/usr/bin/java -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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:12:22,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:12:22,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:12:22,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:12:22,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:12:22,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:12:22,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:12:22,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:12:22,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:12:22,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:12:22,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:12:22,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:12:22,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:12:22,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:12:22,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:12:22,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:12:22,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:12:22,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:12:22,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:12:22,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:12:22,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:12:22,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:12:22,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:12:22,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:12:22,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:12:22,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:12:22,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:12:22,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:12:22,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:12:22,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:12:22,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:12:22,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:12:22,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:12:22,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:12:22,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:12:22,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:12:22,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:12:22,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:12:22,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:12:22,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:12:22,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:12:22,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:12:22,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:12:22,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:12:22,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:12:22,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:12:22,697 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:12:22,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:12:22,697 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:12:22,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:12:22,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:12:22,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:12:22,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:12:22,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:12:22,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:12:22,700 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:12:22,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:12:22,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:12:22,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:12:22,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:12:22,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:12:22,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:12:22,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:12:22,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:12:22,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:12:22,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:12:22,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:12:22,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:12:22,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:12:22,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:12:22,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:12:22,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 09:12:23,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:12:23,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:12:23,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:12:23,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:12:23,170 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:12:23,171 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt3.c [2020-09-25 09:12:23,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55a88e7aa/6cfe58fcb79548efaa77fd745168e413/FLAGebd2e7a43 [2020-09-25 09:12:23,828 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:12:23,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/sumt3.c [2020-09-25 09:12:23,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55a88e7aa/6cfe58fcb79548efaa77fd745168e413/FLAGebd2e7a43 [2020-09-25 09:12:24,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55a88e7aa/6cfe58fcb79548efaa77fd745168e413 [2020-09-25 09:12:24,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:12:24,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:12:24,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:12:24,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:12:24,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:12:24,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424943e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24, skipping insertion in model container [2020-09-25 09:12:24,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:12:24,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:12:24,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:12:24,519 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:12:24,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:12:24,552 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:12:24,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24 WrapperNode [2020-09-25 09:12:24,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:12:24,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:12:24,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:12:24,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:12:24,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... [2020-09-25 09:12:24,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:12:24,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:12:24,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:12:24,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:12:24,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-25 09:12:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:12:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:12:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 09:12:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 09:12:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:12:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 09:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 09:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 09:12:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:12:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:12:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:12:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:12:25,034 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:12:25,035 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 09:12:25,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:12:25 BoogieIcfgContainer [2020-09-25 09:12:25,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:12:25,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:12:25,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:12:25,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:12:25,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:12:24" (1/3) ... [2020-09-25 09:12:25,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56653944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:12:25, skipping insertion in model container [2020-09-25 09:12:25,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:12:24" (2/3) ... [2020-09-25 09:12:25,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56653944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:12:25, skipping insertion in model container [2020-09-25 09:12:25,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:12:25" (3/3) ... [2020-09-25 09:12:25,067 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt3.c [2020-09-25 09:12:25,089 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:12:25,105 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:12:25,123 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:12:25,148 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:12:25,149 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:12:25,149 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:12:25,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:12:25,149 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:12:25,149 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:12:25,149 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:12:25,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:12:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-09-25 09:12:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-25 09:12:25,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:12:25,178 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] [2020-09-25 09:12:25,178 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:12:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:12:25,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1514708489, now seen corresponding path program 1 times [2020-09-25 09:12:25,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:12:25,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93025850] [2020-09-25 09:12:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:12:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:25,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:25,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:25,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 09:12:25,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:25,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-09-25 09:12:25,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:25,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 09:12:25,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:12:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 09:12:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:12:26,040 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-09-25 