./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.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 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 01:50:50,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 01:50:50,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 01:50:50,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 01:50:50,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 01:50:50,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 01:50:50,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 01:50:50,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 01:50:50,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 01:50:50,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 01:50:50,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 01:50:50,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 01:50:50,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 01:50:50,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 01:50:50,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 01:50:50,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 01:50:50,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 01:50:50,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 01:50:50,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 01:50:50,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 01:50:50,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 01:50:50,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 01:50:50,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 01:50:50,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 01:50:50,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 01:50:50,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 01:50:50,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 01:50:50,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 01:50:50,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 01:50:50,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 01:50:50,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 01:50:50,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 01:50:50,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 01:50:50,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 01:50:50,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 01:50:50,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 01:50:50,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 01:50:50,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 01:50:50,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 01:50:50,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 01:50:50,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 01:50:50,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 01:50:50,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 01:50:50,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 01:50:50,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 01:50:50,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 01:50:50,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 01:50:50,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 01:50:50,234 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 01:50:50,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 01:50:50,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 01:50:50,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 01:50:50,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 01:50:50,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 01:50:50,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 01:50:50,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 01:50:50,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 01:50:50,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 01:50:50,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:50:50,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 01:50:50,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 01:50:50,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 01:50:50,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 01:50:50,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 01:50:50,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 01:50:50,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 01:50:50,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 01:50:50,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 01:50:50,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f [2021-11-06 01:50:50,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 01:50:50,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 01:50:50,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 01:50:50,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 01:50:50,514 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 01:50:50,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2021-11-06 01:50:50,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3047cfdd/80992c5607024ff8bab94d62c1a6222c/FLAGca000512e [2021-11-06 01:50:51,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 01:50:51,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2021-11-06 01:50:51,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3047cfdd/80992c5607024ff8bab94d62c1a6222c/FLAGca000512e [2021-11-06 01:50:51,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3047cfdd/80992c5607024ff8bab94d62c1a6222c [2021-11-06 01:50:51,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 01:50:51,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 01:50:51,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 01:50:51,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 01:50:51,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 01:50:51,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64206f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51, skipping insertion in model container [2021-11-06 01:50:51,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 01:50:51,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 01:50:51,492 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_SAX_test3-2.i[33021,33034] [2021-11-06 01:50:51,606 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_SAX_test3-2.i[44590,44603] [2021-11-06 01:50:51,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:50:51,639 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 01:50:51,659 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_SAX_test3-2.i[33021,33034] [2021-11-06 01:50:51,692 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_SAX_test3-2.i[44590,44603] [2021-11-06 01:50:51,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:50:51,754 INFO L208 MainTranslator]: Completed translation [2021-11-06 01:50:51,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51 WrapperNode [2021-11-06 01:50:51,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 01:50:51,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 01:50:51,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 01:50:51,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 01:50:51,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 01:50:51,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 01:50:51,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 01:50:51,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 01:50:51,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 01:50:51,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 01:50:51,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 01:50:51,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 01:50:51,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (1/1) ... [2021-11-06 01:50:51,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:50:51,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:51,950 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 01:50:51,973 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 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 01:50:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 01:50:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 01:50:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 01:50:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 01:50:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 01:50:52,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 01:50:52,859 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 01:50:52,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:50:52 BoogieIcfgContainer [2021-11-06 01:50:52,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 01:50:52,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 01:50:52,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 01:50:52,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 01:50:52,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:50:51" (1/3) ... [2021-11-06 01:50:52,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05b05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:50:52, skipping insertion in model container [2021-11-06 01:50:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:50:51" (2/3) ... [2021-11-06 01:50:52,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c05b05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:50:52, skipping insertion in model container [2021-11-06 01:50:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:50:52" (3/3) ... [2021-11-06 01:50:52,866 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-2.i [2021-11-06 01:50:52,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 01:50:52,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 01:50:52,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 01:50:52,910 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 01:50:52,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 01:50:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 01:50:52,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 01:50:52,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:52,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:52,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 01:50:52,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:52,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701089563] [2021-11-06 01:50:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:52,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:53,078 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 01:50:53,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:53,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701089563] [2021-11-06 01:50:53,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701089563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:53,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:53,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 01:50:53,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834144925] [2021-11-06 01:50:53,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:53,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 01:50:53,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:53,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 01:50:53,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:50:53,114 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 01:50:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:53,150 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 01:50:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 01:50:53,152 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 01:50:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:53,159 INFO L225 Difference]: With dead ends: 460 [2021-11-06 01:50:53,159 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 01:50:53,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:50:53,164 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:53,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 2.10ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 01:50:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 01:50:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 01:50:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 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 01:50:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 01:50:53,199 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 01:50:53,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:53,199 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 01:50:53,199 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 01:50:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 01:50:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 01:50:53,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:53,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:53,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 01:50:53,200 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:53,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:53,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 01:50:53,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:53,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828045780] [2021-11-06 01:50:53,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:53,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:53,262 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 01:50:53,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:53,263 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828045780] [2021-11-06 01:50:53,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828045780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:53,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:53,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:50:53,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273684194] [2021-11-06 01:50:53,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:53,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:50:53,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:53,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:50:53,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:50:53,265 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:50:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:53,576 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 01:50:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:50:53,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-06 01:50:53,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:53,578 INFO L225 Difference]: With dead ends: 445 [2021-11-06 01:50:53,578 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 01:50:53,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.50ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:50:53,579 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 224.