./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54165abed718b8d39f88748583b76365fb540324 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:25:10,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:25:10,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:25:10,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:25:10,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:25:10,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:25:10,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:25:10,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:25:10,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:25:10,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:25:10,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:25:10,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:25:10,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:25:10,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:25:10,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:25:10,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:25:10,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:25:10,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:25:10,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:25:10,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:25:10,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:25:10,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:25:10,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:25:10,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:25:10,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:25:10,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:25:10,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:25:10,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:25:10,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:25:10,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:25:10,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:25:10,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:25:10,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:25:10,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:25:10,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:25:10,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:25:10,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:25:10,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:25:10,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:25:10,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:25:10,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:25:10,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2020-11-30 02:25:10,930 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:25:10,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:25:10,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:25:10,932 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:25:10,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:25:10,933 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:25:10,933 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:25:10,933 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:25:10,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:25:10,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:25:10,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:25:10,934 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:25:10,935 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:25:10,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:25:10,935 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:25:10,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 02:25:10,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 02:25:10,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:25:10,937 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:25:10,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 02:25:10,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:25:10,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:25:10,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:25:10,939 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 02:25:10,939 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 02:25:10,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:25:10,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:25:10,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:25:10,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:25:10,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:25:10,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:25:10,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:25:10,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:25:10,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:25:10,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:25:10,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:25:10,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:25:10,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:25:10,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:25:10,943 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-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54165abed718b8d39f88748583b76365fb540324 [2020-11-30 02:25:11,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:25:11,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:25:11,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:25:11,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:25:11,340 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:25:11,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2020-11-30 02:25:11,439 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/data/d817345e6/d04d76b82d334beda5cd6e3212f24838/FLAG95c69e3e7 [2020-11-30 02:25:11,997 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:25:11,997 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2020-11-30 02:25:12,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/data/d817345e6/d04d76b82d334beda5cd6e3212f24838/FLAG95c69e3e7 [2020-11-30 02:25:12,282 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/data/d817345e6/d04d76b82d334beda5cd6e3212f24838 [2020-11-30 02:25:12,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:25:12,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:25:12,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:25:12,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:25:12,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:25:12,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:25:12" (1/1) ... [2020-11-30 02:25:12,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45598e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:12, skipping insertion in model container [2020-11-30 02:25:12,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:25:12" (1/1) ... [2020-11-30 02:25:12,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:25:12,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:25:12,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:25:12,798 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:25:12,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:25:13,003 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:25:13,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13 WrapperNode [2020-11-30 02:25:13,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:25:13,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:25:13,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:25:13,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:25:13,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:25:13,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:25:13,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:25:13,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:25:13,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... [2020-11-30 02:25:13,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:25:13,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:25:13,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:25:13,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:25:13,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:25:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:25:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 