09:12:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:12:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:26,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:26,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:26,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:12:26,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:26,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:12:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:26,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:12:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:12:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:12:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:12:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:12:26,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93025850] [2020-09-25 09:12:26,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:12:26,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:12:26,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048003644] [2020-09-25 09:12:26,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:12:26,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:12:26,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:12:26,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:12:26,139 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 9 states. [2020-09-25 09:12:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:12:28,761 INFO L93 Difference]: Finished difference Result 68 states and 83 transitions. [2020-09-25 09:12:28,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 09:12:28,763 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-09-25 09:12:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:12:28,776 INFO L225 Difference]: With dead ends: 68 [2020-09-25 09:12:28,778 INFO L226 Difference]: Without dead ends: 33 [2020-09-25 09:12:28,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:12:28,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-25 09:12:28,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2020-09-25 09:12:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-25 09:12:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2020-09-25 09:12:28,843 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2020-09-25 09:12:28,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:12:28,845 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2020-09-25 09:12:28,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:12:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2020-09-25 09:12:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-25 09:12:28,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:12:28,847 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, 1, 1] [2020-09-25 09:12:28,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:12:28,848 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:12:28,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:12:28,848 INFO L82 PathProgramCache]: Analyzing trace with hash 993233083, now seen corresponding path program 1 times [2020-09-25 09:12:28,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:12:28,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379838933] [2020-09-25 09:12:28,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:12:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:28,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:29,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:29,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 09:12:29,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-09-25 09:12:29,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:29,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 09:12:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:12:29,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:12:29,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:12:29,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:12:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:12:29,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:12:29,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:12:29,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:12:29,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:12:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:12:29,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:12:29,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:12:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:12:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:12:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:12:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:12:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:12:29,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379838933] [2020-09-25 09:12:29,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:12:29,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 09:12:29,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954859370] [2020-09-25 09:12:29,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:12:29,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:12:29,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:12:29,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:12:29,524 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 11 states. [2020-09-25 09:12:29,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:12:29,897 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-09-25 09:12:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:12:29,898 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-09-25 09:12:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:12:29,898 INFO L225 Difference]: With dead ends: 33 [2020-09-25 09:12:29,899 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:12:29,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:12:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:12:29,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:12:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:12:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:12:29,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-09-25 09:12:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:12:29,902 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:12:29,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:12:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:12:29,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:12:29,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:12:29,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:12:30,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 09:12:30,087 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|) [2020-09-25 09:12:30,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 09:12:30,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 09:12:30,087 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 09:12:30,088 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-09-25 09:12:30,088 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-09-25 09:12:30,089 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-09-25 09:12:30,089 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-09-25 09:12:30,089 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-25 09:12:30,090 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 14 34) no Hoare annotation was computed. [2020-09-25 09:12:30,090 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-25 09:12:30,090 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-25 09:12:30,090 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 14 34) no Hoare annotation was computed. [2020-09-25 09:12:30,091 INFO L268 CegarLoopResult]: For program point L15-3(line 15) no Hoare annotation was computed. [2020-09-25 09:12:30,092 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-25 09:12:30,092 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 14 34) the Hoare annotation is: true [2020-09-25 09:12:30,092 INFO L268 CegarLoopResult]: For program point L26(lines 26 29) no Hoare annotation was computed. [2020-09-25 09:12:30,092 INFO L268 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2020-09-25 09:12:30,092 INFO L268 CegarLoopResult]: For program point L26-2(lines 24 29) no Hoare annotation was computed. [2020-09-25 09:12:30,092 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-09-25 09:12:30,093 INFO L264 CegarLoopResult]: At program point L22-2(lines 22 31) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0 main_~k~0))) (and (<= main_~l~0 .cse0) (<= .cse0 main_~l~0))) [2020-09-25 09:12:30,093 INFO L264 CegarLoopResult]: At program point L22-3(lines 22 31) the Hoare annotation is: (let ((.cse0 (+ main_~i~0 main_~j~0 main_~k~0))) (or (and (<= main_~l~0 .cse0) (<= .cse0 main_~l~0)) (let ((.cse3 (+ main_~i~0 main_~j~0)) (.cse1 (div .cse0 4294967296)) (.cse2 (div main_~l~0 4294967296))) (and (< (+ main_~l~0 (* 4294967296 .cse1)) (+ main_~i~0 main_~j~0 main_~k~0 (* 4294967296 .cse2) 1)) (< 0 (+ .cse1 1)) (<= main_~i~0 0) (<= .cse0 0) (<= .cse3 0) (<= 0 main_~i~0) (<= 0 .cse3) (< .cse1 (+ .cse2 1)))))) [2020-09-25 09:12:30,093 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-09-25 09:12:30,093 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point L16-2(line 16) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-09-25 09:12:30,094 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed. [2020-09-25 09:12:30,097 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-09-25 09:12:30,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 09:12:30 BoogieIcfgContainer [2020-09-25 09:12:30,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 09:12:30,144 INFO L168 Benchmark]: Toolchain (without parser) took 5878.27 ms. Allocated memory was 140.0 MB in the beginning and 244.3 MB in the end (delta: 104.3 MB). Free memory was 102.8 MB in the beginning and 190.9 MB in the end (delta: -88.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,145 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,149 INFO L168 Benchmark]: Boogie Preprocessor took 116.87 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.6 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,150 INFO L168 Benchmark]: RCFGBuilder took 375.31 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 166.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,151 INFO L168 Benchmark]: TraceAbstraction took 5084.88 ms. Allocated memory was 202.9 MB in the beginning and 244.3 MB in the end (delta: 41.4 MB). Free memory was 166.1 MB in the beginning and 190.9 MB in the end (delta: -24.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2020-09-25 09:12:30,159 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.09 ms. Allocated memory is still 140.0 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.87 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.6 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.31 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 166.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5084.88 ms. Allocated memory was 202.9 MB in the beginning and 244.3 MB in the end (delta: 41.4 MB). Free memory was 166.1 MB in the beginning and 190.9 MB in the end (delta: -24.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: l <= i + j + k && i + j + k <= l - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 113 SDslu, 105 SDs, 0 SdLazy, 378 SolverSat, 22 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 100 HoareAnnotationTreeSize, 9 FomulaSimplifications, 91 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 9856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...