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.38ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 276.60ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:53,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 4.38ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 276.60ms Time] [2021-11-06 01:50:53,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 01:50:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 01:50:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 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 01:50:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 01:50:53,599 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 01:50:53,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:53,600 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 01:50:53,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:50:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 01:50:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:50:53,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:53,604 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:53,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 01:50:53,604 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:53,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:53,605 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 01:50:53,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:53,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234792328] [2021-11-06 01:50:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:53,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:53,627 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:53,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359950657] [2021-11-06 01:50:53,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:53,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:53,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:53,630 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 01:50:53,650 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 01:50:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:53,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:50:53,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:53,998 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 01:50:53,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:53,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:53,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234792328] [2021-11-06 01:50:53,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:54,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359950657] [2021-11-06 01:50:54,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359950657] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:54,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:54,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:50:54,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210896278] [2021-11-06 01:50:54,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:54,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:50:54,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:54,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:50:54,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:54,021 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:54,069 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 01:50:54,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:50:54,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 01:50:54,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:54,071 INFO L225 Difference]: With dead ends: 417 [2021-11-06 01:50:54,071 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 01:50:54,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:54,072 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.64ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:54,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 35.64ms Time] [2021-11-06 01:50:54,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 01:50:54,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 01:50:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 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 01:50:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 01:50:54,091 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 01:50:54,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:54,091 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 01:50:54,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 01:50:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:50:54,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:54,093 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:54,135 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 01:50:54,294 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 01:50:54,294 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:54,295 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 01:50:54,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:54,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791576466] [2021-11-06 01:50:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:54,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:54,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:54,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504534210] [2021-11-06 01:50:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:54,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:54,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:54,307 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 01:50:54,308 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 01:50:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:54,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:50:54,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:54,545 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 01:50:54,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:54,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:54,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791576466] [2021-11-06 01:50:54,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:54,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504534210] [2021-11-06 01:50:54,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504534210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:54,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:54,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:50:54,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541677232] [2021-11-06 01:50:54,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:54,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:50:54,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:54,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:50:54,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:50:54,548 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 01:50:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:54,596 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 01:50:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:50:54,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-06 01:50:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:54,597 INFO L225 Difference]: With dead ends: 428 [2021-11-06 01:50:54,597 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 01:50:54,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:50:54,599 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.25ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:54,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.25ms Time] [2021-11-06 01:50:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 01:50:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 01:50:54,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 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 01:50:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 01:50:54,605 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 01:50:54,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:54,605 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 01:50:54,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 01:50:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 01:50:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:50:54,611 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:54,611 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:54,635 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 01:50:54,823 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 01:50:54,823 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:54,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:54,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 01:50:54,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:54,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076494225] [2021-11-06 01:50:54,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:54,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:54,835 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:54,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468454816] [2021-11-06 01:50:54,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:54,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:54,838 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 01:50:54,840 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 01:50:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:54,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:50:54,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:55,131 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 01:50:55,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:55,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:55,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076494225] [2021-11-06 01:50:55,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:55,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468454816] [2021-11-06 01:50:55,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468454816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:55,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:55,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:50:55,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126617446] [2021-11-06 01:50:55,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:55,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:50:55,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:55,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:50:55,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:55,137 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:55,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:55,185 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 01:50:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:50:55,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 01:50:55,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:55,187 INFO L225 Difference]: With dead ends: 542 [2021-11-06 01:50:55,187 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 01:50:55,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:55,190 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.12ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.95ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:55,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.12ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 39.95ms Time] [2021-11-06 01:50:55,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 01:50:55,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 01:50:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 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 01:50:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 01:50:55,206 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 01:50:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:55,207 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 01:50:55,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 01:50:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 01:50:55,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:55,211 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:55,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 01:50:55,413 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 01:50:55,413 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:55,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 01:50:55,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:55,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005716005] [2021-11-06 01:50:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:55,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:55,430 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:55,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752694436] [2021-11-06 01:50:55,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:55,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:55,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:55,432 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 01:50:55,433 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 01:50:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:55,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:50:55,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:55,681 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 01:50:55,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 01:50:55,703 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 01:50:55,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:55,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:55,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005716005] [2021-11-06 01:50:55,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:55,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752694436] [2021-11-06 01:50:55,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752694436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:55,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:55,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:50:55,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948316669] [2021-11-06 01:50:55,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:55,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:50:55,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:55,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:50:55,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:50:55,707 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 01:50:56,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:56,632 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 01:50:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:50:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-06 01:50:56,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:56,634 INFO L225 Difference]: With dead ends: 421 [2021-11-06 01:50:56,634 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 01:50:56,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:50:56,635 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 867.