./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --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/ldv-regression/rule57_ebda_blast.i -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 5bd9acabc787c85c1c19cc6cf3cadf31b36d243b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:58:13,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:58:13,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:58:13,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:58:13,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:58:13,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:58:13,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:58:13,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:58:13,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:58:13,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:58:13,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:58:13,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:58:13,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:58:13,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:58:13,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:58:13,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:58:13,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:58:13,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:58:13,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:58:13,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:58:13,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:58:13,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:58:13,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:58:13,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:58:13,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:58:13,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:58:13,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:58:13,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:58:13,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:58:13,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:58:13,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:58:13,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:58:13,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:58:13,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:58:13,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:58:13,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:58:13,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:58:13,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:58:13,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:58:13,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:58:13,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:58:13,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:58:13,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:58:13,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:58:13,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:58:13,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:58:13,895 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:58:13,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:58:13,895 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:58:13,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:58:13,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:58:13,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:58:13,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:58:13,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:58:13,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:58:13,897 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:58:13,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:58:13,898 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:58:13,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:58:13,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:58:13,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:58:13,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:58:13,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:58:13,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:58:13,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:58:13,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:58:13,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:58:13,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:58:13,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:58:13,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:58:13,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:58:13,901 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 -> 5bd9acabc787c85c1c19cc6cf3cadf31b36d243b [2020-07-28 17:58:14,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:58:14,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:58:14,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:58:14,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:58:14,240 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:58:14,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-07-28 17:58:14,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e7c1ff4/4fcc6e3df7074232be49f51bc2597c2e/FLAGe3341febb [2020-07-28 17:58:14,772 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:58:14,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-07-28 17:58:14,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e7c1ff4/4fcc6e3df7074232be49f51bc2597c2e/FLAGe3341febb [2020-07-28 17:58:15,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e7c1ff4/4fcc6e3df7074232be49f51bc2597c2e [2020-07-28 17:58:15,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:58:15,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:58:15,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:58:15,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:58:15,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:58:15,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aa9f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15, skipping insertion in model container [2020-07-28 17:58:15,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:58:15,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:58:15,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:58:15,408 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:58:15,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:58:15,527 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:58:15,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15 WrapperNode [2020-07-28 17:58:15,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:58:15,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:58:15,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:58:15,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:58:15,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:58:15,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:58:15,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:58:15,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:58:15,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (1/1) ... [2020-07-28 