./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb0d163b15d3c265ca05b2b9dcc84c96a983bffe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:25,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:25,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:25,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:25,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:25,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:25,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:25,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:25,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:25,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:25,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:25,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:25,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:25,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:25,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:25,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:25,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:25,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:25,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:25,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:25,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:25,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:25,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:25,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:25,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:25,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:25,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:25,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:25,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:25,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:25,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:25,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:25,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:25,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:25,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:25,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:25,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:25,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:25,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:25,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:25,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:25,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:25,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:25,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:25,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:25,870 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:25,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:25,870 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:25,871 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:25,871 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:25,877 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:25,877 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:25,878 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:25,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:25,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:25,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:25,879 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:25,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:25,880 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:25,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:25,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:25,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:25,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:25,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:25,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:25,882 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:25,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:25,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:25,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:25,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:25,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:25,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:25,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:25,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:25,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:25,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:25,886 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:25,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:25,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:25,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:25,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:25,887 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb0d163b15d3c265ca05b2b9dcc84c96a983bffe [2021-10-11 02:30:26,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:26,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:26,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:26,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:26,243 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:26,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-10-11 02:30:26,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/data/e09f64e7e/e3de286aae364cedb8cab8277101d50a/FLAG1279a4598 [2021-10-11 02:30:26,869 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:26,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-10-11 02:30:26,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/data/e09f64e7e/e3de286aae364cedb8cab8277101d50a/FLAG1279a4598 [2021-10-11 02:30:27,181 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/data/e09f64e7e/e3de286aae364cedb8cab8277101d50a [2021-10-11 02:30:27,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:27,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:27,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:27,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:27,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:27,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece4c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27, skipping insertion in model container [2021-10-11 02:30:27,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:27,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:27,514 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-10-11 02:30:27,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:27,531 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:27,637 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-10-11 02:30:27,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:27,665 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:27,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27 WrapperNode [2021-10-11 02:30:27,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:27,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:27,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:27,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:27,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:27,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:27,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:27,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:27,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... [2021-10-11 02:30:27,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:27,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:27,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:27,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:27,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:30:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:30:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:28,102 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,110 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,117 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,124 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,133 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,141 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,149 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:30:28,935 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-10-11 02:30:28,936 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-10-11 02:30:28,936 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2021-10-11 02:30:28,936 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2021-10-11 02:30:28,936 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2021-10-11 02:30:28,937 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2021-10-11 02:30:28,937 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-10-11 02:30:28,937 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-10-11 02:30:28,937 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-10-11 02:30:28,937 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-10-11 02:30:28,938 