02:25:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 02:25:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 02:25:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:25:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 02:25:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:25:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:25:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:25:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:25:15,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:25:15,146 INFO L298 CfgBuilder]: Removed 101 assume(true) statements. [2020-11-30 02:25:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:25:15 BoogieIcfgContainer [2020-11-30 02:25:15,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:25:15,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:25:15,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:25:15,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:25:15,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:25:12" (1/3) ... [2020-11-30 02:25:15,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e50f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:25:15, skipping insertion in model container [2020-11-30 02:25:15,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:25:13" (2/3) ... [2020-11-30 02:25:15,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e50f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:25:15, skipping insertion in model container [2020-11-30 02:25:15,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:25:15" (3/3) ... [2020-11-30 02:25:15,172 INFO L111 eAbstractionObserver]: Analyzing ICFG merge_sort-1.i [2020-11-30 02:25:15,187 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:25:15,194 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 131 error locations. [2020-11-30 02:25:15,210 INFO L253 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2020-11-30 02:25:15,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:25:15,254 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 02:25:15,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:25:15,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:25:15,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:25:15,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:25:15,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:25:15,256 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:25:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-11-30 02:25:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 02:25:15,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:15,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 02:25:15,319 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:15,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:15,329 INFO L82 PathProgramCache]: Analyzing trace with hash 22492566, now seen corresponding path program 1 times [2020-11-30 02:25:15,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:15,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975378409] [2020-11-30 02:25:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:15,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975378409] [2020-11-30 02:25:15,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:15,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:25:15,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105127710] [2020-11-30 02:25:15,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:15,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:15,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:15,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:15,650 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 3 states. [2020-11-30 02:25:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:16,330 INFO L93 Difference]: Finished difference Result 499 states and 522 transitions. [2020-11-30 02:25:16,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:16,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-30 02:25:16,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:16,360 INFO L225 Difference]: With dead ends: 499 [2020-11-30 02:25:16,362 INFO L226 Difference]: Without dead ends: 497 [2020-11-30 02:25:16,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:16,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-11-30 02:25:16,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 265. [2020-11-30 02:25:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-11-30 02:25:16,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 277 transitions. [2020-11-30 02:25:16,470 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 277 transitions. Word has length 4 [2020-11-30 02:25:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:16,471 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 277 transitions. [2020-11-30 02:25:16,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 277 transitions. [2020-11-30 02:25:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 02:25:16,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:16,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-30 02:25:16,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:25:16,474 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:16,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:16,478 INFO L82 PathProgramCache]: Analyzing trace with hash 22492567, now seen corresponding path program 1 times [2020-11-30 02:25:16,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:16,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764367483] [2020-11-30 02:25:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:16,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764367483] [2020-11-30 02:25:16,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:16,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:25:16,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386892813] [2020-11-30 02:25:16,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:16,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:16,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:16,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:16,589 INFO L87 Difference]: Start difference. First operand 265 states and 277 transitions. Second operand 3 states. [2020-11-30 02:25:17,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:17,007 INFO L93 Difference]: Finished difference Result 423 states and 442 transitions. [2020-11-30 02:25:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:17,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-30 02:25:17,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:17,012 INFO L225 Difference]: With dead ends: 423 [2020-11-30 02:25:17,013 INFO L226 Difference]: Without dead ends: 423 [2020-11-30 02:25:17,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:17,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-11-30 02:25:17,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 263. [2020-11-30 02:25:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-11-30 02:25:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 275 transitions. [2020-11-30 02:25:17,033 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 275 transitions. Word has length 4 [2020-11-30 02:25:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:17,034 INFO L481 AbstractCegarLoop]: Abstraction has 263 states and 275 transitions. [2020-11-30 02:25:17,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 275 transitions. [2020-11-30 02:25:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 02:25:17,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:17,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-30 02:25:17,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:25:17,037 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:17,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:17,038 INFO L82 PathProgramCache]: Analyzing trace