17:58:15,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:58:15,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:58:15,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:58:15,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:58:15,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (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 17:58:15,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-28 17:58:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-28 17:58:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:58:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-28 17:58:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:58:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:58:16,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:58:16,231 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-28 17:58:16,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:16 BoogieIcfgContainer [2020-07-28 17:58:16,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:58:16,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:58:16,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:58:16,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:58:16,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:58:15" (1/3) ... [2020-07-28 17:58:16,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0543a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:58:16, skipping insertion in model container [2020-07-28 17:58:16,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:58:15" (2/3) ... [2020-07-28 17:58:16,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0543a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:58:16, skipping insertion in model container [2020-07-28 17:58:16,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:16" (3/3) ... [2020-07-28 17:58:16,242 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-07-28 17:58:16,252 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:58:16,259 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:58:16,273 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:58:16,295 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:58:16,296 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:58:16,296 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:58:16,296 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:58:16,297 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:58:16,298 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:58:16,298 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:58:16,298 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:58:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-07-28 17:58:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-28 17:58:16,320 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:58:16,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:58:16,321 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:58:16,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:58:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1394363303, now seen corresponding path program 1 times [2020-07-28 17:58:16,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:58:16,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238498638] [2020-07-28 17:58:16,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:58:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:58:16,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {31#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0;~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 1; {31#true} is VALID [2020-07-28 17:58:16,563 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#true} havoc main_#res;havoc main_#t~ret10;havoc ebda_rsrc_controller_#res;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset, ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset, ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset, ebda_rsrc_controller_#t~ret7, ebda_rsrc_controller_#t~ret8, ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset, ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset, ebda_rsrc_controller_~rc~0;havoc ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset;havoc ebda_rsrc_controller_~rc~0;kzalloc_#in~size, kzalloc_#in~flags := 8, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {33#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} is VALID [2020-07-28 17:58:16,564 INFO L280 TraceCheckUtils]: 2: Hoare triple {33#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {34#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} is VALID [2020-07-28 17:58:16,565 INFO L280 TraceCheckUtils]: 3: Hoare triple {34#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset := kzalloc_#res.base, kzalloc_#res.offset;ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset := ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset; {35#(not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))} is VALID [2020-07-28 17:58:16,567 INFO L280 TraceCheckUtils]: 4: Hoare triple {35#(not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))} assume ebda_rsrc_controller_~hp_slot_ptr~0.base == 0 && ebda_rsrc_controller_~hp_slot_ptr~0.offset == 0;ebda_rsrc_controller_~rc~0 := -2; {32#false} is VALID [2020-07-28 17:58:16,567 INFO L280 TraceCheckUtils]: 5: Hoare triple {32#false} ebda_rsrc_controller_#res := ebda_rsrc_controller_~rc~0; {32#false} is VALID [2020-07-28 17:58:16,568 INFO L280 TraceCheckUtils]: 6: Hoare triple {32#false} main_#t~ret10 := ebda_rsrc_controller_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;havoc main_#t~ret10; {32#false} is VALID [2020-07-28 17:58:16,568 INFO L280 TraceCheckUtils]: 7: Hoare triple {32#false} assume 0 == ~used_tmp_slot~0; {32#false} is VALID [2020-07-28 17:58:16,569 INFO L280 TraceCheckUtils]: 8: Hoare triple {32#false} assume !