./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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_OAT_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 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 22:07:41,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 22:07:41,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 22:07:41,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 22:07:41,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 22:07:41,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 22:07:41,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 22:07:41,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 22:07:41,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 22:07:41,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 22:07:41,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 22:07:41,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 22:07:41,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 22:07:41,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 22:07:41,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 22:07:41,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 22:07:41,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 22:07:41,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 22:07:41,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 22:07:41,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 22:07:41,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 22:07:41,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 22:07:41,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 22:07:41,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 22:07:41,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 22:07:41,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 22:07:41,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 22:07:41,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 22:07:41,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 22:07:41,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 22:07:41,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 22:07:41,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 22:07:41,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 22:07:41,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 22:07:41,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 22:07:41,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 22:07:41,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 22:07:41,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 22:07:41,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 22:07:41,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 22:07:41,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 22:07:41,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 22:07:41,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 22:07:41,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 22:07:41,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 22:07:41,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 22:07:41,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 22:07:41,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 22:07:41,191 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 22:07:41,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 22:07:41,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 22:07:41,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 22:07:41,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 22:07:41,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 22:07:41,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 22:07:41,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 22:07:41,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 22:07:41,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 22:07:41,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:07:41,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 22:07:41,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 22:07:41,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 22:07:41,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 22:07:41,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2021-11-07 22:07:41,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 22:07:41,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 22:07:41,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 22:07:41,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 22:07:41,420 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 22:07:41,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-07 22:07:41,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2753e38a5/25bba25979ce4c0191e05db10d4b8092/FLAGf12b79668 [2021-11-07 22:07:41,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 22:07:41,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-07 22:07:41,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2753e38a5/25bba25979ce4c0191e05db10d4b8092/FLAGf12b79668 [2021-11-07 22:07:42,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2753e38a5/25bba25979ce4c0191e05db10d4b8092 [2021-11-07 22:07:42,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 22:07:42,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 22:07:42,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 22:07:42,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 22:07:42,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 22:07:42,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:42,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fa5421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42, skipping insertion in model container [2021-11-07 22:07:42,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:42,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 22:07:42,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 22:07:42,660 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_OAT_test3-2.i[33021,33034] [2021-11-07 22:07:42,768 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_OAT_test3-2.i[44590,44603] [2021-11-07 22:07:42,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:07:42,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 22:07:42,815 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_OAT_test3-2.i[33021,33034] [2021-11-07 22:07:42,881 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_OAT_test3-2.i[44590,44603] [2021-11-07 22:07:42,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:07:42,921 INFO L208 MainTranslator]: Completed translation [2021-11-07 22:07:42,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42 WrapperNode [2021-11-07 22:07:42,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 22:07:42,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 22:07:42,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 22:07:42,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 22:07:42,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:42,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:42,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 22:07:42,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 22:07:42,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 22:07:42,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 22:07:43,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 22:07:43,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 22:07:43,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 22:07:43,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 22:07:43,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (1/1) ... [2021-11-07 22:07:43,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:07:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:43,125 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) [2021-11-07 22:07:43,141 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 [2021-11-07 22:07:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 22:07:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 22:07:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 22:07:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 22:07:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 22:07:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 22:07:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 22:07:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 22:07:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 22:07:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 22:07:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 22:07:44,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 22:07:44,008 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 22:07:44,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:44 BoogieIcfgContainer [2021-11-07 22:07:44,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 22:07:44,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 22:07:44,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 22:07:44,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 22:07:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:07:42" (1/3) ... [2021-11-07 22:07:44,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49dfb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:07:44, skipping insertion in model container [2021-11-07 22:07:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:07:42" (2/3) ... [2021-11-07 22:07:44,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49dfb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:07:44, skipping insertion in model container [2021-11-07 22:07:44,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:07:44" (3/3) ... [2021-11-07 22:07:44,017 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2021-11-07 22:07:44,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 22:07:44,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 22:07:44,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 22:07:44,069 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 [2021-11-07 22:07:44,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 22:07:44,099 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) [2021-11-07 22:07:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 22:07:44,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:44,104 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:07:44,105 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)] === [2021-11-07 22:07:44,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:44,109 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 22:07:44,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:44,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042854] [2021-11-07 22:07:44,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:44,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:44,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:44,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042854] [2021-11-07 22:07:44,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:44,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:44,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 22:07:44,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234609471] [2021-11-07 22:07:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:44,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 22:07:44,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:44,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 22:07:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:07:44,255 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) [2021-11-07 22:07:44,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:44,287 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 22:07:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 22:07:44,289 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 [2021-11-07 22:07:44,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:44,297 INFO L225 Difference]: With dead ends: 460 [2021-11-07 22:07:44,297 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 22:07:44,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:07:44,303 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, 4.