with hash 696555081, now seen corresponding path program 1 times [2020-11-30 02:25:17,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:17,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303606165] [2020-11-30 02:25:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:17,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303606165] [2020-11-30 02:25:17,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:17,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 02:25:17,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942619105] [2020-11-30 02:25:17,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:17,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:17,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:17,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:17,081 INFO L87 Difference]: Start difference. First operand 263 states and 275 transitions. Second operand 3 states. [2020-11-30 02:25:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:17,425 INFO L93 Difference]: Finished difference Result 412 states and 430 transitions. [2020-11-30 02:25:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:17,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-30 02:25:17,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:17,430 INFO L225 Difference]: With dead ends: 412 [2020-11-30 02:25:17,430 INFO L226 Difference]: Without dead ends: 411 [2020-11-30 02:25:17,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:17,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-11-30 02:25:17,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 266. [2020-11-30 02:25:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-30 02:25:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 279 transitions. [2020-11-30 02:25:17,469 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 279 transitions. Word has length 5 [2020-11-30 02:25:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:17,470 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 279 transitions. [2020-11-30 02:25:17,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 279 transitions. [2020-11-30 02:25:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 02:25:17,471 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:17,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 02:25:17,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 02:25:17,472 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:17,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:17,473 INFO L82 PathProgramCache]: Analyzing trace with hash 141206037, now seen corresponding path program 1 times [2020-11-30 02:25:17,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:17,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629107238] [2020-11-30 02:25:17,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:17,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629107238] [2020-11-30 02:25:17,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:17,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:25:17,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590855427] [2020-11-30 02:25:17,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:17,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:17,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:17,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:17,528 INFO L87 Difference]: Start difference. First operand 266 states and 279 transitions. Second operand 3 states. [2020-11-30 02:25:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:17,984 INFO L93 Difference]: Finished difference Result 495 states and 517 transitions. [2020-11-30 02:25:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:17,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 02:25:17,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:17,989 INFO L225 Difference]: With dead ends: 495 [2020-11-30 02:25:17,989 INFO L226 Difference]: Without dead ends: 495 [2020-11-30 02:25:17,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-11-30 02:25:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 264. [2020-11-30 02:25:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-11-30 02:25:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 277 transitions. [2020-11-30 02:25:18,000 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 277 transitions. Word has length 6 [2020-11-30 02:25:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:18,000 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 277 transitions. [2020-11-30 02:25:18,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 277 transitions. [2020-11-30 02:25:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 02:25:18,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:18,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 02:25:18,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 02:25:18,002 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:18,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:18,003 INFO L82 PathProgramCache]: Analyzing trace with hash 141206038, now seen corresponding path program 1 times [2020-11-30 02:25:18,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:18,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866312305] [2020-11-30 02:25:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:18,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866312305] [2020-11-30 02:25:18,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:18,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:25:18,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145595789] [2020-11-30 02:25:18,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:18,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:18,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:18,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:18,103 INFO L87 Difference]: Start difference. First operand 264 states and 277 transitions. Second operand 3 states. [2020-11-30 02:25:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:18,468 INFO L93 Difference]: Finished difference Result 421 states and 439 transitions. [2020-11-30 02:25:18,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:18,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 02:25:18,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:18,471 INFO L225 Difference]: With dead ends: 421 [2020-11-30 02:25:18,471 INFO L226 Difference]: Without dead ends: 421 [2020-11-30 02:25:18,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:18,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-30 02:25:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 262. [2020-11-30 02:25:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-30 02:25:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 275 transitions. [2020-11-30 02:25:18,481 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 275 transitions. Word has length 6 [2020-11-30 02:25:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:18,481 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 275 transitions. [2020-11-30 02:25:18,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2020-11-30 02:25:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 02:25:18,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:18,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:18,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 02:25:18,483 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:18,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:18,483 INFO L82 PathProgramCache]: Analyzing trace with hash -626016590, now seen corresponding path program 1 times [2020-11-30 02:25:18,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:18,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608617376] [2020-11-30 02:25:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:18,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608617376] [2020-11-30 02:25:18,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:18,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:25:18,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84371174] [2020-11-30 