(0 != ~freed_tmp_slot~0); {32#false} is VALID [2020-07-28 17:58:16,569 INFO L280 TraceCheckUtils]: 9: Hoare triple {32#false} assume !false; {32#false} is VALID [2020-07-28 17:58:16,572 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 17:58:16,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238498638] [2020-07-28 17:58:16,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:58:16,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 17:58:16,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167611662] [2020-07-28 17:58:16,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 17:58:16,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:58:16,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 17:58:16,610 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:16,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 17:58:16,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:58:16,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 17:58:16,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 17:58:16,623 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2020-07-28 17:58:16,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:16,867 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2020-07-28 17:58:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:58:16,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-07-28 17:58:16,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:58:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 17:58:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 45 transitions. [2020-07-28 17:58:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 17:58:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 45 transitions. [2020-07-28 17:58:16,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 45 transitions. [2020-07-28 17:58:16,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:16,964 INFO L225 Difference]: With dead ends: 37 [2020-07-28 17:58:16,965 INFO L226 Difference]: Without dead ends: 25 [2020-07-28 17:58:16,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:58:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-28 17:58:17,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-28 17:58:17,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:58:17,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,026 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,027 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,030 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-07-28 17:58:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-07-28 17:58:17,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:17,031 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:17,031 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,032 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,035 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2020-07-28 17:58:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-07-28 17:58:17,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:17,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:17,036 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:58:17,036 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:58:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-28 17:58:17,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-07-28 17:58:17,040 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 10 [2020-07-28 17:58:17,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:58:17,041 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-07-28 17:58:17,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 17:58:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-07-28 17:58:17,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-28 17:58:17,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:58:17,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:58:17,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:58:17,043 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:58:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:58:17,043 INFO L82 PathProgramCache]: Analyzing trace with hash -548293261, now seen corresponding path program 1 times [2020-07-28 17:58:17,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:58:17,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884303307] [2020-07-28 17:58:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:58:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:58:17,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {176#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0;~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 1; {176#true} is VALID [2020-07-28 17:58:17,144 INFO L280 TraceCheckUtils]: 1: Hoare triple {176#true} havoc main_#res;havoc main_#t~ret10;havoc ebda_rsrc_controller_#res;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset, ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset, ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset, ebda_rsrc_controller_#t~ret7, ebda_rsrc_controller_#t~ret8, ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset, ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset, ebda_rsrc_controller_~rc~0;havoc ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset;havoc ebda_rsrc_controller_~rc~0;kzalloc_#in~size, kzalloc_#in~flags := 8, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {176#true} is VALID [2020-07-28 17:58:17,145 INFO L280 TraceCheckUtils]: 2: Hoare triple {176#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {176#true} is VALID [2020-07-28 17:58:17,145 INFO L280 TraceCheckUtils]: 3: Hoare triple {176#true} ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset := kzalloc_#res.base, kzalloc_#res.offset;ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset := ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset; {176#true} is VALID [2020-07-28 17:58:17,148 INFO L280 TraceCheckUtils]: 4: Hoare triple {176#true} assume !(ebda_rsrc_controller_~hp_slot_ptr~0.base == 0 && ebda_rsrc_controller_~hp_slot_ptr~0.offset == 0);call write~int(5, ebda_rsrc_controller_~hp_slot_ptr~0.base, 4 + ebda_rsrc_controller_~hp_slot_ptr~0.offset, 4);kzalloc_#in~size, kzalloc_#in~flags := 16, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {178#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} is VALID [2020-07-28 17:58:17,149 INFO L280 TraceCheckUtils]: 5: Hoare triple {178#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {179#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} is VALID [2020-07-28 17:58:17,150 INFO L280 TraceCheckUtils]: 6: Hoare triple {179#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset := kzalloc_#res.base, kzalloc_#res.offset;~tmp_slot~0.base, ~tmp_slot~0.offset := ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset;havoc ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset; {180#(not (= 0 ~tmp_slot~0.base))} is VALID [2020-07-28 17:58:17,151 INFO L280 TraceCheckUtils]: 7: Hoare triple {180#(not (= 0 ~tmp_slot~0.base))} assume ~tmp_slot~0.base == 0 && ~tmp_slot~0.offset == 0;ebda_rsrc_controller_~rc~0 := -2; {177#false} is VALID [2020-07-28 17:58:17,151 INFO L280 TraceCheckUtils]: 8: Hoare triple {177#false} ebda_rsrc_controller_#res := ebda_rsrc_controller_~rc~0; {177#false} is VALID [2020-07-28 17:58:17,151 INFO L280 TraceCheckUtils]: 9: Hoare triple {177#false} main_#t~ret10 := ebda_rsrc_controller_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;havoc main_#t~ret10; {177#false} is VALID [2020-07-28 17:58:17,152 INFO L280 TraceCheckUtils]: 10: Hoare triple {177#false} assume 0 == ~used_tmp_slot~0; {177#false} is VALID [2020-07-28 17:58:17,152 INFO L280 TraceCheckUtils]: 11: Hoare triple {177#false} assume !