./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 02:24:21,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 02:24:21,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 02:24:22,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 02:24:22,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 02:24:22,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 02:24:22,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 02:24:22,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 02:24:22,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 02:24:22,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 02:24:22,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 02:24:22,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 02:24:22,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 02:24:22,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 02:24:22,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 02:24:22,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 02:24:22,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 02:24:22,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 02:24:22,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 02:24:22,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 02:24:22,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 02:24:22,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 02:24:22,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 02:24:22,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 02:24:22,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 02:24:22,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 02:24:22,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 02:24:22,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 02:24:22,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 02:24:22,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 02:24:22,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 02:24:22,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 02:24:22,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 02:24:22,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 02:24:22,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 02:24:22,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 02:24:22,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 02:24:22,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 02:24:22,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 02:24:22,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 02:24:22,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 02:24:22,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 02:24:22,109 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 02:24:22,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 02:24:22,111 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 02:24:22,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 02:24:22,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 02:24:22,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 02:24:22,112 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 02:24:22,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 02:24:22,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 02:24:22,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 02:24:22,114 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 02:24:22,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 02:24:22,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:24:22,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 02:24:22,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 02:24:22,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 02:24:22,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 02:24:22,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 02:24:22,116 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 02:24:22,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 02:24:22,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 02:24:22,117 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 02:24:22,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2021-11-06 02:24:22,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 02:24:22,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 02:24:22,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 02:24:22,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 02:24:22,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 02:24:22,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-06 02:24:22,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b4da82b/a025eca163d143f88ba7f0133aead0bd/FLAG218944ee1 [2021-11-06 02:24:22,925 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 02:24:22,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-06 02:24:22,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b4da82b/a025eca163d143f88ba7f0133aead0bd/FLAG218944ee1 [2021-11-06 02:24:23,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0b4da82b/a025eca163d143f88ba7f0133aead0bd [2021-11-06 02:24:23,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 02:24:23,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 02:24:23,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 02:24:23,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 02:24:23,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 02:24:23,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:23,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f762d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23, skipping insertion in model container [2021-11-06 02:24:23,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:23,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 02:24:23,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 02:24:23,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-06 02:24:23,802 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-06 02:24:23,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:24:23,811 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 02:24:23,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-06 02:24:23,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-06 02:24:23,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:24:23,956 INFO L208 MainTranslator]: Completed translation [2021-11-06 02:24:23,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23 WrapperNode [2021-11-06 02:24:23,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 02:24:23,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 02:24:23,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 02:24:23,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 02:24:23,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:23,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 02:24:24,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 02:24:24,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 02:24:24,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 02:24:24,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 02:24:24,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 02:24:24,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 02:24:24,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 02:24:24,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (1/1) ... [2021-11-06 02:24:24,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:24:24,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:24,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 02:24:24,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 02:24:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 02:24:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 02:24:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 02:24:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 02:24:24,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 02:24:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 02:24:26,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 02:24:26,832 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 02:24:26,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:24:26 BoogieIcfgContainer [2021-11-06 02:24:26,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 02:24:26,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 02:24:26,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 02:24:26,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 02:24:26,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:24:23" (1/3) ... [2021-11-06 02:24:26,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d520093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:24:26, skipping insertion in model container [2021-11-06 02:24:26,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:24:23" (2/3) ... [2021-11-06 02:24:26,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d520093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:24:26, skipping insertion in model container [2021-11-06 02:24:26,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:24:26" (3/3) ... [2021-11-06 02:24:26,840 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2021-11-06 02:24:26,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 02:24:26,844 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 02:24:26,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 02:24:26,883 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 02:24:26,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 02:24:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 02:24:26,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:26,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:26,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:26,924 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 02:24:26,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:26,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222878709] [2021-11-06 02:24:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:26,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:27,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:27,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222878709] [2021-11-06 02:24:27,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222878709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:27,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:27,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 02:24:27,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243643291] [2021-11-06 02:24:27,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:27,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 02:24:27,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:27,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 02:24:27,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:24:27,106 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:27,174 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 02:24:27,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 02:24:27,179 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 02:24:27,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:27,212 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 02:24:27,218 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 02:24:27,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:24:27,236 INFO L933 BasicCegarLoop]: 2704 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:27,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 8.74ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 02:24:27,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 02:24:27,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 02:24:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 02:24:27,413 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 02:24:27,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:27,414 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 02:24:27,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 02:24:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 02:24:27,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:27,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:27,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 02:24:27,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:27,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:27,423 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 02:24:27,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:27,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318491953] [2021-11-06 02:24:27,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:27,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:27,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:27,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318491953] [2021-11-06 02:24:27,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318491953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:27,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:27,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:24:27,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649340562] [2021-11-06 02:24:27,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:27,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:24:27,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:27,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:24:27,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:24:27,507 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:27,868 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 02:24:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:24:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 02:24:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:27,880 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 02:24:27,881 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 02:24:27,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:24:27,888 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 196.