02:25:18,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 02:25:18,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:18,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 02:25:18,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:18,534 INFO L87 Difference]: Start difference. First operand 262 states and 275 transitions. Second operand 3 states. [2020-11-30 02:25:18,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:18,574 INFO L93 Difference]: Finished difference Result 268 states and 279 transitions. [2020-11-30 02:25:18,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 02:25:18,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 02:25:18,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:18,577 INFO L225 Difference]: With dead ends: 268 [2020-11-30 02:25:18,577 INFO L226 Difference]: Without dead ends: 267 [2020-11-30 02:25:18,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 02:25:18,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-11-30 02:25:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 261. [2020-11-30 02:25:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-30 02:25:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 273 transitions. [2020-11-30 02:25:18,587 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 273 transitions. Word has length 7 [2020-11-30 02:25:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:18,587 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 273 transitions. [2020-11-30 02:25:18,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 02:25:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 273 transitions. [2020-11-30 02:25:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 02:25:18,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:18,588 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:18,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 02:25:18,588 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1693015959, now seen corresponding path program 1 times [2020-11-30 02:25:18,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:18,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737165947] [2020-11-30 02:25:18,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:18,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737165947] [2020-11-30 02:25:18,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:18,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:25:18,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663429283] [2020-11-30 02:25:18,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 02:25:18,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:18,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 02:25:18,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 02:25:18,690 INFO L87 Difference]: Start difference. First operand 261 states and 273 transitions. Second operand 4 states. [2020-11-30 02:25:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:18,788 INFO L93 Difference]: Finished difference Result 439 states and 460 transitions. [2020-11-30 02:25:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 02:25:18,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-30 02:25:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:18,792 INFO L225 Difference]: With dead ends: 439 [2020-11-30 02:25:18,792 INFO L226 Difference]: Without dead ends: 439 [2020-11-30 02:25:18,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:18,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-11-30 02:25:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 261. [2020-11-30 02:25:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-11-30 02:25:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 272 transitions. [2020-11-30 02:25:18,804 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 272 transitions. Word has length 11 [2020-11-30 02:25:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:18,805 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 272 transitions. [2020-11-30 02:25:18,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 02:25:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 272 transitions. [2020-11-30 02:25:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 02:25:18,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:18,806 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:18,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 02:25:18,807 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:18,808 INFO L82 PathProgramCache]: Analyzing trace with hash -804819840, now seen corresponding path program 1 times [2020-11-30 02:25:18,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:18,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816102217] [2020-11-30 02:25:18,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:18,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816102217] [2020-11-30 02:25:18,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:18,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:25:18,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403058021] [2020-11-30 02:25:18,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:25:18,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:18,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:25:18,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:18,987 INFO L87 Difference]: Start difference. First operand 261 states and 272 transitions. Second operand 5 states. [2020-11-30 02:25:19,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:19,791 INFO L93 Difference]: Finished difference Result 646 states and 674 transitions. [2020-11-30 02:25:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:25:19,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-30 02:25:19,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:19,798 INFO L225 Difference]: With dead ends: 646 [2020-11-30 02:25:19,798 INFO L226 Difference]: Without dead ends: 646 [2020-11-30 02:25:19,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:25:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-11-30 02:25:19,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 306. [2020-11-30 02:25:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-11-30 02:25:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 355 transitions. [2020-11-30 02:25:19,816 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 355 transitions. Word has length 13 [2020-11-30 02:25:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:19,817 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 355 transitions. [2020-11-30 02:25:19,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:25:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 355 transitions. [2020-11-30 02:25:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 02:25:19,818 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:19,818 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:19,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 02:25:19,819 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:19,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:19,820 INFO L82 PathProgramCache]: Analyzing trace with hash -804819841, now seen corresponding path program 1 times [2020-11-30 02:25:19,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:19,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622261391] [2020-11-30 02:25:19,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:19,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622261391] [2020-11-30 02:25:19,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:19,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 02:25:19,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79370578] [2020-11-30 02:25:19,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:25:19,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:25:19,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:19,899 INFO L87 Difference]: Start difference. First operand 306 states and 355 transitions. Second operand 5 states. [2020-11-30 