./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cac24a49d7b473be85039a3051680fd486b81b3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 15:04:39,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 15:04:39,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 15:04:39,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 15:04:39,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 15:04:39,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 15:04:39,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 15:04:39,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 15:04:39,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 15:04:39,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 15:04:39,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 15:04:39,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 15:04:39,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 15:04:39,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 15:04:39,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 15:04:39,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 15:04:39,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 15:04:39,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 15:04:39,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 15:04:39,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 15:04:39,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 15:04:39,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 15:04:39,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 15:04:39,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 15:04:39,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 15:04:39,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 15:04:39,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 15:04:39,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 15:04:39,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 15:04:39,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 15:04:39,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 15:04:39,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 15:04:39,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 15:04:39,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 15:04:39,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 15:04:39,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 15:04:39,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 15:04:39,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 15:04:39,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 15:04:39,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 15:04:39,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 15:04:39,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 15:04:39,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 15:04:39,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 15:04:39,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 15:04:39,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 15:04:39,720 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 15:04:39,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 15:04:39,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 15:04:39,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 15:04:39,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 15:04:39,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 15:04:39,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 15:04:39,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 15:04:39,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 15:04:39,728 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 15:04:39,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 15:04:39,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 15:04:39,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 15:04:39,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 15:04:39,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 15:04:39,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 15:04:39,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 15:04:39,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 15:04:39,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 15:04:39,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 15:04:39,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 15:04:39,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 15:04:39,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 15:04:39,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 15:04:39,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 15:04:39,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cac24a49d7b473be85039a3051680fd486b81b3 [2020-07-28 15:04:40,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 15:04:40,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 15:04:40,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 15:04:40,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 15:04:40,038 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 15:04:40,039 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c [2020-07-28 15:04:40,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1ac37a4/f0d0fb89502e46d2b72adb8cad4d4e1e/FLAG21aeef0f4 [2020-07-28 15:04:40,558 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 15:04:40,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c [2020-07-28 15:04:40,566 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1ac37a4/f0d0fb89502e46d2b72adb8cad4d4e1e/FLAG21aeef0f4 [2020-07-28 15:04:40,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e1ac37a4/f0d0fb89502e46d2b72adb8cad4d4e1e [2020-07-28 15:04:40,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 15:04:40,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 15:04:40,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 15:04:40,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 15:04:40,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 15:04:40,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 03:04:40" (1/1) ... [2020-07-28 15:04:40,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ec5438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:40, skipping insertion in model container [2020-07-28 15:04:40,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 03:04:40" (1/1) ... [2020-07-28 15:04:40,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 15:04:40,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 15:04:41,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 15:04:41,162 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 15:04:41,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 15:04:41,197 INFO L208 MainTranslator]: Completed translation [2020-07-28 15:04:41,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41 WrapperNode [2020-07-28 15:04:41,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 15:04:41,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 15:04:41,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 15:04:41,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 15:04:41,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 15:04:41,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 15:04:41,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 15:04:41,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 15:04:41,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (1/1) ... [2020-07-28 15:04:41,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 15:04:41,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 15:04:41,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 15:04:41,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 15:04:41,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (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 [2020-07-28 15:04:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 15:04:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 15:04:41,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 15:04:41,683 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-28 15:04:41,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:41 BoogieIcfgContainer [2020-07-28 15:04:41,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 15:04:41,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 15:04:41,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 15:04:41,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 15:04:41,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 03:04:40" (1/3) ... [2020-07-28 15:04:41,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4607daed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 03:04:41, skipping insertion in model container [2020-07-28 15:04:41,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 03:04:41" (2/3) ... [2020-07-28 15:04:41,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4607daed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 03:04:41, skipping insertion in model container [2020-07-28 15:04:41,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:41" (3/3) ... [2020-07-28 15:04:41,700 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1b.cil.c [2020-07-28 15:04:41,724 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 15:04:41,742 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 15:04:41,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 15:04:41,798 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 15:04:41,799 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 15:04:41,799 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 15:04:41,800 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 15:04:41,800 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 15:04:41,800 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 15:04:41,800 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 15:04:41,800 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 15:04:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-28 15:04:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 15:04:41,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:41,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 15:04:41,822 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:41,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:41,828 INFO L82 PathProgramCache]: Analyzing trace with hash 963424, now seen corresponding path program 1 times [2020-07-28 15:04:41,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:41,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366528209] [2020-07-28 15:04:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:41,995 INFO L280 TraceCheckUtils]: 0: Hoare triple {26#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~s__state~0, main_~s__hit~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {28#(<= ULTIMATE.start_main_~blastFlag~0 0)} is VALID [2020-07-28 15:04:41,997 INFO L280 TraceCheckUtils]: 1: Hoare triple {28#(<= ULTIMATE.start_main_~blastFlag~0 0)} assume !false; {28#(<= ULTIMATE.start_main_~blastFlag~0 0)} is VALID [2020-07-28 15:04:41,998 INFO L280 TraceCheckUtils]: 2: Hoare triple {28#(<= ULTIMATE.start_main_~blastFlag~0 0)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {27#false} is VALID [2020-07-28 15:04:41,999 INFO L280 TraceCheckUtils]: 3: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-28 15:04:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 15:04:42,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366528209] [2020-07-28 15:04:42,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:42,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 15:04:42,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921665502] [2020-07-28 15:04:42,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-28 15:04:42,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:42,015 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:42,029 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:42,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:42,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:42,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:42,043 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 3 states. [2020-07-28 15:04:42,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,240 INFO L93 Difference]: Finished difference Result 65 states and 110 transitions. [2020-07-28 15:04:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:42,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-07-28 