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-10-11 02:30:28,938 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-10-11 02:30:28,938 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-10-11 02:30:28,938 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-10-11 02:30:29,561 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:29,562 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-10-11 02:30:29,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:29 BoogieIcfgContainer [2021-10-11 02:30:29,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:29,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:29,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:29,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:29,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:27" (1/3) ... [2021-10-11 02:30:29,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7dde5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:29, skipping insertion in model container [2021-10-11 02:30:29,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:27" (2/3) ... [2021-10-11 02:30:29,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7dde5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:29, skipping insertion in model container [2021-10-11 02:30:29,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:29" (3/3) ... [2021-10-11 02:30:29,574 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-10-11 02:30:29,588 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:29,595 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2021-10-11 02:30:29,603 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-11 02:30:29,625 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:29,625 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:29,625 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:29,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:29,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:29,626 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:29,626 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:29,626 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2021-10-11 02:30:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:30:29,647 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:29,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:29,649 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:29,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:29,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2017704432, now seen corresponding path program 1 times [2021-10-11 02:30:29,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:29,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707527563] [2021-10-11 02:30:29,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:29,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707527563] [2021-10-11 02:30:29,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:29,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:29,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100905953] [2021-10-11 02:30:29,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:29,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:29,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:29,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:29,861 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 3 states. [2021-10-11 02:30:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,042 INFO L93 Difference]: Finished difference Result 182 states and 266 transitions. [2021-10-11 02:30:30,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:30,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2021-10-11 02:30:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,053 INFO L225 Difference]: With dead ends: 182 [2021-10-11 02:30:30,054 INFO L226 Difference]: Without dead ends: 91 [2021-10-11 02:30:30,057 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 [2021-10-11 02:30:30,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-11 02:30:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-11 02:30:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 02:30:30,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 114 transitions. [2021-10-11 02:30:30,096 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 114 transitions. Word has length 7 [2021-10-11 02:30:30,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,097 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 114 transitions. [2021-10-11 02:30:30,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2021-10-11 02:30:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:30:30,098 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:30:30,099 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1875665910, now seen corresponding path program 1 times [2021-10-11 02:30:30,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142818956] [2021-10-11 02:30:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:30,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142818956] [2021-10-11 02:30:30,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:30,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:30,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429634662] [2021-10-11 02:30:30,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:30,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:30,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:30,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:30,212 INFO L87 Difference]: Start difference. First operand 91 states and 114 transitions. Second operand 3 states. [2021-10-11 02:30:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,258 INFO L93 Difference]: Finished difference Result 156 states and 195 transitions. [2021-10-11 02:30:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:30,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2021-10-11 02:30:30,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,266 INFO L225 Difference]: With dead ends: 156 [2021-10-11 02:30:30,266 INFO L226 Difference]: Without dead ends: 110 [2021-10-11 02:30:30,268 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 [2021-10-11 02:30:30,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-11 02:30:30,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 80. [2021-10-11 02:30:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 02:30:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2021-10-11 02:30:30,286 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 8 [2021-10-11 02:30:30,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,287 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2021-10-11 02:30:30,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2021-10-11 02:30:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:30:30,296 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:30:30,296 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,297 INFO L82 PathProgramCache]: Analyzing trace with hash 600281882, now seen corresponding path program 1 times [2021-10-11 02:30:30,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998429192] [2021-10-11 02:30:30,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:30,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998429192] [2021-10-11 02:30:30,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:30,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:30,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242714191] [2021-10-11 02:30:30,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:30,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:30,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:30,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:30,350 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand 3 states. [2021-10-11 02:30:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,362 INFO L93 Difference]: Finished difference Result 93 states and 116 transitions. [2021-10-11 02:30:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:30,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-10-11 02:30:30,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,364 INFO L225 Difference]: With dead ends: 93 [2021-10-11 02:30:30,364 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:30:30,365 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 [2021-10-11 02:30:30,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:30:30,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-11 02:30:30,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 02:30:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2021-10-11 02:30:30,374 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 10 [2021-10-11 02:30:30,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,374 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2021-10-11 02:30:30,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2021-10-11 02:30:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:30:30,375 