./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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_BER_test2-1.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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:22:26,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:22:26,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:22:26,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:22:26,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:22:26,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:22:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:22:26,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:22:26,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:22:26,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:22:26,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:22:26,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:22:26,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:22:26,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:22:26,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:22:26,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:22:26,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:22:26,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:22:26,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:22:26,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:22:26,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:22:26,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:22:26,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:22:26,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:22:26,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:22:26,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:22:26,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:22:26,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:22:26,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:22:26,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:22:26,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:22:26,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:22:26,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:22:26,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:22:26,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:22:26,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:22:26,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:22:26,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:22:26,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:22:26,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:22:26,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:22:26,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:22:26,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:22:26,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:22:26,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:22:26,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:22:26,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:22:26,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:22:26,999 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:22:26,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:22:27,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:22:27,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:22:27,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:22:27,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:22:27,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:22:27,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:22:27,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:22:27,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:22:27,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:22:27,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:22:27,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:22:27,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:22:27,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:22:27,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:22:27,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:22:27,004 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:22:27,004 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:22:27,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:22:27,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:22:27,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-06 22:22:27,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:22:27,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:22:27,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:22:27,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:22:27,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:22:27,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-06 22:22:27,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8385c77bd/94fc79ab6e254c9da613b523ed4147f0/FLAG64b111af2 [2021-11-06 22:22:27,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:22:27,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-06 22:22:27,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8385c77bd/94fc79ab6e254c9da613b523ed4147f0/FLAG64b111af2 [2021-11-06 22:22:28,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8385c77bd/94fc79ab6e254c9da613b523ed4147f0 [2021-11-06 22:22:28,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:22:28,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:22:28,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:22:28,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:22:28,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:22:28,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:28" (1/1) ... [2021-11-06 22:22:28,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7115b476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:28, skipping insertion in model container [2021-11-06 22:22:28,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:28" (1/1) ... [2021-11-06 22:22:28,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:22:28,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:22:28,730 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_BER_test2-1.i[37019,37032] [2021-11-06 22:22:28,841 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_BER_test2-1.i[47352,47365] [2021-11-06 22:22:28,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:22:28,863 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:22:28,902 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_BER_test2-1.i[37019,37032] [2021-11-06 22:22:28,969 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_BER_test2-1.i[47352,47365] [2021-11-06 22:22:28,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:22:29,007 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:22:29,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29 WrapperNode [2021-11-06 22:22:29,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:22:29,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:22:29,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:22:29,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:22:29,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:22:29,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:22:29,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:22:29,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:22:29,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:22:29,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:22:29,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:22:29,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:22:29,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (1/1) ... [2021-11-06 22:22:29,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:22:29,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:29,240 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 22:22:29,263 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 22:22:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:22:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:22:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:22:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:22:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:22:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:22:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:22:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:22:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:22:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:22:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:22:30,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:22:30,134 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 22:22:30,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:30 BoogieIcfgContainer [2021-11-06 22:22:30,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:22:30,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:22:30,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:22:30,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:22:30,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:28" (1/3) ... [2021-11-06 22:22:30,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1656fedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:30, skipping insertion in model container [2021-11-06 22:22:30,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:29" (2/3) ... [2021-11-06 22:22:30,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1656fedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:30, skipping insertion in model container [2021-11-06 22:22:30,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:30" (3/3) ... [2021-11-06 22:22:30,142 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2021-11-06 22:22:30,146 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:22:30,147 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 22:22:30,192 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:22:30,198 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 22:22:30,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 22:22:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 22:22:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:22:30,231 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:30,231 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:30,232 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:30,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:30,235 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 22:22:30,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:30,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430030580] [2021-11-06 22:22:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:30,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:30,384 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 22:22:30,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:30,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430030580] [2021-11-06 22:22:30,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430030580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:30,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:30,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:22:30,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572376719] [2021-11-06 22:22:30,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:22:30,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:30,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:22:30,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:22:30,407 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 22:22:30,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:30,452 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 22:22:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:22:30,453 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 22:22:30,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:30,464 INFO L225 Difference]: With dead ends: 352 [2021-11-06 22:22:30,464 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 22:22:30,467 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:22:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 22:22:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 22:22:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 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 22:22:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 22:22:30,517 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 22:22:30,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:30,517 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 22:22:30,518 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 22:22:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 22:22:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 22:22:30,520 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:30,521 INFO L513 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 22:22:30,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:22:30,521 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:30,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:30,523 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 22:22:30,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:30,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604073470] [2021-11-06 22:22:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:30,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:30,640 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 22:22:30,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:30,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604073470] [2021-11-06 22:22:30,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604073470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:30,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:30,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:30,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603302706] [2021-11-06 