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.60ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 906.79ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:56,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.60ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 906.79ms Time] [2021-11-06 01:50:56,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 01:50:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 01:50:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 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 01:50:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 01:50:56,641 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 01:50:56,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:56,642 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 01:50:56,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 01:50:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 01:50:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:50:56,643 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:56,643 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:56,663 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 01:50:56,860 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 01:50:56,861 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:56,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:56,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 01:50:56,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:56,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524555021] [2021-11-06 01:50:56,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:56,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:56,871 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:56,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [324568410] [2021-11-06 01:50:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:56,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:56,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:56,873 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 01:50:56,874 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 01:50:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:57,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:50:57,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:57,159 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 01:50:57,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:57,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:57,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524555021] [2021-11-06 01:50:57,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:57,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324568410] [2021-11-06 01:50:57,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324568410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:57,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:57,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:50:57,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433850143] [2021-11-06 01:50:57,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:57,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:50:57,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:57,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:50:57,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:57,162 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:50:57,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:57,203 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 01:50:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:50:57,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:50:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:57,205 INFO L225 Difference]: With dead ends: 525 [2021-11-06 01:50:57,205 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 01:50:57,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:50:57,206 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.05ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:57,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 34.05ms Time] [2021-11-06 01:50:57,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 01:50:57,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 01:50:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 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 01:50:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 01:50:57,212 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 01:50:57,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:57,212 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 01:50:57,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:50:57,213 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 01:50:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:50:57,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:57,214 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:57,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-06 01:50:57,427 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 01:50:57,428 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:57,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 01:50:57,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:57,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377774698] [2021-11-06 01:50:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:57,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:57,439 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:57,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868090472] [2021-11-06 01:50:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:57,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:57,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:57,447 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 01:50:57,448 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 01:50:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:50:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:57,696 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 01:50:57,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:57,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:57,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377774698] [2021-11-06 01:50:57,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:57,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868090472] [2021-11-06 01:50:57,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868090472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:57,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:57,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:50:57,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292140563] [2021-11-06 01:50:57,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:57,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:50:57,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:57,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:50:57,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:50:57,700 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:50:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:57,749 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 01:50:57,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:50:57,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:50:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:57,751 INFO L225 Difference]: With dead ends: 540 [2021-11-06 01:50:57,751 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 01:50:57,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:50:57,752 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.00ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.76ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:57,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.00ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.76ms Time] [2021-11-06 01:50:57,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 01:50:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 01:50:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 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 01:50:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 01:50:57,760 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 01:50:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:57,761 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 01:50:57,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:50:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 01:50:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:50:57,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:57,762 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:57,782 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 01:50:57,975 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 01:50:57,975 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:57,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:57,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 01:50:57,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:57,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084540459] [2021-11-06 01:50:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:57,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:57,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:57,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107838647] [2021-11-06 01:50:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:57,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:57,997 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 01:50:58,015 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 01:50:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:58,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:50:58,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:58,320 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 01:50:58,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:50:58,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:50:58,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084540459] [2021-11-06 01:50:58,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:50:58,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107838647] [2021-11-06 01:50:58,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107838647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:50:58,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:50:58,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:50:58,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608571166] [2021-11-06 01:50:58,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:50:58,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:50:58,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:50:58,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:50:58,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:50:58,323 INFO L87 Difference]: Start difference. First operand 326 states and 393 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 01:50:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:50:58,531 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 01:50:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 01:50:58,532 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 01:50:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:50:58,533 INFO L225 Difference]: With dead ends: 740 [2021-11-06 01:50:58,533 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 01:50:58,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:50:58,534 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.59ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 188.70ms IncrementalHoareTripleChecker+Time [2021-11-06 01:50:58,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.59ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 188.70ms Time] [2021-11-06 01:50:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 