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:30:30,376 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1000628312, now seen corresponding path program 1 times [2021-10-11 02:30:30,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991971665] [2021-10-11 02:30:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:30,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991971665] [2021-10-11 02:30:30,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:30,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:30,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740242547] [2021-10-11 02:30:30,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:30,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:30,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:30,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:30,440 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand 3 states. [2021-10-11 02:30:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,543 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2021-10-11 02:30:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:30,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2021-10-11 02:30:30,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,549 INFO L225 Difference]: With dead ends: 80 [2021-10-11 02:30:30,550 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:30:30,551 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 [2021-10-11 02:30:30,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:30:30,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-10-11 02:30:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 02:30:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2021-10-11 02:30:30,571 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 14 [2021-10-11 02:30:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,572 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2021-10-11 02:30:30,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2021-10-11 02:30:30,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 02:30:30,574 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:30:30,575 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1821367636, now seen corresponding path program 1 times [2021-10-11 02:30:30,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791069508] [2021-10-11 02:30:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:30,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791069508] [2021-10-11 02:30:30,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:30,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:30,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244390933] [2021-10-11 02:30:30,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:30,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:30,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:30,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:30,684 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand 3 states. [2021-10-11 02:30:30,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,740 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2021-10-11 02:30:30,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:30,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2021-10-11 02:30:30,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,743 INFO L225 Difference]: With dead ends: 104 [2021-10-11 02:30:30,743 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:30:30,743 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 [2021-10-11 02:30:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:30:30,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:30:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:30:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2021-10-11 02:30:30,752 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 15 [2021-10-11 02:30:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,753 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2021-10-11 02:30:30,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-10-11 02:30:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:30,754 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:30:30,755 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,756 INFO L82 PathProgramCache]: Analyzing trace with hash 363706092, now seen corresponding path program 1 times [2021-10-11 02:30:30,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955314840] [2021-10-11 02:30:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:30,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955314840] [2021-10-11 02:30:30,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:30,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:30,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472798737] [2021-10-11 02:30:30,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:30,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:30,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:30,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:30,850 INFO L87 Difference]: Start difference. First operand 71 states and 89 transitions. Second operand 5 states. [2021-10-11 02:30:30,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,909 INFO L93 Difference]: Finished difference Result 115 states and 143 transitions. [2021-10-11 02:30:30,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:30:30,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2021-10-11 02:30:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,911 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:30:30,911 INFO L226 Difference]: Without dead ends: 83 [2021-10-11 02:30:30,912 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 [2021-10-11 02:30:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-11 02:30:30,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 69. [2021-10-11 02:30:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:30:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2021-10-11 02:30:30,932 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 16 [2021-10-11 02:30:30,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,932 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2021-10-11 02:30:30,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-10-11 02:30:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:30,937 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:30,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:30,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:30:30,937 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:30,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:30,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1910164597, now seen corresponding path program 1 times [2021-10-11 02:30:30,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:30,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008864490] [2021-10-11 02:30:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008864490] [2021-10-11 02:30:31,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:31,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438279690] [2021-10-11 02:30:31,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:31,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:31,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:31,034 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand 4 states. [2021-10-11 02:30:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,123 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2021-10-11 02:30:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:31,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2021-10-11 02:30:31,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,125 INFO L225 Difference]: With dead ends: 110 [2021-10-11 02:30:31,125 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:30:31,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:30:31,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 69. [2021-10-11 02:30:31,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:30:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2021-10-11 02:30:31,158 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 17 [2021-10-11 02:30:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,158 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2021-10-11 02:30:31,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2021-10-11 02:30:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:31,160 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:31,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 02:30:31,161 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,162 INFO L82 PathProgramCache]: Analyzing trace with hash -644544084, now seen corresponding path program 1 times [2021-10-11 02:30:31,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959898556] [2021-10-11 02:30:31,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959898556] [2021-10-11 