22:22:30,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:30,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:30,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:30,645 INFO L87 Difference]: Start difference. First operand 173 states and 225 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 22:22:30,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:30,965 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 22:22:30,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:30,966 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 22:22:30,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:30,967 INFO L225 Difference]: With dead ends: 377 [2021-11-06 22:22:30,968 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 22:22:30,969 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:30,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 22:22:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 22:22:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 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 22:22:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 22:22:30,979 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 22:22:30,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:30,979 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 22:22:30,980 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 22:22:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 22:22:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:22:30,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:30,982 INFO L513 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 22:22:30,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:22:30,983 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 22:22:30,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:30,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883489148] [2021-11-06 22:22:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:30,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:31,001 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:31,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006099449] [2021-11-06 22:22:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:31,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:31,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:31,004 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 22:22:31,033 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 22:22:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:31,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:31,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:31,427 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 22:22:31,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:31,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883489148] [2021-11-06 22:22:31,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:31,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006099449] [2021-11-06 22:22:31,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006099449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:31,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:31,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:31,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201479972] [2021-11-06 22:22:31,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:31,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:31,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:31,431 INFO L87 Difference]: Start difference. First operand 175 states and 227 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 22:22:31,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:31,493 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 22:22:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:31,493 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 22:22:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:31,495 INFO L225 Difference]: With dead ends: 367 [2021-11-06 22:22:31,499 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 22:22:31,501 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 22:22:31,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 22:22:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 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 22:22:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 22:22:31,533 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 22:22:31,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:31,534 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 22:22:31,536 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 22:22:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 22:22:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:22:31,543 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:31,543 INFO L513 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 22:22:31,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:31,759 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 22:22:31,760 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:31,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:31,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 22:22:31,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:31,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712575999] [2021-11-06 22:22:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:31,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:31,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:31,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297426990] [2021-11-06 22:22:31,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:31,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:31,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:31,783 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 22:22:31,784 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 22:22:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:31,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:31,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:32,196 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 22:22:32,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:32,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712575999] [2021-11-06 22:22:32,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:32,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297426990] [2021-11-06 22:22:32,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297426990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:32,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:32,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:32,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048475979] [2021-11-06 22:22:32,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:32,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:32,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:32,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:32,200 INFO L87 Difference]: Start difference. First operand 195 states and 247 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 22:22:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:32,259 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 22:22:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:32,260 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 22:22:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:32,261 INFO L225 Difference]: With dead ends: 298 [2021-11-06 22:22:32,261 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 22:22:32,262 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:32,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 22:22:32,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 22:22:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 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 22:22:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 22:22:32,266 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 22:22:32,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:32,267 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 22:22:32,267 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 22:22:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 22:22:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:22:32,268 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:32,268 INFO L513 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 22:22:32,298 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 22:22:32,485 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 22:22:32,486 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:32,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 22:22:32,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:32,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582498711] [2021-11-06 22:22:32,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:32,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:32,510 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:32,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956266060] [2021-11-06 22:22:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:32,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:32,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:32,515 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 22:22:32,516 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 22:22:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:32,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:32,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:32,926 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 22:22:32,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:32,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582498711] [2021-11-06 22:22:32,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:32,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956266060] [2021-11-06 22:22:32,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956266060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:32,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:32,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:32,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571532384] [2021-11-06 22:22:32,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:32,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:32,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:32,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:32,937 INFO L87 Difference]: Start difference. First operand 215 states and 267 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 22:22:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:33,005 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 22:22:33,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:33,010 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 22:22:33,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:33,012 INFO L225 Difference]: With dead ends: 418 [2021-11-06 22:22:33,012 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 22:22:33,014 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 22:22:33,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 22:22:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 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 22:22:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 22:22:33,018 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 22:22:33,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:33,019 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 22:22:33,019 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 22:22:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 22:22:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:22:33,025 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:33,025 INFO L513 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 22:22:33,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 22:22:33,225 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 22:22:33,226 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:33,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 22:22:33,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:33,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776115187] [2021-11-06 22:22:33,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:33,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:33,239 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:33,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564422144] [2021-11-06 22:22:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:33,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:33,241 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 22:22:33,264 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 22:22:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:33,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:33,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:33,648 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 22:22:33,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:33,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776115187] [2021-11-06 22:22:33,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:33,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564422144] [2021-11-06 22:22:33,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564422144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:33,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:33,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:33,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094529859] [2021-11-06 22:22:33,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:33,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:33,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:33,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:33,651 INFO L87 Difference]: Start difference. First operand 