15:04:42,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2020-07-28 15:04:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2020-07-28 15:04:42,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 110 transitions. [2020-07-28 15:04:42,435 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,450 INFO L225 Difference]: With dead ends: 65 [2020-07-28 15:04:42,451 INFO L226 Difference]: Without dead ends: 35 [2020-07-28 15:04:42,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-07-28 15:04:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-07-28 15:04:42,515 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:42,516 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand 35 states. [2020-07-28 15:04:42,517 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 15:04:42,517 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 15:04:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,526 INFO L93 Difference]: Finished difference Result 35 states and 51 transitions. [2020-07-28 15:04:42,526 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2020-07-28 15:04:42,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,528 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 35 states. [2020-07-28 15:04:42,529 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 35 states. [2020-07-28 15:04:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,537 INFO L93 Difference]: Finished difference Result 35 states and 51 transitions. [2020-07-28 15:04:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2020-07-28 15:04:42,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,538 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:42,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-07-28 15:04:42,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 51 transitions. [2020-07-28 15:04:42,547 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 51 transitions. Word has length 4 [2020-07-28 15:04:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:42,548 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 51 transitions. [2020-07-28 15:04:42,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2020-07-28 15:04:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-28 15:04:42,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:42,550 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:42,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 15:04:42,550 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:42,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:42,551 INFO L82 PathProgramCache]: Analyzing trace with hash -775387731, now seen corresponding path program 1 times [2020-07-28 15:04:42,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:42,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952112829] [2020-07-28 15:04:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:42,611 INFO L280 TraceCheckUtils]: 0: Hoare triple {235#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~s__state~0, main_~s__hit~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {235#true} is VALID [2020-07-28 15:04:42,612 INFO L280 TraceCheckUtils]: 1: Hoare triple {235#true} assume !false; {235#true} is VALID [2020-07-28 15:04:42,612 INFO L280 TraceCheckUtils]: 2: Hoare triple {235#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {235#true} is VALID [2020-07-28 15:04:42,612 INFO L280 TraceCheckUtils]: 3: Hoare triple {235#true} assume 8466 == main_~s__state~0; {235#true} is VALID [2020-07-28 15:04:42,613 INFO L280 TraceCheckUtils]: 4: Hoare triple {235#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 2; {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,615 INFO L280 TraceCheckUtils]: 5: Hoare triple {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,616 INFO L280 TraceCheckUtils]: 6: Hoare triple {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume !false; {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} is VALID [2020-07-28 15:04:42,617 INFO L280 TraceCheckUtils]: 7: Hoare triple {237#(<= ULTIMATE.start_main_~blastFlag~0 2)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {236#false} is VALID [2020-07-28 15:04:42,618 INFO L280 TraceCheckUtils]: 8: Hoare triple {236#false} assume !false; {236#false} is VALID [2020-07-28 15:04:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 15:04:42,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952112829] [2020-07-28 15:04:42,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:42,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:42,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464685078] [2020-07-28 15:04:42,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 15:04:42,622 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:42,622 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:42,640 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:42,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:42,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:42,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:42,641 INFO L87 Difference]: Start difference. First operand 35 states and 51 transitions. Second operand 3 states. [2020-07-28 15:04:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,762 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2020-07-28 15:04:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:42,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-07-28 15:04:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 15:04:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2020-07-28 15:04:42,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 84 transitions. [2020-07-28 15:04:42,879 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:42,882 INFO L225 Difference]: With dead ends: 69 [2020-07-28 15:04:42,882 INFO L226 Difference]: Without dead ends: 51 [2020-07-28 15:04:42,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:42,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-07-28 15:04:42,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-07-28 15:04:42,911 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:42,911 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2020-07-28 15:04:42,912 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 