbstractionObserver]: Analyzing ICFG fermat2.c [2020-07-10 20:25:55,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:25:55,885 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:25:55,897 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:25:55,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:25:55,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:25:55,919 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:25:55,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:25:55,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:25:55,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:25:55,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:25:55,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:25:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-10 20:25:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-10 20:25:55,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:25:55,949 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, 1, 1] [2020-07-10 20:25:55,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:25:55,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:25:55,956 INFO L82 PathProgramCache]: Analyzing trace with hash 175655853, now seen corresponding path program 1 times [2020-07-10 20:25:55,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:25:55,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453492598] [2020-07-10 20:25:55,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:25:56,077 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:25:56,079 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 20:25:56,080 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 20:25:56,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:25:56,097 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 20:25:56,098 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L7-3 has no Hoare annotation [2020-07-10 20:25:56,099 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: L10-2 has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 20:25:56,100 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-10 20:25:56,101 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-10 20:25:56,102 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-10 20:25:56,102 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-10 20:25:56,102 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 20:25:56,102 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-10 20:25:56,102 WARN L170 areAnnotationChecker]: L31-2 has no Hoare annotation [2020-07-10 20:25:56,103 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 20:25:56,103 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 20:25:56,103 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 20:25:56,103 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 20:25:56,103 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 20:25:56,104 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 20:25:56,105 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 20:25:56,105 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 20:25:56,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:25:56 BoogieIcfgContainer [2020-07-10 20:25:56,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:25:56,114 INFO L168 Benchmark]: Toolchain (without parser) took 1144.61 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 145.8 MB in the end (delta: -40.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,116 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.87 ms. Allocated memory is still 140.5 MB. Free memory was 104.9 MB in the beginning and 94.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,118 INFO L168 Benchmark]: Boogie Preprocessor took 134.14 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 94.7 MB in the beginning and 182.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,119 INFO L168 Benchmark]: RCFGBuilder took 454.58 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 161.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,120 INFO L168 Benchmark]: TraceAbstraction took 248.70 ms. Allocated memory is still 203.9 MB. Free memory was 161.2 MB in the beginning and 145.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:56,124 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 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.87 ms. Allocated memory is still 140.5 MB. Free memory was 104.9 MB in the beginning and 94.7 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.14 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 94.7 MB in the beginning and 182.2 MB in the end (delta: -87.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.58 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 161.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248.70 ms. Allocated memory is still 203.9 MB. Free memory was 161.2 MB in the beginning and 145.8 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 21. Possible FailurePath: [L18] int A, R; [L19] int u, v, r; [L20] A = __VERIFIER_nondet_double() [L21] R = __VERIFIER_nondet_double() [L23] CALL assume_abort_if_not((R - 1) * (R - 1) < A) [L7] COND FALSE !(!cond) [L23] RET assume_abort_if_not((R - 1) * (R - 1) < A) [L25] CALL assume_abort_if_not(A % 2 == 1) [L7] COND FALSE !(!cond) [L25] RET assume_abort_if_not(A % 2 == 1) [L27] u = 2 * R + 1 [L28] v = 1 [L29] r = R * R - A [L31] COND FALSE !(1) [L45] CALL __VERIFIER_assert(4*A == u*u - v*v - 2*u + 2*v) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=43occurred 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...