02:25:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:20,879 INFO L93 Difference]: Finished difference Result 547 states and 602 transitions. [2020-11-30 02:25:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:25:20,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-30 02:25:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:20,885 INFO L225 Difference]: With dead ends: 547 [2020-11-30 02:25:20,885 INFO L226 Difference]: Without dead ends: 547 [2020-11-30 02:25:20,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:25:20,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-11-30 02:25:20,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 297. [2020-11-30 02:25:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-11-30 02:25:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 336 transitions. [2020-11-30 02:25:20,901 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 336 transitions. Word has length 13 [2020-11-30 02:25:20,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:20,902 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 336 transitions. [2020-11-30 02:25:20,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:25:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 336 transitions. [2020-11-30 02:25:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 02:25:20,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:20,904 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:20,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 02:25:20,905 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:20,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:20,905 INFO L82 PathProgramCache]: Analyzing trace with hash -804171525, now seen corresponding path program 1 times [2020-11-30 02:25:20,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:20,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906718687] [2020-11-30 02:25:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:20,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906718687] [2020-11-30 02:25:20,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:20,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:25:20,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891839310] [2020-11-30 02:25:20,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:25:20,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:20,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:25:20,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:20,976 INFO L87 Difference]: Start difference. First operand 297 states and 336 transitions. Second operand 5 states. [2020-11-30 02:25:21,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:21,166 INFO L93 Difference]: Finished difference Result 813 states and 852 transitions. [2020-11-30 02:25:21,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 02:25:21,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-11-30 02:25:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:21,174 INFO L225 Difference]: With dead ends: 813 [2020-11-30 02:25:21,174 INFO L226 Difference]: Without dead ends: 813 [2020-11-30 02:25:21,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:25:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-11-30 02:25:21,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 294. [2020-11-30 02:25:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-11-30 02:25:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 331 transitions. [2020-11-30 02:25:21,188 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 331 transitions. Word has length 13 [2020-11-30 02:25:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:21,190 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 331 transitions. [2020-11-30 02:25:21,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:25:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 331 transitions. [2020-11-30 02:25:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 02:25:21,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:21,193 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:21,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 02:25:21,194 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:21,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1239136262, now seen corresponding path program 1 times [2020-11-30 02:25:21,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:21,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128880355] [2020-11-30 02:25:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 02:25:21,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128880355] [2020-11-30 02:25:21,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:21,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:25:21,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479723180] [2020-11-30 02:25:21,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:25:21,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:21,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:25:21,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:21,312 INFO L87 Difference]: Start difference. First operand 294 states and 331 transitions. Second operand 5 states. [2020-11-30 02:25:21,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:21,623 INFO L93 Difference]: Finished difference Result 373 states and 413 transitions. [2020-11-30 02:25:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:25:21,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-30 02:25:21,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:21,627 INFO L225 Difference]: With dead ends: 373 [2020-11-30 02:25:21,627 INFO L226 Difference]: Without dead ends: 373 [2020-11-30 02:25:21,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:25:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-11-30 02:25:21,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 291. [2020-11-30 02:25:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-11-30 02:25:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 327 transitions. [2020-11-30 02:25:21,638 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 327 transitions. Word has length 20 [2020-11-30 02:25:21,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:21,639 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 327 transitions. [2020-11-30 02:25:21,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:25:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 327 transitions. [2020-11-30 02:25:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 02:25:21,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:21,640 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:21,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 02:25:21,641 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:21,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:21,642 INFO L82 PathProgramCache]: Analyzing trace with hash -742842851, now seen corresponding path program 1 times [2020-11-30 02:25:21,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:21,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397162914] [2020-11-30 02:25:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 02:25:21,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397162914] [2020-11-30 02:25:21,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:21,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 02:25:21,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524077262] [2020-11-30 02:25:21,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 02:25:21,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:21,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 02:25:21,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 02:25:21,750 INFO L87 Difference]: Start difference. First operand 291 states and 327 transitions. Second operand 5 states. [2020-11-30 02:25:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:22,034 INFO L93 Difference]: Finished difference Result 288 states and 323 transitions. [2020-11-30 02:25:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 02:25:22,035 