15:04:42,912 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 15:04:42,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,916 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2020-07-28 15:04:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-07-28 15:04:42,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,917 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,917 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 15:04:42,917 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 15:04:42,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:42,921 INFO L93 Difference]: Finished difference Result 51 states and 74 transitions. [2020-07-28 15:04:42,921 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-07-28 15:04:42,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:42,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:42,922 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:42,922 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-28 15:04:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-07-28 15:04:42,926 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 9 [2020-07-28 15:04:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:42,927 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-07-28 15:04:42,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-07-28 15:04:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 15:04:42,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:42,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:42,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 15:04:42,929 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:42,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:42,929 INFO L82 PathProgramCache]: Analyzing trace with hash -966830088, now seen corresponding path program 1 times [2020-07-28 15:04:42,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:42,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607333598] [2020-07-28 15:04:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:42,970 INFO L280 TraceCheckUtils]: 0: Hoare triple {500#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~s__state~0, main_~s__hit~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {500#true} is VALID [2020-07-28 15:04:42,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {500#true} assume !false; {500#true} is VALID [2020-07-28 15:04:42,971 INFO L280 TraceCheckUtils]: 2: Hoare triple {500#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {500#true} is VALID [2020-07-28 15:04:42,972 INFO L280 TraceCheckUtils]: 3: Hoare triple {500#true} assume 8466 == main_~s__state~0; {500#true} is VALID [2020-07-28 15:04:42,972 INFO L280 TraceCheckUtils]: 4: Hoare triple {500#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 2; {500#true} is VALID [2020-07-28 15:04:42,972 INFO L280 TraceCheckUtils]: 5: Hoare triple {500#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {500#true} is VALID [2020-07-28 15:04:42,973 INFO L280 TraceCheckUtils]: 6: Hoare triple {500#true} assume !false; {500#true} is VALID [2020-07-28 15:04:42,973 INFO L280 TraceCheckUtils]: 7: Hoare triple {500#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {500#true} is VALID [2020-07-28 15:04:42,973 INFO L280 TraceCheckUtils]: 8: Hoare triple {500#true} assume !(8466 == main_~s__state~0); {500#true} is VALID [2020-07-28 15:04:42,974 INFO L280 TraceCheckUtils]: 9: Hoare triple {500#true} assume !(8512 == main_~s__state~0); {500#true} is VALID [2020-07-28 15:04:42,974 INFO L280 TraceCheckUtils]: 10: Hoare triple {500#true} assume !(8640 == main_~s__state~0); {500#true} is VALID [2020-07-28 15:04:42,974 INFO L280 TraceCheckUtils]: 11: Hoare triple {500#true} assume 8656 == main_~s__state~0; {500#true} is VALID [2020-07-28 15:04:42,976 INFO L280 TraceCheckUtils]: 12: Hoare triple {500#true} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {502#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:42,978 INFO L280 TraceCheckUtils]: 13: Hoare triple {502#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume !(4 == main_~blastFlag~0); {502#(<= ULTIMATE.start_main_~blastFlag~0 3)} is VALID [2020-07-28 15:04:42,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {502#(<= ULTIMATE.start_main_~blastFlag~0 3)} assume 5 == main_~blastFlag~0; {501#false} is VALID [2020-07-28 15:04:42,981 INFO L280 TraceCheckUtils]: 15: Hoare triple {501#false} assume !false; {501#false} is VALID [2020-07-28 15:04:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 15:04:42,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607333598] [2020-07-28 15:04:42,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:42,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:42,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319546113] [2020-07-28 15:04:42,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-07-28 15:04:42,984 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:42,985 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:43,005 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:43,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:43,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:43,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,007 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 3 states. [2020-07-28 15:04:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,144 INFO L93 Difference]: Finished difference Result 103 states and 153 transitions. [2020-07-28 15:04:43,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:43,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-07-28 15:04:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2020-07-28 15:04:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2020-07-28 15:04:43,149 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 85 transitions. [2020-07-28 15:04:43,253 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,255 INFO L225 Difference]: With dead ends: 103 [2020-07-28 15:04:43,255 INFO L226 Difference]: Without dead ends: 69 [2020-07-28 15:04:43,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-28 15:04:43,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-07-28 15:04:43,298 