01:50:58,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 01:50:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 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 01:50:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 01:50:58,542 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 01:50:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:50:58,543 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 01:50:58,543 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 01:50:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 01:50:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 01:50:58,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:50:58,543 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:50:58,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 01:50:58,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:58,760 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:50:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:50:58,760 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 01:50:58,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:50:58,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484737152] [2021-11-06 01:50:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:58,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:50:58,769 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:50:58,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422300163] [2021-11-06 01:50:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:50:58,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:50:58,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:50:58,776 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:50:58,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 01:50:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:50:58,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 01:50:58,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:50:58,930 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 01:50:58,933 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 01:50:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:58,967 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 01:50:59,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,020 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 01:50:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,695 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 01:50:59,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,703 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 01:50:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 01:50:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,809 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 52 treesize of output 45 [2021-11-06 01:50:59,817 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 01:50:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:50:59,830 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 01:50:59,831 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 01:50:59,838 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 01:51:01,260 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 01:51:01,260 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 2831 treesize of output 2280 [2021-11-06 01:51:01,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:01,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:04,967 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 01:51:04,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 01:51:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:05,754 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 01:51:05,755 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 2027 treesize of output 1769 [2021-11-06 01:51:06,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:06,482 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 01:51:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:06,606 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 01:51:07,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:07,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:51:07,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 01:51:07,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:51:07,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:51:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:45,211 WARN L230 SmtUtils]: Spent 4.63m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 01:55:45,212 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 01:55:45,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 01:55:48,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 01:55:49,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,697 INFO L244 Elim1Store]: Index analysis took 272 ms [2021-11-06 01:55:49,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:49,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:55:49,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 01:55:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:55,732 INFO L244 Elim1Store]: Index analysis took 4246 ms [2021-11-06 01:55:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:56,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:58,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:58,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:55:59,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:55:59,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 01:55:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:00,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:00,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:00,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:01,201 INFO L244 Elim1Store]: Index analysis took 1668 ms [2021-11-06 01:56:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:02,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:02,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:02,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 01:56:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:03,227 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:03,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 01:56:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:25,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:25,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:25,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:25,318 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 01:56:25,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 01:56:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:46,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:47,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:47,128 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 01:56:47,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 01:56:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,429 INFO L244 Elim1Store]: Index analysis took 523 ms [2021-11-06 01:56:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:54,952 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 01:56:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:55,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:55,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,179 INFO L244 Elim1Store]: Index analysis took 1058 ms [2021-11-06 01:56:56,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:56,819 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:56,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 01:56:57,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:57,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:57,712 INFO L244 Elim1Store]: Index analysis took 730 ms [2021-11-06 01:56:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:57,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,497 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:58,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 01:56:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,178 INFO L244 Elim1Store]: Index analysis took 555 ms [2021-11-06 01:56:59,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:56:59,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:56:59,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 01:57:01,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,063 INFO L244 Elim1Store]: Index analysis took 284 ms [2021-11-06 01:57:02,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:57:02,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 01:57:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,760 INFO L244 Elim1Store]: Index analysis took 320 ms [2021-11-06 01:57:02,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,043 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:57:03,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 01:57:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,763 INFO L244 Elim1Store]: Index analysis took 251 ms [2021-11-06 01:57:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,093 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:57:04,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 01:57:04,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,565 INFO L244 Elim1Store]: Index analysis took 334 ms [2021-11-06 01:57:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:57:04,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 01:57:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:04,808 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:57:04,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 01:57:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:04,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,004 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:57:05,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 01:57:05,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,215 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:57:05,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 01:57:05,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,363 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:57:05,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 01:57:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,450 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 01:57:05,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 01:57:05,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,520 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:57:05,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 01:57:05,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,653 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 01:57:05,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 01:57:05,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,723 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:57:05,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 01:57:05,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:05,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:05,793 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:57:05,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 01:57:06,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:06,792 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 01:57:06,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 01:57:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:07,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,430 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 01:57:07,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 01:57:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,606 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 01:57:07,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 01:57:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:07,633 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 01:57:07,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 01:57:08,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:08,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,116 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 01:57:08,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 01:57:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:08,250 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 01:57:08,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 01:57:08,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:57:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:57:08,276 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 01:57:08,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 01:57:08,888 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 01:57:08,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 01:57:08,916 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 01:57:08,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 01:57:08,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:57:08,926 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 01:57:09,014 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 01:57:09,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 01:57:25,023 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 01:57:25,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 01:57:49,939 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 01:57:49,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 01:57:53,586 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 01:57:53,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 01:57:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:57:53,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 01:57:55,859 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-06 01:57:57,970 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-06 01:58:00,064 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-06 01:58:02,338 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15