./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:40:07,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:40:07,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:40:08,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:40:08,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:40:08,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:40:08,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:40:08,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:40:08,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:40:08,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:40:08,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:40:08,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:40:08,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:40:08,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:40:08,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:40:08,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:40:08,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:40:08,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:40:08,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:40:08,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:40:08,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:40:08,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:40:08,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:40:08,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:40:08,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:40:08,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:40:08,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:40:08,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:40:08,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:40:08,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:40:08,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:40:08,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:40:08,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:40:08,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:40:08,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:40:08,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:40:08,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:40:08,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:40:08,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:40:08,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:40:08,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:40:08,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:40:08,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:40:08,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:40:08,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:40:08,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:40:08,172 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:40:08,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:40:08,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:40:08,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:40:08,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:40:08,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:40:08,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:40:08,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:40:08,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:40:08,176 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:40:08,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:40:08,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:40:08,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:40:08,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:40:08,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:40:08,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:40:08,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:40:08,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:40:08,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:40:08,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:40:08,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:40:08,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:40:08,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:40:08,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:40:08,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:40:08,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4d0bf6c3c7f70a960b0b2ed556bbb6c40d8116 [2020-12-01 15:40:08,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:40:08,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:40:08,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:40:08,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:40:08,560 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:40:08,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-01 15:40:08,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/data/3d7741e53/f69e3a9e64d24e68b5f51c73221622d1/FLAGe98f362d3 [2020-12-01 15:40:09,109 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:40:09,110 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.c_1.i [2020-12-01 15:40:09,117 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/data/3d7741e53/f69e3a9e64d24e68b5f51c73221622d1/FLAGe98f362d3 [2020-12-01 15:40:09,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/data/3d7741e53/f69e3a9e64d24e68b5f51c73221622d1 [2020-12-01 15:40:09,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:40:09,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:40:09,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:40:09,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:40:09,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:40:09,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1932226d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09, skipping insertion in model container [2020-12-01 15:40:09,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:40:09,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:40:09,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:40:09,746 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:40:09,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:40:09,791 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:40:09,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09 WrapperNode [2020-12-01 15:40:09,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:40:09,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:40:09,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:40:09,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:40:09,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:40:09,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:40:09,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:40:09,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:40:09,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... [2020-12-01 15:40:09,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:40:09,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:40:09,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:40:09,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:40:09,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/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 [2020-12-01 15:40:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:40:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:40:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:40:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:40:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:40:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:40:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:40:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:40:10,401 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:40:10,401 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-12-01 15:40:10,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:10 BoogieIcfgContainer [2020-12-01 15:40:10,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:40:10,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:40:10,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:40:10,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:40:10,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:40:09" (1/3) ... [2020-12-01 15:40:10,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322dd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:40:10, skipping insertion in model container [2020-12-01 15:40:10,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:09" (2/3) ... [2020-12-01 15:40:10,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322dd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:40:10, skipping insertion in model container [2020-12-01 15:40:10,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:10" (3/3) ... [2020-12-01 15:40:10,415 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-12-01 15:40:10,432 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:40:10,436 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:40:10,463 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:40:10,490 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:40:10,490 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:40:10,490 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:40:10,491 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:40:10,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:40:10,491 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:40:10,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:40:10,492 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:40:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-12-01 15:40:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 15:40:10,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:10,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:10,521 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:40:10,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:10,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1387683168, now seen corresponding path program 1 times [2020-12-01 15:40:10,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:10,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636310128] [2020-12-01 15:40:10,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:40:10,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636310128] [2020-12-01 15:40:10,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:10,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:40:10,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883092054] [2020-12-01 15:40:10,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:40:10,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:10,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:40:10,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:40:10,789 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-12-01 15:40:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:10,943 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2020-12-01 15:40:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:40:10,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-01 15:40:10,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:10,965 INFO L225 Difference]: With dead ends: 40 [2020-12-01 15:40:10,965 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:40:10,983 INFO L677 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 [2020-12-01 15:40:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:40:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:40:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:40:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-12-01 15:40:11,029 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 10 [2020-12-01 15:40:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:11,030 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-12-01 15:40:11,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:40:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-01 15:40:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:40:11,031 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:11,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:11,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:40:11,033 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:40:11,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:11,037 INFO L82 PathProgramCache]: Analyzing trace with hash -541613126, now seen corresponding path program 1 times [2020-12-01 15:40:11,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:11,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370360706] [2020-12-01 15:40:11,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:40:11,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370360706] [2020-12-01 15:40:11,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:11,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:40:11,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950285319] [2020-12-01 