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:43,298 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 67 states. [2020-07-28 15:04:43,298 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 67 states. [2020-07-28 15:04:43,299 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 67 states. [2020-07-28 15:04:43,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,303 INFO L93 Difference]: Finished difference Result 69 states and 100 transitions. [2020-07-28 15:04:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-07-28 15:04:43,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,305 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 69 states. [2020-07-28 15:04:43,305 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 69 states. [2020-07-28 15:04:43,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,310 INFO L93 Difference]: Finished difference Result 69 states and 100 transitions. [2020-07-28 15:04:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-07-28 15:04:43,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,311 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,311 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:43,311 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-28 15:04:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 99 transitions. [2020-07-28 15:04:43,316 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 99 transitions. Word has length 16 [2020-07-28 15:04:43,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:43,316 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 99 transitions. [2020-07-28 15:04:43,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2020-07-28 15:04:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 15:04:43,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:43,318 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:43,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 15:04:43,318 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:43,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:43,318 INFO L82 PathProgramCache]: Analyzing trace with hash -782905388, now seen corresponding path program 1 times [2020-07-28 15:04:43,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:43,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079802224] [2020-07-28 15:04:43,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:43,357 INFO L280 TraceCheckUtils]: 0: Hoare triple {867#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~s__state~0, main_~s__hit~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {867#true} is VALID [2020-07-28 15:04:43,357 INFO L280 TraceCheckUtils]: 1: Hoare triple {867#true} assume !false; {867#true} is VALID [2020-07-28 15:04:43,358 INFO L280 TraceCheckUtils]: 2: Hoare triple {867#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {867#true} is VALID [2020-07-28 15:04:43,358 INFO L280 TraceCheckUtils]: 3: Hoare triple {867#true} assume 8466 == main_~s__state~0; {867#true} is VALID [2020-07-28 15:04:43,358 INFO L280 TraceCheckUtils]: 4: Hoare triple {867#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 2; {867#true} is VALID [2020-07-28 15:04:43,359 INFO L280 TraceCheckUtils]: 5: Hoare triple {867#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {867#true} is VALID [2020-07-28 15:04:43,359 INFO L280 TraceCheckUtils]: 6: Hoare triple {867#true} assume !false; {867#true} is VALID [2020-07-28 15:04:43,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {867#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {867#true} is VALID [2020-07-28 15:04:43,360 INFO L280 TraceCheckUtils]: 8: Hoare triple {867#true} assume !(8466 == main_~s__state~0); {867#true} is VALID [2020-07-28 15:04:43,360 INFO L280 TraceCheckUtils]: 9: Hoare triple {867#true} assume !(8512 == main_~s__state~0); {867#true} is VALID [2020-07-28 15:04:43,360 INFO L280 TraceCheckUtils]: 10: Hoare triple {867#true} assume !(8640 == main_~s__state~0); {867#true} is VALID [2020-07-28 15:04:43,361 INFO L280 TraceCheckUtils]: 11: Hoare triple {867#true} assume 8656 == main_~s__state~0; {867#true} is VALID [2020-07-28 15:04:43,361 INFO L280 TraceCheckUtils]: 12: Hoare triple {867#true} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {867#true} is VALID [2020-07-28 15:04:43,361 INFO L280 TraceCheckUtils]: 13: Hoare triple {867#true} assume !(4 == main_~blastFlag~0); {867#true} is VALID [2020-07-28 15:04:43,362 INFO L280 TraceCheckUtils]: 14: Hoare triple {867#true} assume !(5 == main_~blastFlag~0); {867#true} is VALID [2020-07-28 15:04:43,362 INFO L280 TraceCheckUtils]: 15: Hoare triple {867#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8640; {869#(<= 8640 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:43,363 INFO L280 TraceCheckUtils]: 16: Hoare triple {869#(<= 8640 ULTIMATE.start_main_~s__state~0)} assume !false; {869#(<= 8640 ULTIMATE.start_main_~s__state~0)} is VALID [2020-07-28 15:04:43,364 INFO L280 TraceCheckUtils]: 17: Hoare triple {869#(<= 8640 ULTIMATE.start_main_~s__state~0)} assume main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2; {868#false} is VALID [2020-07-28 15:04:43,365 INFO L280 TraceCheckUtils]: 18: Hoare triple {868#false} assume !false; {868#false} is VALID [2020-07-28 15:04:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 15:04:43,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079802224] [2020-07-28 15:04:43,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:43,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:43,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708207548] [2020-07-28 15:04:43,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 15:04:43,368 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:43,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:43,389 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:43,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:43,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:43,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,390 INFO L87 Difference]: Start difference. First operand 67 states and 99 transitions. Second operand 3 states. [2020-07-28 15:04:43,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,511 