02:30:31,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:31,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871166701] [2021-10-11 02:30:31,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:31,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:31,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:31,246 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand 5 states. [2021-10-11 02:30:31,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,400 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2021-10-11 02:30:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:31,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2021-10-11 02:30:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,401 INFO L225 Difference]: With dead ends: 90 [2021-10-11 02:30:31,402 INFO L226 Difference]: Without dead ends: 88 [2021-10-11 02:30:31,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:31,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-11 02:30:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2021-10-11 02:30:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2021-10-11 02:30:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 85 transitions. [2021-10-11 02:30:31,413 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 85 transitions. Word has length 18 [2021-10-11 02:30:31,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,414 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 85 transitions. [2021-10-11 02:30:31,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2021-10-11 02:30:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:31,417 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:31,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 02:30:31,418 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1439496375, now seen corresponding path program 1 times [2021-10-11 02:30:31,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390139301] [2021-10-11 02:30:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390139301] [2021-10-11 02:30:31,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:31,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241951421] [2021-10-11 02:30:31,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:31,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:31,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:31,483 INFO L87 Difference]: Start difference. First operand 69 states and 85 transitions. Second operand 3 states. [2021-10-11 02:30:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,547 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2021-10-11 02:30:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:31,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:31,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,549 INFO L225 Difference]: With dead ends: 82 [2021-10-11 02:30:31,549 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 02:30:31,549 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 [2021-10-11 02:30:31,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 02:30:31,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 71. [2021-10-11 02:30:31,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:30:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2021-10-11 02:30:31,565 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 19 [2021-10-11 02:30:31,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,565 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2021-10-11 02:30:31,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-10-11 02:30:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:30:31,566 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,566 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] [2021-10-11 02:30:31,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 02:30:31,566 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1667055690, now seen corresponding path program 1 times [2021-10-11 02:30:31,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217373428] [2021-10-11 02:30:31,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217373428] [2021-10-11 02:30:31,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:31,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412992191] [2021-10-11 02:30:31,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:31,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:31,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:31,612 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 3 states. [2021-10-11 02:30:31,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,626 INFO L93 Difference]: Finished difference Result 110 states and 133 transitions. [2021-10-11 02:30:31,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:31,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:30:31,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,628 INFO L225 Difference]: With dead ends: 110 [2021-10-11 02:30:31,628 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 02:30:31,628 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 [2021-10-11 02:30:31,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 02:30:31,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2021-10-11 02:30:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:30:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2021-10-11 02:30:31,635 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 82 transitions. Word has length 20 [2021-10-11 02:30:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,635 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-10-11 02:30:31,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2021-10-11 02:30:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-11 02:30:31,636 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,636 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] [2021-10-11 02:30:31,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 02:30:31,637 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1348406775, now seen corresponding path program 1 times [2021-10-11 02:30:31,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677863020] [2021-10-11 02:30:31,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677863020] [2021-10-11 02:30:31,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:31,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481559881] [2021-10-11 02:30:31,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:31,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:31,695 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. Second operand 4 states. [2021-10-11 02:30:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,780 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions. [2021-10-11 02:30:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:31,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-10-11 02:30:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,782 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:30:31,782 INFO L226 Difference]: Without dead ends: 78 [2021-10-11 02:30:31,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:31,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-11 02:30:31,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2021-10-11 02:30:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:30:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 79 transitions. [2021-10-11 02:30:31,790 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 79 transitions. Word has length 21 [2021-10-11 02:30:31,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,790 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 79 transitions. [2021-10-11 02:30:31,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 79 transitions. [2021-10-11 02:30:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:31,791 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,791 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] [2021-10-11 02:30:31,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 02:30:31,792 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1191619779, now seen corresponding path program 1 times [2021-10-11 02:30:31,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598812336] [2021-10-11 02:30:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:31,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598812336] [2021-10-11 02:30:31,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:31,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:31,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448207153] [2021-10-11 02:30:31,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:31,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:31,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:31,861 INFO L87 Difference]: Start difference. First operand 67 states and 79 transitions. Second operand 5 states. [2021-10-11 02:30:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:31,988 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2021-10-11 