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-30 02:25:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:22,037 INFO L225 Difference]: With dead ends: 288 [2020-11-30 02:25:22,038 INFO L226 Difference]: Without dead ends: 288 [2020-11-30 02:25:22,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 02:25:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-11-30 02:25:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-11-30 02:25:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-11-30 02:25:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 323 transitions. [2020-11-30 02:25:22,047 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 323 transitions. Word has length 20 [2020-11-30 02:25:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:22,047 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 323 transitions. [2020-11-30 02:25:22,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 02:25:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 323 transitions. [2020-11-30 02:25:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:25:22,050 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:22,051 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:22,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 02:25:22,052 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:22,052 INFO L82 PathProgramCache]: Analyzing trace with hash -780858765, now seen corresponding path program 1 times [2020-11-30 02:25:22,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:22,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130265325] [2020-11-30 02:25:22,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:22,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130265325] [2020-11-30 02:25:22,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:22,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 02:25:22,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343313073] [2020-11-30 02:25:22,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:25:22,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:22,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:25:22,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:25:22,176 INFO L87 Difference]: Start difference. First operand 288 states and 323 transitions. Second operand 7 states. [2020-11-30 02:25:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:22,744 INFO L93 Difference]: Finished difference Result 605 states and 633 transitions. [2020-11-30 02:25:22,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:25:22,745 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-30 02:25:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:22,749 INFO L225 Difference]: With dead ends: 605 [2020-11-30 02:25:22,749 INFO L226 Difference]: Without dead ends: 605 [2020-11-30 02:25:22,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-30 02:25:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2020-11-30 02:25:22,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 288. [2020-11-30 02:25:22,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-11-30 02:25:22,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 322 transitions. [2020-11-30 02:25:22,762 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 322 transitions. Word has length 23 [2020-11-30 02:25:22,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:22,763 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 322 transitions. [2020-11-30 02:25:22,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:25:22,763 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 322 transitions. [2020-11-30 02:25:22,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 02:25:22,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:22,764 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:22,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 02:25:22,765 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:22,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:22,766 INFO L82 PathProgramCache]: Analyzing trace with hash -2059825212, now seen corresponding path program 1 times [2020-11-30 02:25:22,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:22,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666366635] [2020-11-30 02:25:22,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:22,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666366635] [2020-11-30 02:25:22,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:22,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 02:25:22,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771406370] [2020-11-30 02:25:22,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:25:22,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:22,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:25:22,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:25:22,875 INFO L87 Difference]: Start difference. First operand 288 states and 322 transitions. Second operand 7 states. [2020-11-30 02:25:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:23,435 INFO L93 Difference]: Finished difference Result 602 states and 630 transitions. [2020-11-30 02:25:23,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 02:25:23,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-11-30 02:25:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:23,439 INFO L225 Difference]: With dead ends: 602 [2020-11-30 02:25:23,440 INFO L226 Difference]: Without dead ends: 602 [2020-11-30 02:25:23,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-30 02:25:23,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-11-30 02:25:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 288. [2020-11-30 02:25:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-11-30 02:25:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 321 transitions. [2020-11-30 02:25:23,452 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 321 transitions. Word has length 23 [2020-11-30 02:25:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:23,453 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 321 transitions. [2020-11-30 02:25:23,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:25:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 321 transitions. [2020-11-30 02:25:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:25:23,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:23,457 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:23,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 02:25:23,458 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:23,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1550770619, now seen corresponding path program 1 times [2020-11-30 02:25:23,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:23,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310496179] [2020-11-30 02:25:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:23,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310496179] [2020-11-30 02:25:23,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:23,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:25:23,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557554728] [2020-11-30 02:25:23,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:25:23,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:23,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:25:23,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:25:23,580 INFO L87 Difference]: Start difference. First operand 288 states and 321 transitions. Second operand 7 states. [2020-11-30 02:25:24,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:24,709 INFO L93 Difference]: Finished difference Result 702 states and 739 transitions. [2020-11-30 02:25:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:25:24,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-11-30 02:25:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:24,714 INFO L225 Difference]: With dead ends: 702 [2020-11-30 02:25:24,714 INFO L226 Difference]: Without dead ends: 702 [2020-11-30 02:25:24,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:25:24,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-11-30 