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions. [2020-07-28 15:04:43,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:43,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 15:04:43,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2020-07-28 15:04:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2020-07-28 15:04:43,515 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 66 transitions. [2020-07-28 15:04:43,592 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,593 INFO L225 Difference]: With dead ends: 137 [2020-07-28 15:04:43,594 INFO L226 Difference]: Without dead ends: 57 [2020-07-28 15:04:43,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-28 15:04:43,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-07-28 15:04:43,626 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:43,626 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand 55 states. [2020-07-28 15:04:43,627 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 55 states. [2020-07-28 15:04:43,627 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 55 states. [2020-07-28 15:04:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,630 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-07-28 15:04:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2020-07-28 15:04:43,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,631 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 57 states. [2020-07-28 15:04:43,631 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 57 states. [2020-07-28 15:04:43,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,634 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2020-07-28 15:04:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2020-07-28 15:04:43,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:43,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-28 15:04:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 71 transitions. [2020-07-28 15:04:43,638 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 71 transitions. Word has length 19 [2020-07-28 15:04:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:43,639 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 71 transitions. [2020-07-28 15:04:43,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2020-07-28 15:04:43,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 15:04:43,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 15:04:43,640 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 15:04:43,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 15:04:43,641 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 15:04:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 15:04:43,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1830460977, now seen corresponding path program 1 times [2020-07-28 15:04:43,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 15:04:43,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614956862] [2020-07-28 15:04:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 15:04:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 15:04:43,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {1234#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~s__state~0, main_~s__hit~0, main_~blastFlag~0, main_~tmp___1~0;havoc main_~s__state~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~s__hit~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~blastFlag~0;havoc main_~tmp___1~0;main_~s__state~0 := 8466;main_~blastFlag~0 := 0; {1234#true} is VALID [2020-07-28 15:04:43,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {1234#true} assume !false; {1234#true} is VALID [2020-07-28 15:04:43,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {1234#true} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1234#true} is VALID [2020-07-28 15:04:43,691 INFO L280 TraceCheckUtils]: 3: Hoare triple {1234#true} assume 8466 == main_~s__state~0; {1234#true} is VALID [2020-07-28 15:04:43,691 INFO L280 TraceCheckUtils]: 4: Hoare triple {1234#true} assume 0 == main_~blastFlag~0;main_~blastFlag~0 := 2; {1234#true} is VALID [2020-07-28 15:04:43,696 INFO L280 TraceCheckUtils]: 5: Hoare triple {1234#true} assume 0 != main_~s__hit~0;main_~s__state~0 := 8656; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !false; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,704 INFO L280 TraceCheckUtils]: 7: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,706 INFO L280 TraceCheckUtils]: 8: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8466 == main_~s__state~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,708 INFO L280 TraceCheckUtils]: 9: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8512 == main_~s__state~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,712 INFO L280 TraceCheckUtils]: 10: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8640 == main_~s__state~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,716 INFO L280 TraceCheckUtils]: 11: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 8656 == main_~s__state~0; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,718 INFO L280 TraceCheckUtils]: 12: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 2 == main_~blastFlag~0;main_~blastFlag~0 := 3; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,721 INFO L280 TraceCheckUtils]: 13: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(4 == main_~blastFlag~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,723 INFO L280 TraceCheckUtils]: 14: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(5 == main_~blastFlag~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,725 INFO L280 TraceCheckUtils]: 15: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 0 != main_~s__hit~0;main_~s__state~0 := 8640; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,727 INFO L280 TraceCheckUtils]: 16: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !false; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,729 INFO L280 TraceCheckUtils]: 17: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,731 INFO L280 TraceCheckUtils]: 18: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8466 == main_~s__state~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,733 INFO L280 TraceCheckUtils]: 19: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(8512 == main_~s__state~0); {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,735 INFO L280 TraceCheckUtils]: 20: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 8640 == main_~s__state~0; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,737 INFO L280 TraceCheckUtils]: 21: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume 3 == main_~blastFlag~0;main_~blastFlag~0 := 4; {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} is VALID [2020-07-28 15:04:43,739 INFO L280 TraceCheckUtils]: 22: Hoare triple {1236#(not (= 0 ULTIMATE.start_main_~s__hit~0))} assume !