/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/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 20:25:54,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 20:25:54,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 20:25:54,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 20:25:54,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 20:25:54,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 20:25:54,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 20:25:54,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 20:25:54,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 20:25:54,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 20:25:54,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 20:25:54,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 20:25:54,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 20:25:54,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 20:25:54,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 20:25:54,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 20:25:54,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 20:25:54,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 20:25:54,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 20:25:54,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 20:25:54,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 20:25:54,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 20:25:54,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 20:25:54,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 20:25:54,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 20:25:54,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 20:25:54,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 20:25:54,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 20:25:54,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 20:25:54,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-10 20:25:54,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 20:25:54,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 20:25:54,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 20:25:54,641 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 20:25:54,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 20:25:54,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 20:25:54,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 20:25:54,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 20:25:54,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 20:25:54,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 20:25:54,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 20:25:54,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 20:25:54,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 20:25:54,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 20:25:54,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 20:25:54,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 20:25:54,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 20:25:54,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 20:25:54,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 20:25:54,654 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 20:25:54,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 20:25:54,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 20:25:54,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 20:25:54,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 20:25:54,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 20:25:54,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 20:25:54,655 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 20:25:54,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 20:25:54,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 20:25:54,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 20:25:54,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 20:25:54,958 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 20:25:54,959 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2020-07-10 20:25:55,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71f24563/0dd7dd88761a4e7495785939733e2f3c/FLAGf1a9514ad [2020-07-10 20:25:55,507 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 20:25:55,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2020-07-10 20:25:55,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71f24563/0dd7dd88761a4e7495785939733e2f3c/FLAGf1a9514ad [2020-07-10 20:25:55,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71f24563/0dd7dd88761a4e7495785939733e2f3c [2020-07-10 20:25:55,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 20:25:55,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 20:25:55,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:55,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 20:25:55,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 20:25:55,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612941dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:55, skipping insertion in model container [2020-07-10 20:25:55,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 08:25:55" (1/1) ... [2020-07-10 20:25:55,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 20:25:55,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 20:25:56,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:56,206 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 20:25:56,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 20:25:56,249 INFO L208 MainTranslator]: Completed translation [2020-07-10 20:25:56,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56 WrapperNode [2020-07-10 20:25:56,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 20:25:56,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 20:25:56,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 20:25:56,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 20:25:56,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (1/1) ... [2020-07-10 20:25:56,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 20:25:56,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 20:25:56,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 20:25:56,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 20:25:56,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (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 20:25:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 20:25:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 20:25:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 20:25:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 20:25:56,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 20:25:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 20:25:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 20:25:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 20:25:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 20:25:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 20:25:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 20:25:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 20:25:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 20:25:56,830 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 20:25:56,831 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-10 20:25:56,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:56 BoogieIcfgContainer [2020-07-10 20:25:56,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 20:25:56,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 20:25:56,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 20:25:56,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 20:25:56,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 08:25:55" (1/3) ... [2020-07-10 20:25:56,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a61fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:56, skipping insertion in model container [2020-07-10 20:25:56,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 08:25:56" (2/3) ... [2020-07-10 20:25:56,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a61fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 08:25:56, skipping insertion in model container [2020-07-10 20:25:56,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 08:25:56" (3/3) ... [2020-07-10 20:25:56,843 INFO L109 eAbstractionObserver]: Analyzing ICFG geo1.c [2020-07-10 20:25:56,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 20:25:56,857 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 20:25:56,871 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 20:25:56,891 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 20:25:56,892 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 20:25:56,892 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 20:25:56,892 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 20:25:56,892 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 20:25:56,892 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 20:25:56,892 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 20:25:56,892 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 20:25:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-10 20:25:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-10 20:25:56,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 20:25:56,917 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] [2020-07-10 20:25:56,917 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 20:25:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 20:25:56,922 INFO L82 PathProgramCache]: Analyzing trace with hash -46286132, now seen corresponding path program 1 times [2020-07-10 20:25:56,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 20:25:56,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325445618] [2020-07-10 20:25:56,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 20:25:57,038 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 20:25:57,040 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 20:25:57,041 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 20:25:57,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 20:25:57,062 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 20:25:57,062 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 20:25:57,062 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 20:25:57,062 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 20:25:57,063 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 20:25:57,063 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-10 20:25:57,063 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 20:25:57,063 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 20:25:57,063 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-10 20:25:57,064 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-10 20:25:57,065 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 20:25:57,066 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 20:25:57,067 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-10 20:25:57,067 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-10 20:25:57,067 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-10 20:25:57,067 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 20:25:57,067 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 20:25:57,068 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-10 20:25:57,069 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 20:25:57,070 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-10 20:25:57,071 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 20:25:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 08:25:57 BoogieIcfgContainer [2020-07-10 20:25:57,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 20:25:57,079 INFO L168 Benchmark]: Toolchain (without parser) took 1209.24 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 104.1 MB in the beginning and 149.8 MB in the end (delta: -45.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,080 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.97 ms. Allocated memory is still 138.9 MB. Free memory was 103.9 MB in the beginning and 93.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,082 INFO L168 Benchmark]: Boogie Preprocessor took 47.61 ms. Allocated memory is still 138.9 MB. Free memory was 93.9 MB in the beginning and 92.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,083 INFO L168 Benchmark]: RCFGBuilder took 536.95 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 92.3 MB in the beginning and 164.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,084 INFO L168 Benchmark]: TraceAbstraction took 238.55 ms. Allocated memory is still 204.5 MB. Free memory was 164.0 MB in the beginning and 149.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-10 20:25:57,087 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 0.32 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.97 ms. Allocated memory is still 138.9 MB. Free memory was 103.9 MB in the beginning and 93.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.61 ms. Allocated memory is still 138.9 MB. Free memory was 93.9 MB in the beginning and 92.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 536.95 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 92.3 MB in the beginning and 164.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 238.55 ms. Allocated memory is still 204.5 MB. Free memory was 164.0 MB in the beginning and 149.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 16]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] int z, k; [L22] int x, y, c; [L23] z = __VERIFIER_nondet_int() [L24] k = __VERIFIER_nondet_int() [L26] x = 1 [L27] y = z [L28] c = 1 [L30] COND TRUE 1 [L31] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) [L14] COND TRUE !(cond) [L16] __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=37occurred 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...