(0 != ~freed_tmp_slot~0); {177#false} is VALID [2020-07-28 17:58:17,152 INFO L280 TraceCheckUtils]: 12: Hoare triple {177#false} assume !false; {177#false} is VALID [2020-07-28 17:58:17,154 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 17:58:17,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884303307] [2020-07-28 17:58:17,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:58:17,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 17:58:17,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789682103] [2020-07-28 17:58:17,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 17:58:17,161 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:58:17,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 17:58:17,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:17,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 17:58:17,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:58:17,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 17:58:17,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 17:58:17,195 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 5 states. [2020-07-28 17:58:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,428 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2020-07-28 17:58:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:58:17,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-28 17:58:17,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:58:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 17:58:17,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2020-07-28 17:58:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 17:58:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2020-07-28 17:58:17,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 34 transitions. [2020-07-28 17:58:17,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:17,485 INFO L225 Difference]: With dead ends: 31 [2020-07-28 17:58:17,485 INFO L226 Difference]: Without dead ends: 25 [2020-07-28 17:58:17,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 17:58:17,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-28 17:58:17,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-28 17:58:17,518 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:58:17,518 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,518 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,519 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,521 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2020-07-28 17:58:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-07-28 17:58:17,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:17,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:17,522 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,523 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:17,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,525 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2020-07-28 17:58:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-07-28 17:58:17,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:17,526 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:17,526 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:58:17,527 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:58:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-28 17:58:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2020-07-28 17:58:17,529 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2020-07-28 17:58:17,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:58:17,529 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2020-07-28 17:58:17,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 17:58:17,530 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-07-28 17:58:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 17:58:17,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:58:17,531 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] [2020-07-28 17:58:17,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:58:17,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:58:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:58:17,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1100697989, now seen corresponding path program 1 times [2020-07-28 17:58:17,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:58:17,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132009111] [2020-07-28 17:58:17,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:58:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:58:17,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {316#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0;~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 1; {316#true} is VALID [2020-07-28 17:58:17,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {316#true} havoc main_#res;havoc main_#t~ret10;havoc ebda_rsrc_controller_#res;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset, ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset, ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset, ebda_rsrc_controller_#t~ret7, ebda_rsrc_controller_#t~ret8, ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset, ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset, ebda_rsrc_controller_~rc~0;havoc ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset;havoc ebda_rsrc_controller_~rc~0;kzalloc_#in~size, kzalloc_#in~flags := 8, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {316#true} is VALID [2020-07-28 17:58:17,655 INFO L280 TraceCheckUtils]: 2: Hoare triple {316#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {316#true} is VALID [2020-07-28 17:58:17,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {316#true} ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset := kzalloc_#res.base, kzalloc_#res.offset;ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset := ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset; {316#true} is VALID [2020-07-28 17:58:17,657 INFO L280 TraceCheckUtils]: 4: Hoare triple {316#true} assume !(ebda_rsrc_controller_~hp_slot_ptr~0.base == 0 && ebda_rsrc_controller_~hp_slot_ptr~0.offset == 0);call write~int(5, ebda_rsrc_controller_~hp_slot_ptr~0.base, 4 + ebda_rsrc_controller_~hp_slot_ptr~0.offset, 4);kzalloc_#in~size, kzalloc_#in~flags := 16, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {316#true} is VALID [2020-07-28 17:58:17,657 INFO L280 TraceCheckUtils]: 5: Hoare triple {316#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {316#true} is VALID [2020-07-28 17:58:17,658 INFO L280 TraceCheckUtils]: 6: Hoare triple {316#true} ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset := kzalloc_#res.base, kzalloc_#res.offset;~tmp_slot~0.base, ~tmp_slot~0.offset := ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset;havoc ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset; {316#true} is VALID [2020-07-28 17:58:17,659 INFO L280 TraceCheckUtils]: 7: Hoare triple {316#true} assume !