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.70ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 251.51ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:27,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 13.70ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 251.51ms Time] [2021-11-06 02:24:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 02:24:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 02:24:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 02:24:27,937 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 02:24:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:27,937 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 02:24:27,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 02:24:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:24:27,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:27,940 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:27,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 02:24:27,940 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:27,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 02:24:27,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:27,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417046940] [2021-11-06 02:24:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:27,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:27,964 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:27,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76447938] [2021-11-06 02:24:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:27,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:27,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:28,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 02:24:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:28,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:24:28,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:28,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:28,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:28,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417046940] [2021-11-06 02:24:28,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:28,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76447938] [2021-11-06 02:24:28,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76447938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:28,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:28,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:24:28,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095343041] [2021-11-06 02:24:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:28,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:24:28,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:28,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:24:28,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:28,290 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:28,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:28,357 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 02:24:28,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:24:28,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 02:24:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:28,363 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 02:24:28,364 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 02:24:28,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:28,370 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.12ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.60ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:28,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 5.12ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 37.60ms Time] [2021-11-06 02:24:28,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 02:24:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 02:24:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 02:24:28,441 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 02:24:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:28,441 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 02:24:28,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 02:24:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:24:28,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:28,446 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:28,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 02:24:28,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:28,663 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:28,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:28,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 02:24:28,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:28,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819567104] [2021-11-06 02:24:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:28,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:28,675 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:28,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611411364] [2021-11-06 02:24:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:28,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:28,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:28,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:28,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 02:24:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:28,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:24:28,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 02:24:29,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:29,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:29,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819567104] [2021-11-06 02:24:29,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:29,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611411364] [2021-11-06 02:24:29,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611411364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:29,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:29,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:24:29,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894628488] [2021-11-06 02:24:29,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:29,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:24:29,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:29,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:24:29,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:29,033 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:29,107 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 02:24:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:24:29,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 02:24:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:29,113 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 02:24:29,113 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 02:24:29,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:29,116 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.10ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.42ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:29,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.10ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 48.42ms Time] [2021-11-06 02:24:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 02:24:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 02:24:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 02:24:29,142 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 02:24:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:29,143 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 02:24:29,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 02:24:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:24:29,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:29,144 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:29,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 02:24:29,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 02:24:29,361 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:29,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 02:24:29,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:29,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043238846] [2021-11-06 02:24:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:29,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:29,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:29,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588536242] [2021-11-06 02:24:29,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:29,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:29,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:29,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:29,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 02:24:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:29,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:24:29,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:29,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:29,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:29,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043238846] [2021-11-06 02:24:29,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:29,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588536242] [2021-11-06 02:24:29,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588536242] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:29,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:29,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:24:29,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078381407] [2021-11-06 02:24:29,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:29,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:24:29,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:29,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:24:29,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:24:29,641 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:29,742 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 02:24:29,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:24:29,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 02:24:29,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:29,747 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 02:24:29,747 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 02:24:29,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:24:29,749 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.38ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.80ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:29,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 6.38ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 40.80ms Time] [2021-11-06 02:24:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 02:24:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 02:24:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 02:24:29,775 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 02:24:29,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:29,775 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 02:24:29,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 02:24:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:24:29,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:29,776 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:29,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 02:24:29,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:29,989 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:29,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 02:24:29,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:29,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601299734] [2021-11-06 02:24:29,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:29,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:30,005 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:30,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666121677] [2021-11-06 02:24:30,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:30,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:30,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:30,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 02:24:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:30,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:24:30,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 02:24:30,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:30,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:30,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601299734] [2021-11-06 02:24:30,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:30,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666121677] [2021-11-06 02:24:30,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666121677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:30,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:30,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:24:30,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177663430] [2021-11-06 02:24:30,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:30,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:24:30,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:30,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:24:30,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:24:30,246 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:30,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:30,321 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 02:24:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:24:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 02:24:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:30,327 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 