02:30:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:31,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:30:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:31,989 INFO L225 Difference]: With dead ends: 103 [2021-10-11 02:30:31,989 INFO L226 Difference]: Without dead ends: 79 [2021-10-11 02:30:31,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-11 02:30:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2021-10-11 02:30:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 02:30:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2021-10-11 02:30:31,997 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 22 [2021-10-11 02:30:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:31,997 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2021-10-11 02:30:31,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2021-10-11 02:30:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:31,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:31,998 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] [2021-10-11 02:30:31,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 02:30:31,998 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:31,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:31,999 INFO L82 PathProgramCache]: Analyzing trace with hash 675711702, now seen corresponding path program 1 times [2021-10-11 02:30:31,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:30:31,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302461074] [2021-10-11 02:30:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:30:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:30:32,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302461074] [2021-10-11 02:30:32,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:32,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:32,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721474198] [2021-10-11 02:30:32,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:32,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:30:32,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:32,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:32,039 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand 5 states. [2021-10-11 02:30:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:32,076 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2021-10-11 02:30:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:32,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:30:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:32,077 INFO L225 Difference]: With dead ends: 67 [2021-10-11 02:30:32,077 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:32,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:32,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:32,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-11 02:30:32,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:32,079 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:32,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:32,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:32,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 02:30:32,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:32,967 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,967 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,968 INFO L258 CegarLoopResult]: At program point L102(lines 102 284) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,968 INFO L258 CegarLoopResult]: At program point L70(lines 323 368) the Hoare annotation is: (and (= ~NP~0 1) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (not (= ~s~0 1)) (not (= ~MPR3~0 ~s~0)) (not (= ~pended~0 1)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,968 INFO L262 CegarLoopResult]: For program point L171(lines 171 183) no Hoare annotation was computed. [2021-10-11 02:30:32,968 INFO L258 CegarLoopResult]: At program point L105(lines 105 283) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,969 INFO L262 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-11 02:30:32,969 INFO L258 CegarLoopResult]: At program point L536(lines 528 547) the Hoare annotation is: false [2021-10-11 02:30:32,969 INFO L258 CegarLoopResult]: At program point L471(lines 444 499) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,969 INFO L258 CegarLoopResult]: At program point L471-1(lines 444 499) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,970 INFO L258 CegarLoopResult]: At program point L471-2(lines 444 499) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,970 INFO L258 CegarLoopResult]: At program point L471-3(lines 444 499) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,970 INFO L258 CegarLoopResult]: At program point L108(lines 108 282) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,970 INFO L262 CegarLoopResult]: For program point L505(lines 505 511) no Hoare annotation was computed. [2021-10-11 02:30:32,970 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,970 INFO L262 CegarLoopResult]: For program point L340-1(lines 339 349) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L262 CegarLoopResult]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L258 CegarLoopResult]: At program point L176-1(lines 1 584) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L262 CegarLoopResult]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-10-11 02:30:32,971 INFO L258 CegarLoopResult]: At program point L541-1(lines 541 545) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,972 INFO L258 CegarLoopResult]: At program point L376(lines 369 418) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,972 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,972 INFO L262 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-11 02:30:32,972 INFO L258 CegarLoopResult]: At program point L445(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,973 INFO L258 CegarLoopResult]: At program point L445-1(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,973 INFO L258 CegarLoopResult]: At program point L445-2(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,973 INFO L258 CegarLoopResult]: At program point L445-3(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,973 INFO L258 CegarLoopResult]: At program point L445-4(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,973 INFO L258 CegarLoopResult]: At program point L445-5(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,974 INFO L258 CegarLoopResult]: At program point L445-6(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,974 INFO L258 CegarLoopResult]: At program point L445-7(lines 445 448) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L479(lines 479 496) no Hoare annotation was computed. [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L479-1(lines 479 496) no Hoare annotation was computed. [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L479-2(lines 479 496) no Hoare annotation was computed. [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L479-3(lines 479 496) no Hoare annotation was computed. [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-11 02:30:32,974 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-2(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-3(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-4(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-5(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-6(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-7(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:32,975 INFO L262 CegarLoopResult]: For program point L581-8(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-9(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-10(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-11(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-12(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-13(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-14(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,976 INFO L262 CegarLoopResult]: For program point L581-15(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L582-3(lines 1 584) the Hoare annotation is: (let ((.cse0 (= 259 ULTIMATE.start_IofCallDriver_~returnVal2~0))) (and (= ~NP~0 1) (= ~pended~0 0) (= ~setEventCalled~0 1) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (or .cse0 (= ~s~0 ~NP~0)) (or (= ~MPR3~0 ~s~0) (not .cse0)) (not (= ~compRegistered~0 0)) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0))) [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L582-6(lines 1 584) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L384(lines 377 417) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L582-8(lines 1 584) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L582-9(lines 1 584) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,977 INFO L258 CegarLoopResult]: At program point L582-11(lines 1 584) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,978 INFO L258 CegarLoopResult]: At program point L582-12(lines 1 584) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ~SKIP1~0 ~s~0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,978 INFO L258 CegarLoopResult]: At program point L582-14(lines 1 584) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ~compRegistered~0 0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,978 INFO L265 CegarLoopResult]: At program point L385(lines 369 418) the Hoare annotation is: true [2021-10-11 02:30:32,978 INFO L258 CegarLoopResult]: At program point L352(lines 352 367) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,978 INFO L262 CegarLoopResult]: For program point L386(lines 386 415) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L265 CegarLoopResult]: At program point L420(lines 288 422) the Hoare annotation is: true [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point L387(lines 387 414) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2021-10-11 02:30:32,979 INFO L262 CegarLoopResult]: For program point L488-2(lines 488 495) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L389(lines 389 391) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L488-4(lines 488 495) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L258 CegarLoopResult]: At program point L323(lines 297 421) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L488-6(lines 488 495) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L192(lines 192 198) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L192-2(lines 166 261) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,980 INFO L262 CegarLoopResult]: For program point L427(lines 427 433) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L262 CegarLoopResult]: For program point L427-2(lines 427 433) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L262 CegarLoopResult]: For program point L427-4(lines 427 433) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L258 CegarLoopResult]: At program point L262(lines 166 263) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,981 INFO L262 CegarLoopResult]: For program point L427-6(lines 427 433) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L262 CegarLoopResult]: For program point L528(lines 528 547) no Hoare annotation was computed. [2021-10-11 02:30:32,981 INFO L258 CegarLoopResult]: At program point L396(lines 387 414) the Hoare annotation is: (and (= ~pended~0 0) (= ~NP~0 1) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,982 INFO L258 CegarLoopResult]: At program point L165(lines 111 281) the Hoare annotation is: (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ULTIMATE.start_main_~status~1 0) (= ULTIMATE.start_main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0)) [2021-10-11 02:30:32,982 INFO L262 CegarLoopResult]: For program point L529(lines 529 534) no Hoare annotation was computed. [2021-10-11 02:30:32,982 INFO L262 CegarLoopResult]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-11 02:30:32,982 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-10-11 02:30:32,982 INFO L262 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-11 02:30:33,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:33 BoogieIcfgContainer [2021-10-11 02:30:33,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:33,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:33,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:33,011 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:33,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:29" (3/4) ... [2021-10-11 02:30:33,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:33,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges [2021-10-11 02:30:33,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-11 02:30:33,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:33,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:33,177 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ed93237-606b-4388-ab9a-e92c8f3390dd/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:33,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:33,179 INFO L168 Benchmark]: Toolchain (without parser) took 5993.52 ms. Allocated memory was 81.8 MB in the beginning and 172.0 MB in the end (delta: 90.2 MB). Free memory was 42.9 MB in the beginning and 61.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 72.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,180 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 59.7 MB in the beginning and 59.7 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:33,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.37 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 67.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.62 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 64.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,182 INFO L168 Benchmark]: Boogie Preprocessor took 66.04 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 61.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,182 INFO L168 Benchmark]: RCFGBuilder took 1733.60 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 51.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,182 INFO L168 Benchmark]: TraceAbstraction took 3444.10 ms. Allocated memory was 100.7 MB in the beginning and 172.0 MB in the end (delta: 71.3 MB). Free memory was 51.2 MB in the beginning and 75.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,183 INFO L168 Benchmark]: Witness Printer took 166.86 ms. Allocated memory is still 172.0 MB. Free memory was 75.1 MB in the beginning and 61.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:33,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 81.8 MB. Free memory was 59.7 MB in the beginning and 59.7 MB in the end (delta: 40.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 480.37 ms. Allocated memory was 81.8 MB in the beginning and 100.7 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 67.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.62 ms. Allocated memory is still 100.7 MB. Free memory was 67.7 MB in the beginning and 64.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.04 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 61.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1733.60 ms. Allocated memory is still 100.7 MB. Free memory was 61.4 MB in the beginning and 51.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3444.10 ms. Allocated memory was 100.7 MB in the beginning and 172.0 MB in the end (delta: 71.3 MB). Free memory was 51.2 MB in the beginning and 75.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. * Witness Printer took 166.86 ms. Allocated memory is still 172.0 MB. Free memory was 75.1 MB in the beginning and 61.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((NP == 1 && pended == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((NP == 1 && pended == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((pended == 0 && NP == 1) && compRegistered == 0) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((((NP == 1 && pended == 0) && MPR1 == s) && setEventCalled == 1) && status == 0) && __cil_tmp8 == 1) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((pended == 0 && NP == 1) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((pended == 0 && NP == 1) && compRegistered == 0) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((((pended == 0 && NP == 1) && s == NP) && status == 0) && __cil_tmp8 == 1) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((pended == 0 && NP == 1) && compRegistered == 0) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((NP == 1 && pended == 0) && setEventCalled == 1) && status == 0) && __cil_tmp8 == 1) && (259 == returnVal2 || s == NP)) && (MPR3 == s || !(259 == returnVal2))) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((NP == 1 && compRegistered == 0) && status == 0) && !(s == 1)) && !(MPR3 == s)) && !(pended == 1)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((pended == 0 && NP == 1) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((pended == 0 && NP == 1) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((((((NP == 1 && pended == 0) && MPR1 == s) && setEventCalled == 1) && status == 0) && __cil_tmp8 == 1) && !(compRegistered == 0)) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((NP == 1 && pended == 0) && compRegistered == 0) && status == 0) && SKIP1 == s) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 99 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1038 SDtfs, 814 SDslu, 546 SDs, 0 SdLazy, 560 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred 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, 13 MinimizatonAttempts, 130 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 35 PreInvPairs, 65 NumberOfFragments, 782 HoareAnnotationTreeSize, 35 FomulaSimplifications, 4653 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 35 FomulaSimplificationsInter, 202 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 8421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...