201 states and 246 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 22:22:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:33,707 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 22:22:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:33,708 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 22:22:33,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:33,709 INFO L225 Difference]: With dead ends: 295 [2021-11-06 22:22:33,709 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 22:22:33,709 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 22:22:33,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 22:22:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 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 22:22:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 22:22:33,714 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 22:22:33,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:33,714 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 22:22:33,714 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 22:22:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 22:22:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:22:33,715 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:33,716 INFO L513 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 22:22:33,742 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 22:22:33,923 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 22:22:33,923 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 22:22:33,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:33,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818910244] [2021-11-06 22:22:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:33,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:33,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:33,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531182072] [2021-11-06 22:22:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:33,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:33,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:33,937 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 22:22:33,963 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 22:22:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:34,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:22:34,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:34,542 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 22:22:34,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:34,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818910244] [2021-11-06 22:22:34,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:34,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531182072] [2021-11-06 22:22:34,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531182072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:34,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:34,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:34,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480054710] [2021-11-06 22:22:34,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:34,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:34,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:34,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:34,545 INFO L87 Difference]: Start difference. First operand 187 states and 225 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 22:22:34,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:34,599 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 22:22:34,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:34,599 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 22:22:34,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:34,601 INFO L225 Difference]: With dead ends: 486 [2021-11-06 22:22:34,601 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 22:22:34,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:34,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 22:22:34,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 22:22:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 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 22:22:34,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 22:22:34,608 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 22:22:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:34,608 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 22:22:34,609 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 22:22:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 22:22:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:22:34,610 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:34,610 INFO L513 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 22:22:34,635 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 22:22:34,835 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 22:22:34,835 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 22:22:34,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:34,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172049384] [2021-11-06 22:22:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:34,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:34,850 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:34,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640870668] [2021-11-06 22:22:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:34,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:34,852 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 22:22:34,853 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 22:22:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:35,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:22:35,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:35,401 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 22:22:35,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:35,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172049384] [2021-11-06 22:22:35,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:35,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640870668] [2021-11-06 22:22:35,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640870668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:35,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:35,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:35,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110647614] [2021-11-06 22:22:35,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:35,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:35,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:35,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:35,404 INFO L87 Difference]: Start difference. First operand 291 states and 350 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 22:22:35,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:35,550 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 22:22:35,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:35,551 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 22:22:35,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:35,552 INFO L225 Difference]: With dead ends: 474 [2021-11-06 22:22:35,552 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 22:22:35,553 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 22:22:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 22:22:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 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 22:22:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 22:22:35,559 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 22:22:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:35,559 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 22:22:35,559 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 22:22:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 22:22:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:22:35,560 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:35,560 INFO L513 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 22:22:35,583 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 22:22:35,779 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 22:22:35,780 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 22:22:35,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:35,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735131647] [2021-11-06 22:22:35,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:35,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:35,793 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:35,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221664090] [2021-11-06 22:22:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:35,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:35,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:35,795 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 22:22:35,796 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 22:22:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:36,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:22:36,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:36,114 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 22:22:36,120 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 22:22:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:36,152 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 22:22:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:36,226 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 22:22:37,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,260 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 22:22:37,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,271 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 22:22:37,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,346 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 22:22:37,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,366 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 22:22:37,419 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 22:22:37,425 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 22:22:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,438 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:22:37,438 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 22:22:37,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:37,457 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 22:22:38,816 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:22:38,817 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 22:22:38,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:39,949 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:22:39,949 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 22:22:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:44,670 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 22:22:44,670 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 22:22:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:45,217 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 22:22:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:45,356 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 22:22:48,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:48,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:48,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:48,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,331 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-06 22:22:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-06 22:22:49,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:49,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:56,437 WARN L207 SmtUtils]: Spent 8.12 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 22:30:56,440 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 22:30:56,443 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 1851380 treesize of output 765901 [2021-11-06 22:31:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,249 INFO L244 Elim1Store]: Index analysis took 218 ms [2021-11-06 22:31:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:01,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:31:01,453 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 22:31:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:03,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:03,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:04,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,152 INFO L244 Elim1Store]: Index analysis took 2212 ms [2021-11-06 22:31:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:06,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:07,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:31:07,433 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 1023 treesize of output 442 [2021-11-06 22:31:07,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:08,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:09,152 INFO L244 Elim1Store]: Index analysis took 1414 ms [2021-11-06 22:31:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:10,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:10,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:10,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:10,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:31:10,971 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 758 treesize of output 356 [2021-11-06 22:31:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:11,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:11,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,452 INFO L244 Elim1Store]: Index analysis took 1232 ms [2021-11-06 22:31:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:13,829 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:31:13,829 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