/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/nla-digbench/geo1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 06:40:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:40:08,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:40:08,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:40:08,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:40:08,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:40:08,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:40:08,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:40:08,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:40:08,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:40:08,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:40:08,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:40:08,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:40:08,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:40:08,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:40:08,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:40:08,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:40:08,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:40:08,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:40:08,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:40:08,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:40:08,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:40:08,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:40:08,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:40:08,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 06:40:08,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:40:08,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:40:08,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:40:08,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:40:08,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:40:08,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:40:08,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:40:08,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:40:08,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:40:08,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:40:08,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:40:08,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 06:40:08,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:40:08,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:40:08,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:40:08,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:40:08,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:40:08,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:40:08,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:40:08,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:40:08,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:40:08,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:40:08,872 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:40:08,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:40:08,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:40:08,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:40:08,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:40:08,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:40:08,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:40:08,873 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 06:40:09,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:40:09,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:40:09,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:40:09,166 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:40:09,166 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:40:09,167 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo1.c [2020-07-18 06:40:09,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a703dda50/1e608ac9edbf4d06b1a5df6ecb6b7f9b/FLAG7d4a459e6 [2020-07-18 06:40:09,748 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:40:09,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo1.c [2020-07-18 06:40:09,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a703dda50/1e608ac9edbf4d06b1a5df6ecb6b7f9b/FLAG7d4a459e6 [2020-07-18 06:40:10,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a703dda50/1e608ac9edbf4d06b1a5df6ecb6b7f9b [2020-07-18 06:40:10,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:40:10,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:40:10,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:40:10,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:40:10,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:40:10,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7822e28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10, skipping insertion in model container [2020-07-18 06:40:10,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:40:10,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:40:10,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:40:10,340 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:40:10,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:40:10,377 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:40:10,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10 WrapperNode [2020-07-18 06:40:10,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:40:10,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:40:10,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:40:10,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:40:10,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... [2020-07-18 06:40:10,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:40:10,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:40:10,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:40:10,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:40:10,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:40:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:40:10,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:40:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:40:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:40:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:40:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:40:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:40:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:40:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:40:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:40:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:40:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:40:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:40:10,872 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:40:10,873 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 06:40:10,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:40:10 BoogieIcfgContainer [2020-07-18 06:40:10,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:40:10,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:40:10,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:40:10,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:40:10,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:40:10" (1/3) ... [2020-07-18 06:40:10,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bead2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:40:10, skipping insertion in model container [2020-07-18 06:40:10,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:40:10" (2/3) ... [2020-07-18 06:40:10,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bead2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:40:10, skipping insertion in model container [2020-07-18 06:40:10,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:40:10" (3/3) ... [2020-07-18 06:40:10,886 INFO L109 eAbstractionObserver]: Analyzing ICFG geo1.c [2020-07-18 06:40:10,903 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:40:10,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:40:10,930 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:40:10,955 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:40:10,955 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:40:10,956 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:40:10,956 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:40:10,956 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:40:10,956 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:40:10,963 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:40:10,963 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:40:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-18 06:40:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-18 06:40:10,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:40:10,992 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] [2020-07-18 06:40:10,993 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:40:10,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:40:10,998 INFO L82 PathProgramCache]: Analyzing trace with hash -46286132, now seen corresponding path program 1 times [2020-07-18 06:40:11,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:40:11,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879848379] [2020-07-18 06:40:11,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:40:11,086 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-07-18 06:40:11,087 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-07-18 06:40:11,087 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 06:40:11,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:40:11,108 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 06:40:11,108 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:40:11,108 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 06:40:11,108 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:40:11,108 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 06:40:11,109 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 06:40:11,110 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 06:40:11,110 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-18 06:40:11,110 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 06:40:11,110 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 06:40:11,110 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 06:40:11,111 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 06:40:11,111 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-18 06:40:11,111 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-18 06:40:11,111 WARN L170 areAnnotationChecker]: L14-2 has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-18 06:40:11,112 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 06:40:11,113 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 06:40:11,114 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-18 06:40:11,114 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-18 06:40:11,114 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-18 06:40:11,114 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 06:40:11,114 WARN L170 areAnnotationChecker]: L23-2 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L30-2 has no Hoare annotation [2020-07-18 06:40:11,115 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L26 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 06:40:11,116 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-18 06:40:11,117 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 06:40:11,121 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-07-18 06:40:11,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:40:11 BoogieIcfgContainer [2020-07-18 06:40:11,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:40:11,126 INFO L168 Benchmark]: Toolchain (without parser) took 1004.29 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 144.9 MB in the end (delta: -43.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,127 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.96 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 91.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,129 INFO L168 Benchmark]: Boogie Preprocessor took 122.34 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 179.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,130 INFO L168 Benchmark]: RCFGBuilder took 376.18 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 159.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,131 INFO L168 Benchmark]: TraceAbstraction took 242.54 ms. Allocated memory is still 200.3 MB. Free memory was 159.0 MB in the beginning and 144.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-18 06:40:11,135 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 0.26 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.96 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 91.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.34 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 91.3 MB in the beginning and 179.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.18 ms. Allocated memory is still 200.3 MB. Free memory was 179.4 MB in the beginning and 159.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242.54 ms. Allocated memory is still 200.3 MB. Free memory was 159.0 MB in the beginning and 144.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 16]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible 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: UNKNOWN, 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...