02:25:24,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 289. [2020-11-30 02:25:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-11-30 02:25:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 323 transitions. [2020-11-30 02:25:24,728 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 323 transitions. Word has length 24 [2020-11-30 02:25:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:24,729 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 323 transitions. [2020-11-30 02:25:24,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:25:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 323 transitions. [2020-11-30 02:25:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:25:24,732 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:24,732 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:24,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 02:25:24,732 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:24,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1550770620, now seen corresponding path program 1 times [2020-11-30 02:25:24,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:24,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561700874] [2020-11-30 02:25:24,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:24,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561700874] [2020-11-30 02:25:24,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:24,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 02:25:24,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152317603] [2020-11-30 02:25:24,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:25:24,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:24,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:25:24,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:25:24,891 INFO L87 Difference]: Start difference. First operand 289 states and 323 transitions. Second operand 8 states. [2020-11-30 02:25:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:26,618 INFO L93 Difference]: Finished difference Result 828 states and 869 transitions. [2020-11-30 02:25:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 02:25:26,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-30 02:25:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:26,623 INFO L225 Difference]: With dead ends: 828 [2020-11-30 02:25:26,623 INFO L226 Difference]: Without dead ends: 828 [2020-11-30 02:25:26,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-11-30 02:25:26,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-11-30 02:25:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 289. [2020-11-30 02:25:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-11-30 02:25:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 322 transitions. [2020-11-30 02:25:26,636 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 322 transitions. Word has length 24 [2020-11-30 02:25:26,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:26,637 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 322 transitions. [2020-11-30 02:25:26,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:25:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 322 transitions. [2020-11-30 02:25:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:25:26,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:26,641 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:26,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 02:25:26,642 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:26,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:26,643 INFO L82 PathProgramCache]: Analyzing trace with hash 553166813, now seen corresponding path program 1 times [2020-11-30 02:25:26,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:26,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702880524] [2020-11-30 02:25:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:26,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702880524] [2020-11-30 02:25:26,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:26,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 02:25:26,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197904351] [2020-11-30 02:25:26,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 02:25:26,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:26,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 02:25:26,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 02:25:26,763 INFO L87 Difference]: Start difference. First operand 289 states and 322 transitions. Second operand 7 states. [2020-11-30 02:25:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:27,780 INFO L93 Difference]: Finished difference Result 700 states and 737 transitions. [2020-11-30 02:25:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:25:27,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-11-30 02:25:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:27,784 INFO L225 Difference]: With dead ends: 700 [2020-11-30 02:25:27,785 INFO L226 Difference]: Without dead ends: 700 [2020-11-30 02:25:27,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-11-30 02:25:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-11-30 02:25:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 289. [2020-11-30 02:25:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-11-30 02:25:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 321 transitions. [2020-11-30 02:25:27,796 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 321 transitions. Word has length 24 [2020-11-30 02:25:27,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:27,797 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 321 transitions. [2020-11-30 02:25:27,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 02:25:27,797 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 321 transitions. [2020-11-30 02:25:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 02:25:27,797 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:27,798 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:27,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 02:25:27,798 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:27,799 INFO L82 PathProgramCache]: Analyzing trace with hash 553166814, now seen corresponding path program 1 times [2020-11-30 02:25:27,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:27,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811600468] [2020-11-30 02:25:27,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:25:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:25:27,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811600468] [2020-11-30 02:25:27,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:25:27,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 02:25:27,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958248126] [2020-11-30 02:25:27,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 02:25:27,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:25:27,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 02:25:27,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-30 02:25:27,917 INFO L87 Difference]: Start difference. First operand 289 states and 321 transitions. Second operand 8 states. [2020-11-30 02:25:29,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:25:29,636 INFO L93 Difference]: Finished difference Result 826 states and 867 transitions. [2020-11-30 02:25:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-30 02:25:29,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2020-11-30 02:25:29,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:25:29,642 INFO L225 Difference]: With dead ends: 826 [2020-11-30 02:25:29,642 INFO L226 Difference]: Without dead ends: 826 [2020-11-30 02:25:29,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-11-30 02:25:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-11-30 02:25:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 289. [2020-11-30 02:25:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-11-30 