15:40:11,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:40:11,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:11,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:40:11,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:40:11,146 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 5 states. [2020-12-01 15:40:11,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:11,226 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2020-12-01 15:40:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:40:11,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-12-01 15:40:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:11,241 INFO L225 Difference]: With dead ends: 33 [2020-12-01 15:40:11,241 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:40:11,253 INFO L677 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 [2020-12-01 15:40:11,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:40:11,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:40:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:40:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2020-12-01 15:40:11,260 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2020-12-01 15:40:11,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:11,261 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-12-01 15:40:11,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:40:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2020-12-01 15:40:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 15:40:11,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:11,262 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] [2020-12-01 15:40:11,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:40:11,263 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:40:11,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:11,263 INFO L82 PathProgramCache]: Analyzing trace with hash 150876809, now seen corresponding path program 1 times [2020-12-01 15:40:11,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:11,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550141732] [2020-12-01 15:40:11,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:40:11,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550141732] [2020-12-01 15:40:11,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:11,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:40:11,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251988330] [2020-12-01 15:40:11,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:40:11,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:11,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:40:11,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:40:11,415 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2020-12-01 15:40:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:11,438 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2020-12-01 15:40:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:40:11,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-01 15:40:11,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:11,442 INFO L225 Difference]: With dead ends: 36 [2020-12-01 15:40:11,442 INFO L226 Difference]: Without dead ends: 23 [2020-12-01 15:40:11,444 INFO L677 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 [2020-12-01 15:40:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-01 15:40:11,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-12-01 15:40:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-12-01 15:40:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-12-01 15:40:11,455 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2020-12-01 15:40:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:11,455 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-12-01 15:40:11,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:40:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-12-01 15:40:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 15:40:11,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:40:11,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:11,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:40:11,463 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:40:11,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:11,465 INFO L82 PathProgramCache]: Analyzing trace with hash -2046307905, now seen corresponding path program 1 times [2020-12-01 15:40:11,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:11,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919213081] [2020-12-01 15:40:11,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:40:11,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919213081] [2020-12-01 15:40:11,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:40:11,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-01 15:40:11,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252137686] [2020-12-01 15:40:11,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:40:11,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:40:11,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:40:11,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:40:11,555 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 6 states. [2020-12-01 15:40:11,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:40:11,658 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2020-12-01 15:40:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:40:11,659 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-01 15:40:11,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:40:11,660 INFO L225 Difference]: With dead ends: 23 [2020-12-01 15:40:11,660 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:40:11,661 INFO L677 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 [2020-12-01 15:40:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:40:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:40:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:40:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:40:11,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-12-01 15:40:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:40:11,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:40:11,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:40:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:40:11,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:40:11,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:40:11,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:40:11,777 INFO L258 CegarLoopResult]: At program point L64(lines 62 65) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,777 INFO L258 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,778 INFO L258 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,778 INFO L258 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,778 INFO L258 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,778 INFO L262 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed. [2020-12-01 15:40:11,779 INFO L258 CegarLoopResult]: At program point L69(lines 67 70) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,779 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:40:11,779 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,779 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,779 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,780 INFO L262 CegarLoopResult]: For program point L-1-2(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,780 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,780 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,780 INFO L258 CegarLoopResult]: At program point L57(lines 56 58) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res.base| 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,781 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:40:11,781 INFO L262 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-12-01 15:40:11,781 INFO L258 CegarLoopResult]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,781 INFO L262 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-12-01 15:40:11,781 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:40:11,782 INFO L258 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= |ULTIMATE.start_kzalloc_#res.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc7.base| 0))) [2020-12-01 15:40:11,782 INFO L262 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-12-01 15:40:11,782 INFO L262 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-12-01 15:40:11,782 INFO L262 CegarLoopResult]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2020-12-01 15:40:11,782 INFO L262 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-12-01 15:40:11,783 INFO L262 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-12-01 15:40:11,783 INFO L262 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-12-01 15:40:11,783 INFO L262 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-01 15:40:11,783 INFO L262 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-12-01 15:40:11,783 INFO L262 CegarLoopResult]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2020-12-01 15:40:11,784 INFO L262 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-12-01 15:40:11,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:40:11 BoogieIcfgContainer [2020-12-01 15:40:11,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:40:11,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:40:11,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:40:11,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:40:11,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:10" (3/4) ... [2020-12-01 15:40:11,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:40:11,836 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-12-01 15:40:11,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 15:40:11,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:40:11,838 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:40:11,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\result == 0) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) [2020-12-01 15:40:11,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c001b1ab-60d8-4e12-96de-53c9d8e21299/bin/uautomizer/witness.graphml [2020-12-01 15:40:11,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:40:11,908 INFO L168 Benchmark]: Toolchain (without parser) took 2394.48 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 43.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,909 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 49.9 MB in the beginning and 49.9 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:40:11,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.94 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 67.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 66.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:40:11,911 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 64.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,911 INFO L168 Benchmark]: RCFGBuilder took 535.97 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 43.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,912 INFO L168 Benchmark]: TraceAbstraction took 1402.08 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 42.7 MB in the beginning and 47.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,912 INFO L168 Benchmark]: Witness Printer took 93.72 ms. Allocated memory is still 113.2 MB. Free memory was 47.8 MB in the beginning and 43.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:11,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory was 49.9 MB in the beginning and 49.9 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.94 ms. Allocated memory is still 92.3 MB. Free memory was 61.5 MB in the beginning and 67.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.57 ms. Allocated memory is still 92.3 MB. Free memory was 67.8 MB in the beginning and 66.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 64.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 535.97 ms. Allocated memory is still 92.3 MB. Free memory was 64.3 MB in the beginning and 43.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1402.08 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 42.7 MB in the beginning and 47.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 93.72 ms. Allocated memory is still 113.2 MB. Free memory was 47.8 MB in the beginning and 43.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 48]: Loop Invariant Derived loop invariant: (!(\result == 0) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: !(\result == 0) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(\result == 0)) && !(hp_slot_ptr == 0)) && !(calloc(1, size) == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(tmp_slot == 0)) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1) && !(calloc(1, size) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 79 SDtfs, 185 SDslu, 36 SDs, 0 SdLazy, 61 SolverSat, 14 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 160 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696 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...