02:24:30,327 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 02:24:30,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:24:30,331 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.86ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.65ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:30,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 5.86ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 43.65ms Time] [2021-11-06 02:24:30,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 02:24:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 02:24:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 02:24:30,357 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 02:24:30,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:30,358 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 02:24:30,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 02:24:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:24:30,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:30,362 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:30,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 02:24:30,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:30,578 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:30,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:30,579 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 02:24:30,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:30,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782055794] [2021-11-06 02:24:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:30,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:30,600 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:30,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886987351] [2021-11-06 02:24:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:30,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:30,620 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:30,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 02:24:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:30,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:24:30,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:30,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:30,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:30,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782055794] [2021-11-06 02:24:30,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:30,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886987351] [2021-11-06 02:24:30,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886987351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:30,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:30,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:24:30,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22900607] [2021-11-06 02:24:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:30,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:24:30,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:30,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:24:30,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:30,970 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:31,029 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 02:24:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:24:31,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 02:24:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:31,039 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 02:24:31,039 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 02:24:31,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:24:31,043 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.00ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.70ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:31,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 4.00ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 26.70ms Time] [2021-11-06 02:24:31,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 02:24:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 02:24:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 02:24:31,149 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 02:24:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:31,149 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 02:24:31,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 02:24:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 02:24:31,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:31,164 INFO L514 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, 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, 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, 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, 1] [2021-11-06 02:24:31,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 02:24:31,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:31,381 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 02:24:31,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:31,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017388368] [2021-11-06 02:24:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:31,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:31,390 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:31,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564541343] [2021-11-06 02:24:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:31,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:31,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:31,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 02:24:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:31,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:24:31,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 02:24:31,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:24:31,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:24:31,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017388368] [2021-11-06 02:24:31,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:24:31,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564541343] [2021-11-06 02:24:31,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564541343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:24:31,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:24:31,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:24:31,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834617531] [2021-11-06 02:24:31,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:24:31,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:24:31,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:24:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:24:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:24:31,708 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:24:31,837 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 02:24:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:24:31,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 02:24:31,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:24:31,843 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 02:24:31,843 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 02:24:31,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.20ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:24:31,846 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.42ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.93ms IncrementalHoareTripleChecker+Time [2021-11-06 02:24:31,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 4.42ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 97.93ms Time] [2021-11-06 02:24:31,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 02:24:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 02:24:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 02:24:31,872 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 02:24:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:24:31,872 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 02:24:31,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:24:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 02:24:31,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 02:24:31,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:24:31,874 INFO L514 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:24:31,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 02:24:32,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:32,090 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 02:24:32,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:24:32,091 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 02:24:32,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:24:32,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070372088] [2021-11-06 02:24:32,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:32,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:24:32,101 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:24:32,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176993959] [2021-11-06 02:24:32,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:24:32,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:24:32,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:24:32,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 02:24:32,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 02:24:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:24:32,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 02:24:32,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:24:32,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 02:24:32,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 02:24:32,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:32,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 02:24:32,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:32,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:32,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 02:24:33,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 02:24:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 02:24:33,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 02:24:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 02:24:33,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 02:24:33,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 02:24:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,225 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 02:24:33,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 02:24:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:33,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 02:24:34,223 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 02:24:34,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 02:24:34,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,398 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 02:24:35,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 02:24:35,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:40,732 WARN L230 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 02:24:40,733 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 02:24:40,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 02:24:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:41,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 02:24:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:41,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 02:24:43,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:24:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:24:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:24:43,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:43,398 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-06 02:24:43,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-06 02:24:44,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:24:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:44,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:44,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:24:44,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:24:44,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:34,364 WARN L230 SmtUtils]: Spent 8.83m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 02:33:34,366 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 02:33:34,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-06 02:33:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:37,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:37,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:37,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,077 INFO L244 Elim1Store]: Index analysis took 354 ms [2021-11-06 02:33:38,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,494 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:33:38,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-06 02:33:38,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:38,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,004 INFO L244 Elim1Store]: Index analysis took 304 ms [2021-11-06 02:33:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,264 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:33:39,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-06 02:33:39,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,717 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-11-06 02:33:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,009 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:33:40,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 02:33:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,393 INFO L244 Elim1Store]: Index analysis took 261 ms [2021-11-06 02:33:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:33:40,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:33:40,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15