02:25:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 320 transitions. [2020-11-30 02:25:29,655 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 320 transitions. Word has length 24 [2020-11-30 02:25:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:25:29,655 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 320 transitions. [2020-11-30 02:25:29,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 02:25:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 320 transitions. [2020-11-30 02:25:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 02:25:29,656 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:25:29,656 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:25:29,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 02:25:29,657 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr66REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr108REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr93REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr36ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr100REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr96REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr81REQUIRES_VIOLATION, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr130ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr73REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr69REQUIRES_VIOLATION, ULTIMATE.startErr92REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr126REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr80REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr68REQUIRES_VIOLATION, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr106REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr122ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr72REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr95REQUIRES_VIOLATION, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr91REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr98REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr129ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr125REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr67REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr94REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr97REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr110ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr82REQUIRES_VIOLATION, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr105REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr119ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-11-30 02:25:29,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:25:29,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1955027825, now seen corresponding path program 1 times [2020-11-30 02:25:29,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:25:29,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746584356] [2020-11-30 02:25:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:25:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:25:29,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:25:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:25:29,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:25:29,767 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 02:25:29,768 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:25:29,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 02:25:29,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:25:29 BoogieIcfgContainer [2020-11-30 02:25:29,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:25:29,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:25:29,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:25:29,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:25:29,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:25:15" (3/4) ... [2020-11-30 02:25:29,831 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 02:25:29,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5f2f10ca-766d-4842-a7c3-38c651297402/bin/utaipan/witness.graphml [2020-11-30 02:25:29,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:25:29,883 INFO L168 Benchmark]: Toolchain (without parser) took 17593.55 ms. Allocated memory was 88.1 MB in the beginning and 247.5 MB in the end (delta: 159.4 MB). Free memory was 55.1 MB in the beginning and 127.8 MB in the end (delta: -72.7 MB). Peak memory consumption was 85.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,884 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:25:29,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.18 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 51.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.67 ms. Allocated memory is still 88.1 MB. Free memory was 51.3 MB in the beginning and 48.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,886 INFO L168 Benchmark]: Boogie Preprocessor took 98.05 ms. Allocated memory is still 88.1 MB. Free memory was 48.3 MB in the beginning and 45.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,886 INFO L168 Benchmark]: RCFGBuilder took 1951.42 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.1 MB in the beginning and 77.3 MB in the end (delta: -32.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,887 INFO L168 Benchmark]: TraceAbstraction took 14668.86 ms. Allocated memory was 107.0 MB in the beginning and 247.5 MB in the end (delta: 140.5 MB). Free memory was 76.6 MB in the beginning and 130.9 MB in the end (delta: -54.4 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,888 INFO L168 Benchmark]: Witness Printer took 53.79 ms. Allocated memory is still 247.5 MB. Free memory was 130.9 MB in the beginning and 127.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:25:29,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 46.0 MB in the beginning and 45.9 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 713.18 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 51.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.67 ms. Allocated memory is still 88.1 MB. Free memory was 51.3 MB in the beginning and 48.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.05 ms. Allocated memory is still 88.1 MB. Free memory was 48.3 MB in the beginning and 45.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1951.42 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 45.1 MB in the beginning and 77.3 MB in the end (delta: -32.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14668.86 ms. Allocated memory was 107.0 MB in the beginning and 247.5 MB in the end (delta: 140.5 MB). Free memory was 76.6 MB in the beginning and 130.9 MB in the end (delta: -54.4 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. * Witness Printer took 53.79 ms. Allocated memory is still 247.5 MB. Free memory was 130.9 MB in the beginning and 127.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L638] struct list *data = ((void *)0); [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); [L641] COND FALSE !(!node) [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); [L646] COND FALSE !(!item) [L648] item->slist = node [L649] item->next = data [L650] data = item [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) [L615] COND FALSE !(!(shape)) [L616] shape->next [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) [L623] EXPR shape->next [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist [L625] EXPR shape->slist->next [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "merge_sort-1.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 281 locations, 131 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.5s, OverallIterations: 19, TraceHistogramMax: 2, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4348 SDtfs, 13791 SDslu, 7170 SDs, 0 SdLazy, 5888 SolverSat, 236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 4833 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 35190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 24/24 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 incorrect! Received shutdown request...