(~tmp_slot~0.base == 0 && ~tmp_slot~0.offset == 0);~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 0;call write~int(2, ~tmp_slot~0.base, ~tmp_slot~0.offset, 4);call write~int(3, ~tmp_slot~0.base, 4 + ~tmp_slot~0.offset, 4);havoc ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset;havoc ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset;kzalloc_#in~size, kzalloc_#in~flags := 0, 0;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {318#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} is VALID [2020-07-28 17:58:17,660 INFO L280 TraceCheckUtils]: 8: Hoare triple {318#(not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|))} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {319#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} is VALID [2020-07-28 17:58:17,661 INFO L280 TraceCheckUtils]: 9: Hoare triple {319#(not (= 0 |ULTIMATE.start_kzalloc_#res.base|))} ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset := kzalloc_#res.base, kzalloc_#res.offset;ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset := ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset;havoc ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset; {320#(not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|))} is VALID [2020-07-28 17:58:17,663 INFO L280 TraceCheckUtils]: 10: Hoare triple {320#(not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|))} ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset := ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset;ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset := ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset;havoc ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset; {321#(not (= 0 ULTIMATE.start_ebda_rsrc_controller_~bus_info_ptr1~0.base))} is VALID [2020-07-28 17:58:17,664 INFO L280 TraceCheckUtils]: 11: Hoare triple {321#(not (= 0 ULTIMATE.start_ebda_rsrc_controller_~bus_info_ptr1~0.base))} assume ebda_rsrc_controller_~bus_info_ptr1~0.base == 0 && ebda_rsrc_controller_~bus_info_ptr1~0.offset == 0;ebda_rsrc_controller_~rc~0 := -3; {317#false} is VALID [2020-07-28 17:58:17,664 INFO L280 TraceCheckUtils]: 12: Hoare triple {317#false} call ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset := read~$Pointer$(ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, 4);kfree_#in~p.base, kfree_#in~p.offset := ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset;havoc kfree_~p.base, kfree_~p.offset;kfree_~p.base, kfree_~p.offset := kfree_#in~p.base, kfree_#in~p.offset; {317#false} is VALID [2020-07-28 17:58:17,664 INFO L280 TraceCheckUtils]: 13: Hoare triple {317#false} assume (kfree_~p.base != 0 || kfree_~p.offset != 0) && kfree_~p.base == ~tmp_slot~0.base && kfree_~p.offset == ~tmp_slot~0.offset;~freed_tmp_slot~0 := 1; {317#false} is VALID [2020-07-28 17:58:17,665 INFO L280 TraceCheckUtils]: 14: Hoare triple {317#false} havoc ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset; {317#false} is VALID [2020-07-28 17:58:17,665 INFO L280 TraceCheckUtils]: 15: Hoare triple {317#false} ebda_rsrc_controller_#res := ebda_rsrc_controller_~rc~0; {317#false} is VALID [2020-07-28 17:58:17,666 INFO L280 TraceCheckUtils]: 16: Hoare triple {317#false} main_#t~ret10 := ebda_rsrc_controller_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;havoc main_#t~ret10; {317#false} is VALID [2020-07-28 17:58:17,666 INFO L280 TraceCheckUtils]: 17: Hoare triple {317#false} assume 0 == ~used_tmp_slot~0; {317#false} is VALID [2020-07-28 17:58:17,666 INFO L280 TraceCheckUtils]: 18: Hoare triple {317#false} assume !(0 != ~freed_tmp_slot~0); {317#false} is VALID [2020-07-28 17:58:17,667 INFO L280 TraceCheckUtils]: 19: Hoare triple {317#false} assume !false; {317#false} is VALID [2020-07-28 17:58:17,669 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 17:58:17,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132009111] [2020-07-28 17:58:17,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:58:17,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 17:58:17,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771869765] [2020-07-28 17:58:17,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-07-28 17:58:17,674 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:58:17,674 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 17:58:17,707 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:17,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 17:58:17,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:58:17,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 17:58:17,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 17:58:17,709 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 6 states. [2020-07-28 17:58:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:17,981 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2020-07-28 17:58:17,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 17:58:17,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-07-28 17:58:17,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:58:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:58:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2020-07-28 17:58:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:58:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2020-07-28 17:58:17,986 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 37 transitions. [2020-07-28 17:58:18,038 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:18,039 INFO L225 Difference]: With dead ends: 34 [2020-07-28 17:58:18,040 INFO L226 Difference]: Without dead ends: 25 [2020-07-28 17:58:18,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 17:58:18,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-28 17:58:18,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-28 17:58:18,069 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:58:18,069 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:18,070 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:18,070 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:18,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:18,072 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2020-07-28 17:58:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-07-28 17:58:18,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:18,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:18,073 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:18,073 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-28 17:58:18,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:18,075 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2020-07-28 17:58:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-07-28 17:58:18,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:18,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:18,077 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:58:18,077 