(0 != main_~s__hit~0);main_~s__state~0 := 8656; {1235#false} is VALID [2020-07-28 15:04:43,739 INFO L280 TraceCheckUtils]: 23: Hoare triple {1235#false} assume !false; {1235#false} is VALID [2020-07-28 15:04:43,739 INFO L280 TraceCheckUtils]: 24: Hoare triple {1235#false} assume !(main_~s__state~0 <= 8512 && main_~blastFlag~0 > 2); {1235#false} is VALID [2020-07-28 15:04:43,740 INFO L280 TraceCheckUtils]: 25: Hoare triple {1235#false} assume !(8466 == main_~s__state~0); {1235#false} is VALID [2020-07-28 15:04:43,740 INFO L280 TraceCheckUtils]: 26: Hoare triple {1235#false} assume !(8512 == main_~s__state~0); {1235#false} is VALID [2020-07-28 15:04:43,740 INFO L280 TraceCheckUtils]: 27: Hoare triple {1235#false} assume !(8640 == main_~s__state~0); {1235#false} is VALID [2020-07-28 15:04:43,740 INFO L280 TraceCheckUtils]: 28: Hoare triple {1235#false} assume 8656 == main_~s__state~0; {1235#false} is VALID [2020-07-28 15:04:43,741 INFO L280 TraceCheckUtils]: 29: Hoare triple {1235#false} assume !(2 == main_~blastFlag~0); {1235#false} is VALID [2020-07-28 15:04:43,741 INFO L280 TraceCheckUtils]: 30: Hoare triple {1235#false} assume !(4 == main_~blastFlag~0); {1235#false} is VALID [2020-07-28 15:04:43,742 INFO L280 TraceCheckUtils]: 31: Hoare triple {1235#false} assume 5 == main_~blastFlag~0; {1235#false} is VALID [2020-07-28 15:04:43,742 INFO L280 TraceCheckUtils]: 32: Hoare triple {1235#false} assume !false; {1235#false} is VALID [2020-07-28 15:04:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 15:04:43,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614956862] [2020-07-28 15:04:43,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 15:04:43,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 15:04:43,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232605786] [2020-07-28 15:04:43,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 15:04:43,751 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 15:04:43,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 15:04:43,789 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 15:04:43,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 15:04:43,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 15:04:43,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,791 INFO L87 Difference]: Start difference. First operand 55 states and 71 transitions. Second operand 3 states. [2020-07-28 15:04:43,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,899 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2020-07-28 15:04:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 15:04:43,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 15:04:43,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 15:04:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2020-07-28 15:04:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 15:04:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2020-07-28 15:04:43,902 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 57 transitions. [2020-07-28 15:04:43,950 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 15:04:43,951 INFO L225 Difference]: With dead ends: 95 [2020-07-28 15:04:43,951 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 15:04:43,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 15:04:43,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 15:04:43,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 15:04:43,952 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 15:04:43,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:43,952 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:43,953 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,953 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 15:04:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:43,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,954 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:43,954 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 15:04:43,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 15:04:43,954 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 15:04:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:43,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 15:04:43,955 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 15:04:43,955 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 15:04:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 15:04:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 15:04:43,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-07-28 15:04:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 15:04:43,955 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 15:04:43,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 15:04:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 15:04:43,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 15:04:43,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 15:04:43,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 15:04:44,117 INFO L268 CegarLoopResult]: For program point L77-1(lines 53 106) no Hoare annotation was computed. [2020-07-28 15:04:44,117 INFO L271 CegarLoopResult]: At program point L139(lines 8 140) the Hoare annotation is: true [2020-07-28 15:04:44,117 INFO L268 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-07-28 15:04:44,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point L24(lines 24 127) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point L57-1(lines 53 106) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 138) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point L49(lines 