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:58:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-28 17:58:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-07-28 17:58:18,079 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 20 [2020-07-28 17:58:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:58:18,079 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-07-28 17:58:18,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 17:58:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-07-28 17:58:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-28 17:58:18,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:58:18,080 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] [2020-07-28 17:58:18,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 17:58:18,081 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:58:18,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:58:18,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1521256958, now seen corresponding path program 1 times [2020-07-28 17:58:18,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:58:18,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943837375] [2020-07-28 17:58:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:58:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:58:18,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {461#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~tmp_slot~0.base, ~tmp_slot~0.offset := 0, 0;~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 1; {461#true} is VALID [2020-07-28 17:58:18,184 INFO L280 TraceCheckUtils]: 1: Hoare triple {461#true} havoc main_#res;havoc main_#t~ret10;havoc ebda_rsrc_controller_#res;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset, ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset, ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset, ebda_rsrc_controller_#t~ret7, ebda_rsrc_controller_#t~ret8, ebda_rsrc_controller_#t~mem9.base, ebda_rsrc_controller_#t~mem9.offset, ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset, ebda_rsrc_controller_~rc~0;havoc ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset;havoc ebda_rsrc_controller_~rc~0;kzalloc_#in~size, kzalloc_#in~flags := 8, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {461#true} is VALID [2020-07-28 17:58:18,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {461#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {461#true} is VALID [2020-07-28 17:58:18,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {461#true} ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset := kzalloc_#res.base, kzalloc_#res.offset;ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset := ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset;havoc ebda_rsrc_controller_#t~ret4.base, ebda_rsrc_controller_#t~ret4.offset; {461#true} is VALID [2020-07-28 17:58:18,184 INFO L280 TraceCheckUtils]: 4: Hoare triple {461#true} assume !(ebda_rsrc_controller_~hp_slot_ptr~0.base == 0 && ebda_rsrc_controller_~hp_slot_ptr~0.offset == 0);call write~int(5, ebda_rsrc_controller_~hp_slot_ptr~0.base, 4 + ebda_rsrc_controller_~hp_slot_ptr~0.offset, 4);kzalloc_#in~size, kzalloc_#in~flags := 16, 1;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {461#true} is VALID [2020-07-28 17:58:18,185 INFO L280 TraceCheckUtils]: 5: Hoare triple {461#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {461#true} is VALID [2020-07-28 17:58:18,185 INFO L280 TraceCheckUtils]: 6: Hoare triple {461#true} ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset := kzalloc_#res.base, kzalloc_#res.offset;~tmp_slot~0.base, ~tmp_slot~0.offset := ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset;havoc ebda_rsrc_controller_#t~ret5.base, ebda_rsrc_controller_#t~ret5.offset; {461#true} is VALID [2020-07-28 17:58:18,185 INFO L280 TraceCheckUtils]: 7: Hoare triple {461#true} assume !(~tmp_slot~0.base == 0 && ~tmp_slot~0.offset == 0);~used_tmp_slot~0 := 0;~freed_tmp_slot~0 := 0;call write~int(2, ~tmp_slot~0.base, ~tmp_slot~0.offset, 4);call write~int(3, ~tmp_slot~0.base, 4 + ~tmp_slot~0.offset, 4);havoc ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset;havoc ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset;kzalloc_#in~size, kzalloc_#in~flags := 0, 0;havoc kzalloc_#res.base, kzalloc_#res.offset;havoc kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, kzalloc_~size, kzalloc_~flags;kzalloc_~size := kzalloc_#in~size;kzalloc_~flags := kzalloc_#in~flags;call kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset := #Ultimate.allocOnHeap(kzalloc_~size);#Ultimate.meminit_#ptr.base, #Ultimate.meminit_#ptr.offset, #Ultimate.meminit_#amountOfFields, #Ultimate.meminit_#sizeOfFields, #Ultimate.meminit_#product := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset, 1, kzalloc_~size, kzalloc_~size;#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, #Ultimate.meminit_#ptr.base); {461#true} is VALID [2020-07-28 17:58:18,186 INFO L280 TraceCheckUtils]: 8: Hoare triple {461#true} kzalloc_#res.base, kzalloc_#res.offset := kzalloc_#t~malloc0.base, kzalloc_#t~malloc0.offset; {461#true} is VALID [2020-07-28 17:58:18,186 INFO L280 TraceCheckUtils]: 9: Hoare triple {461#true} ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset := kzalloc_#res.base, kzalloc_#res.offset;ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset := ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset;havoc ibmphp_find_same_bus_num_#t~ret1.base, ibmphp_find_same_bus_num_#t~ret1.offset; {461#true} is VALID [2020-07-28 17:58:18,186 INFO L280 TraceCheckUtils]: 10: Hoare triple {461#true} ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset := ibmphp_find_same_bus_num_#res.base, ibmphp_find_same_bus_num_#res.offset;ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset := ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset;havoc ebda_rsrc_controller_#t~ret6.base, ebda_rsrc_controller_#t~ret6.offset; {461#true} is VALID [2020-07-28 17:58:18,187 INFO L280 TraceCheckUtils]: 11: Hoare triple {461#true} assume !(ebda_rsrc_controller_~bus_info_ptr1~0.base == 0 && ebda_rsrc_controller_~bus_info_ptr1~0.offset == 0);call write~$Pointer$(ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset, ~tmp_slot~0.base, 12 + ~tmp_slot~0.offset, 4);ebda_rsrc_controller_~bus_info_ptr1~0.base, ebda_rsrc_controller_~bus_info_ptr1~0.offset := 0, 0;call write~$Pointer$(ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, ~tmp_slot~0.base, 8 + ~tmp_slot~0.offset, 4);call write~$Pointer$(~tmp_slot~0.base, ~tmp_slot~0.offset, ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset, 4);~used_tmp_slot~0 := 1;fillslotinfo_#in~p.base, fillslotinfo_#in~p.offset := ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc fillslotinfo_#res;havoc fillslotinfo_#t~nondet2, fillslotinfo_~p.base, fillslotinfo_~p.offset;fillslotinfo_~p.base, fillslotinfo_~p.offset := fillslotinfo_#in~p.base, fillslotinfo_#in~p.offset;assume -2147483648 <= fillslotinfo_#t~nondet2 && fillslotinfo_#t~nondet2 <= 2147483647;fillslotinfo_#res := fillslotinfo_#t~nondet2;havoc fillslotinfo_#t~nondet2; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,188 INFO L280 TraceCheckUtils]: 12: Hoare triple {463#(= ~used_tmp_slot~0 1)} ebda_rsrc_controller_#t~ret7 := fillslotinfo_#res;assume -2147483648 <= ebda_rsrc_controller_#t~ret7 && ebda_rsrc_controller_#t~ret7 <= 2147483647;ebda_rsrc_controller_~rc~0 := ebda_rsrc_controller_#t~ret7;havoc ebda_rsrc_controller_#t~ret7; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,189 INFO L280 TraceCheckUtils]: 13: Hoare triple {463#(= ~used_tmp_slot~0 1)} assume !