49 108) no Hoare annotation was computed. [2020-07-28 15:04:44,118 INFO L268 CegarLoopResult]: For program point L45(lines 45 110) no Hoare annotation was computed. [2020-07-28 15:04:44,119 INFO L271 CegarLoopResult]: At program point L136(lines 8 140) the Hoare annotation is: true [2020-07-28 15:04:44,119 INFO L264 CegarLoopResult]: At program point L99(lines 17 134) the Hoare annotation is: (or (<= ULTIMATE.start_main_~blastFlag~0 2) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) (<= 8640 ULTIMATE.start_main_~s__state~0) (<= ULTIMATE.start_main_~blastFlag~0 3))) [2020-07-28 15:04:44,119 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 15:04:44,119 INFO L268 CegarLoopResult]: For program point L95(lines 95 97) no Hoare annotation was computed. [2020-07-28 15:04:44,119 INFO L268 CegarLoopResult]: For program point L29(lines 29 124) no Hoare annotation was computed. [2020-07-28 15:04:44,119 INFO L264 CegarLoopResult]: At program point L25(lines 24 127) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:44,120 INFO L264 CegarLoopResult]: At program point L50(lines 49 108) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and (<= ULTIMATE.start_main_~blastFlag~0 2) .cse0) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) .cse0 (<= ULTIMATE.start_main_~blastFlag~0 3)))) [2020-07-28 15:04:44,120 INFO L264 CegarLoopResult]: At program point L46(lines 45 110) the Hoare annotation is: (let ((.cse0 (<= 8640 ULTIMATE.start_main_~s__state~0))) (or (and (<= ULTIMATE.start_main_~blastFlag~0 2) .cse0) (and (not (= 0 ULTIMATE.start_main_~s__hit~0)) .cse0 (<= ULTIMATE.start_main_~blastFlag~0 3)))) [2020-07-28 15:04:44,120 INFO L264 CegarLoopResult]: At program point L96(lines 8 140) the Hoare annotation is: false [2020-07-28 15:04:44,120 INFO L264 CegarLoopResult]: At program point L30(lines 29 124) the Hoare annotation is: (<= ULTIMATE.start_main_~blastFlag~0 2) [2020-07-28 15:04:44,120 INFO L268 CegarLoopResult]: For program point L92-1(lines 53 106) no Hoare annotation was computed. [2020-07-28 15:04:44,121 INFO L268 CegarLoopResult]: For program point L88-1(lines 53 106) no Hoare annotation was computed. [2020-07-28 15:04:44,121 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed. [2020-07-28 15:04:44,125 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-28 15:04:44,126 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 15:04:44,127 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-28 15:04:44,128 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L77-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-28 15:04:44,129 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-28 15:04:44,130 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-28 15:04:44,130 WARN L170 areAnnotationChecker]: L92-1 has no Hoare annotation [2020-07-28 15:04:44,130 WARN L170 areAnnotationChecker]: L92-1 has no Hoare annotation [2020-07-28 15:04:44,130 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 15:04:44,130 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-28 15:04:44,130 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 15:04:44,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 03:04:44 BoogieIcfgContainer [2020-07-28 15:04:44,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 15:04:44,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 15:04:44,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 15:04:44,146 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 15:04:44,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 03:04:41" (3/4) ... [2020-07-28 15:04:44,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 15:04:44,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-28 15:04:44,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 15:04:44,229 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 15:04:44,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 15:04:44,237 INFO L168 Benchmark]: Toolchain (without parser) took 3294.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 956.2 MB in the beginning and 834.2 MB in the end (delta: 122.0 MB). Peak memory consumption was 266.2 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,237 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 15:04:44,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,239 INFO L168 Benchmark]: Boogie Preprocessor took 23.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,242 INFO L168 Benchmark]: RCFGBuilder took 372.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,245 INFO L168 Benchmark]: TraceAbstraction took 2454.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 840.8 MB in the end (delta: 273.7 MB). Peak memory consumption was 273.7 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,246 INFO L168 Benchmark]: Witness Printer took 88.46 ms. Allocated memory is still 1.2 GB. Free memory was 840.8 MB in the beginning and 834.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 15:04:44,249 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 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.92 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 372.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2454.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 840.8 MB in the end (delta: 273.7 MB). Peak memory consumption was 273.7 MB. Max. memory is 11.5 GB. * Witness Printer took 88.46 ms. Allocated memory is still 1.2 GB. Free memory was 840.8 MB in the beginning and 834.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 138]: 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: 8]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && 8640 <= s__state) || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: blastFlag <= 2 || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (blastFlag <= 2 && 8640 <= s__state) || ((!(0 == s__hit) && 8640 <= s__state) && blastFlag <= 3) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 82 SDslu, 77 SDs, 0 SdLazy, 77 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 30 NumberOfFragments, 62 HoareAnnotationTreeSize, 8 FomulaSimplifications, 123 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 40/40 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...