(0 != ebda_rsrc_controller_~rc~0);ibmphp_init_devno_#in~pp.base, ibmphp_init_devno_#in~pp.offset := ebda_rsrc_controller_~hp_slot_ptr~0.base, ebda_rsrc_controller_~hp_slot_ptr~0.offset;havoc ibmphp_init_devno_#res;havoc ibmphp_init_devno_#t~nondet3, ibmphp_init_devno_~pp.base, ibmphp_init_devno_~pp.offset;ibmphp_init_devno_~pp.base, ibmphp_init_devno_~pp.offset := ibmphp_init_devno_#in~pp.base, ibmphp_init_devno_#in~pp.offset;assume -2147483648 <= ibmphp_init_devno_#t~nondet3 && ibmphp_init_devno_#t~nondet3 <= 2147483647;ibmphp_init_devno_#res := ibmphp_init_devno_#t~nondet3;havoc ibmphp_init_devno_#t~nondet3; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,190 INFO L280 TraceCheckUtils]: 14: Hoare triple {463#(= ~used_tmp_slot~0 1)} ebda_rsrc_controller_#t~ret8 := ibmphp_init_devno_#res;assume -2147483648 <= ebda_rsrc_controller_#t~ret8 && ebda_rsrc_controller_#t~ret8 <= 2147483647;ebda_rsrc_controller_~rc~0 := ebda_rsrc_controller_#t~ret8;havoc ebda_rsrc_controller_#t~ret8; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,191 INFO L280 TraceCheckUtils]: 15: Hoare triple {463#(= ~used_tmp_slot~0 1)} assume !(0 != ebda_rsrc_controller_~rc~0);ebda_rsrc_controller_#res := 0; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,191 INFO L280 TraceCheckUtils]: 16: Hoare triple {463#(= ~used_tmp_slot~0 1)} main_#t~ret10 := ebda_rsrc_controller_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;havoc main_#t~ret10; {463#(= ~used_tmp_slot~0 1)} is VALID [2020-07-28 17:58:18,192 INFO L280 TraceCheckUtils]: 17: Hoare triple {463#(= ~used_tmp_slot~0 1)} assume 0 == ~used_tmp_slot~0; {462#false} is VALID [2020-07-28 17:58:18,193 INFO L280 TraceCheckUtils]: 18: Hoare triple {462#false} assume !(0 != ~freed_tmp_slot~0); {462#false} is VALID [2020-07-28 17:58:18,193 INFO L280 TraceCheckUtils]: 19: Hoare triple {462#false} assume !false; {462#false} is VALID [2020-07-28 17:58:18,194 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 17:58:18,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943837375] [2020-07-28 17:58:18,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:58:18,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 17:58:18,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870779600] [2020-07-28 17:58:18,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 17:58:18,196 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:58:18,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 17:58:18,225 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:18,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 17:58:18,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:58:18,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 17:58:18,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 17:58:18,226 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 3 states. [2020-07-28 17:58:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:18,304 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2020-07-28 17:58:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 17:58:18,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-07-28 17:58:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:58:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 17:58:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 17:58:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 17:58:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2020-07-28 17:58:18,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 27 transitions. [2020-07-28 17:58:18,340 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:58:18,341 INFO L225 Difference]: With dead ends: 25 [2020-07-28 17:58:18,341 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:58:18,341 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 17:58:18,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:58:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:58:18,342 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:58:18,342 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:18,342 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:18,342 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:18,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:18,343 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:58:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:18,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:18,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:18,343 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:18,343 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:58:18,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:58:18,344 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:58:18,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:18,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:18,344 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:58:18,344 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:58:18,344 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:58:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:58:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:58:18,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-07-28 17:58:18,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:58:18,345 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:58:18,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 17:58:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:58:18,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:58:18,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 17:58:18,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:58:18,528 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-07-28 17:58:18,529 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,529 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-07-28 17:58:18,529 INFO L268 CegarLoopResult]: For program point L48(lines 48 51) no Hoare annotation was computed. [2020-07-28 17:58:18,529 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-07-28 17:58:18,529 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-07-28 17:58:18,529 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-07-28 17:58:18,530 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-07-28 17:58:18,531 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-07-28 17:58:18,531 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-07-28 17:58:18,531 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-28 17:58:18,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:58:18,531 INFO L264 CegarLoopResult]: At program point L62(lines 60 63) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,532 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,532 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,532 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,532 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (and (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,533 INFO L268 CegarLoopResult]: For program point L133(lines 133 137) no Hoare annotation was computed. [2020-07-28 17:58:18,533 INFO L264 CegarLoopResult]: At program point L67(lines 65 68) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,533 INFO L264 CegarLoopResult]: At program point L55(lines 54 56) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,533 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-07-28 17:58:18,533 INFO L264 CegarLoopResult]: At program point L130(lines 70 131) the Hoare annotation is: (and (not (= 0 |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base|)) (= ~used_tmp_slot~0 1) (not (= 0 ~tmp_slot~0.base)) (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= 0 |ULTIMATE.start_kzalloc_#t~malloc0.base|)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2020-07-28 17:58:18,538 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:58:18,538 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:58:18,538 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-28 17:58:18,538 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:58:18,539 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:58:18,539 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 17:58:18,540 WARN L170 areAnnotationChecker]: L-1-2 has no Hoare annotation [2020-07-28 17:58:18,540 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:58:18,540 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-28 17:58:18,541 WARN L170 areAnnotationChecker]: L-1-3 has no Hoare annotation [2020-07-28 17:58:18,542 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-28 17:58:18,542 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-28 17:58:18,542 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:58:18,543 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:58:18,543 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:58:18,543 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-28 17:58:18,543 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:58:18,543 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:58:18,544 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:58:18,545 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:58:18,545 INFO L163 areAnnotationChecker]: CFG has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:58:18,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:58:18 BoogieIcfgContainer [2020-07-28 17:58:18,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:58:18,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:58:18,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:58:18,571 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:58:18,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:58:16" (3/4) ... [2020-07-28 17:58:18,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:58:18,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-07-28 17:58:18,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-28 17:58:18,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 17:58:18,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == calloc(1, size)) && !(0 == \result) [2020-07-28 17:58:18,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,634 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == hp_slot_ptr) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == tmp_slot) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \result) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,636 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) [2020-07-28 17:58:18,675 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:58:18,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:58:18,682 INFO L168 Benchmark]: Toolchain (without parser) took 3543.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 961.6 MB in the beginning and 842.9 MB in the end (delta: 118.7 MB). Peak memory consumption was 269.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:18,683 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:58:18,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:18,686 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.08 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 17:58:18,687 INFO L168 Benchmark]: Boogie Preprocessor took 32.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:58:18,692 INFO L168 Benchmark]: RCFGBuilder took 613.66 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:18,693 INFO L168 Benchmark]: TraceAbstraction took 2334.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:18,693 INFO L168 Benchmark]: Witness Printer took 105.66 ms. Allocated memory is still 1.2 GB. Free memory was 849.4 MB in the beginning and 842.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:58:18,698 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 0.96 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.08 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. * Boogie Preprocessor took 32.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 613.66 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2334.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. * Witness Printer took 105.66 ms. Allocated memory is still 1.2 GB. Free memory was 849.4 MB in the beginning and 842.9 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: 6]: 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: 46]: Loop Invariant Derived loop invariant: ((!(0 == tmp_slot) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((!(0 == \result) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (!(0 == hp_slot_ptr) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: !(0 == calloc(1, size)) && !(0 == \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && used_tmp_slot == 1) && !(0 == tmp_slot)) && !(0 == hp_slot_ptr)) && !(0 == calloc(1, size))) && !(0 == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 212 SDslu, 39 SDs, 0 SdLazy, 59 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 180 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1592 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...