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:44,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 4.31ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 22:07:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 22:07:44,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 22:07:44,338 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) [2021-11-07 22:07:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 22:07:44,340 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 22:07:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:44,341 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 22:07:44,341 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) [2021-11-07 22:07:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 22:07:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 22:07:44,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:44,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:07:44,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 22:07:44,342 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)] === [2021-11-07 22:07:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:44,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 22:07:44,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:44,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072194995] [2021-11-07 22:07:44,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:44,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:44,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:44,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072194995] [2021-11-07 22:07:44,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072194995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:44,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:44,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:07:44,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778006390] [2021-11-07 22:07:44,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:44,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:07:44,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:07:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:07:44,388 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) [2021-11-07 22:07:44,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:44,688 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 22:07:44,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:07:44,688 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 [2021-11-07 22:07:44,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:44,690 INFO L225 Difference]: With dead ends: 445 [2021-11-07 22:07:44,690 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 22:07:44,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.09ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:07:44,692 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 207.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.39ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 266.01ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:44,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 5.39ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 266.01ms Time] [2021-11-07 22:07:44,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 22:07:44,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 22:07:44,702 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) [2021-11-07 22:07:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 22:07:44,703 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 22:07:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:44,703 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 22:07:44,703 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) [2021-11-07 22:07:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 22:07:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:07:44,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:44,705 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] [2021-11-07 22:07:44,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 22:07:44,706 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)] === [2021-11-07 22:07:44,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:44,706 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 22:07:44,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:44,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158895300] [2021-11-07 22:07:44,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:44,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:44,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:44,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067836829] [2021-11-07 22:07:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:44,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:44,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:44,725 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) [2021-11-07 22:07:44,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 22:07:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:44,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:07:44,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:44,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:44,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:44,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158895300] [2021-11-07 22:07:45,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:45,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067836829] [2021-11-07 22:07:45,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067836829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:45,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:45,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:07:45,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822704980] [2021-11-07 22:07:45,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:45,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:07:45,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:45,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:07:45,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:45,005 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) [2021-11-07 22:07:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:45,052 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 22:07:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:07:45,052 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 [2021-11-07 22:07:45,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:45,054 INFO L225 Difference]: With dead ends: 417 [2021-11-07 22:07:45,054 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 22:07:45,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:45,058 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.91ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.37ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:45,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.91ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.37ms Time] [2021-11-07 22:07:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 22:07:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 22:07:45,069 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) [2021-11-07 22:07:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 22:07:45,070 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 22:07:45,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:45,070 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 22:07:45,071 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) [2021-11-07 22:07:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 22:07:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:07:45,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:45,073 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] [2021-11-07 22:07:45,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 22:07:45,292 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 [2021-11-07 22:07:45,292 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)] === [2021-11-07 22:07:45,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:45,293 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 22:07:45,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:45,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883739294] [2021-11-07 22:07:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:45,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:45,308 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:45,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063379100] [2021-11-07 22:07:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:45,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:45,310 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) [2021-11-07 22:07:45,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 22:07:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:45,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:07:45,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:45,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:45,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:45,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883739294] [2021-11-07 22:07:45,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:45,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063379100] [2021-11-07 22:07:45,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063379100] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:45,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:45,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:07:45,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864505005] [2021-11-07 22:07:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:45,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:07:45,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:07:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:07:45,573 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) [2021-11-07 22:07:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:45,622 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 22:07:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:07:45,623 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 [2021-11-07 22:07:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:45,624 INFO L225 Difference]: With dead ends: 428 [2021-11-07 22:07:45,624 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 22:07:45,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:07:45,625 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.61ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:45,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 38.61ms Time] [2021-11-07 22:07:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 22:07:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 22:07:45,633 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) [2021-11-07 22:07:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 22:07:45,633 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 22:07:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:45,634 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 22:07:45,634 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) [2021-11-07 22:07:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 22:07:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:07:45,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:45,635 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] [2021-11-07 22:07:45,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 22:07:45,853 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 [2021-11-07 22:07:45,854 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)] === [2021-11-07 22:07:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 22:07:45,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:45,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354342442] [2021-11-07 22:07:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:45,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:45,870 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:45,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130420394] [2021-11-07 22:07:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:45,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:45,875 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) [2021-11-07 22:07:45,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 22:07:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:46,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:07:46,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:46,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:46,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:46,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354342442] [2021-11-07 22:07:46,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:46,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130420394] [2021-11-07 22:07:46,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130420394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:46,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:46,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:07:46,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347886271] [2021-11-07 22:07:46,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:46,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:07:46,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:07:46,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:46,254 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) [2021-11-07 22:07:46,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:46,309 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 22:07:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:07:46,309 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 [2021-11-07 22:07:46,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:46,311 INFO L225 Difference]: With dead ends: 542 [2021-11-07 22:07:46,311 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 22:07:46,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:46,312 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.67ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:46,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 45.67ms Time] [2021-11-07 22:07:46,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 22:07:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 22:07:46,319 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) [2021-11-07 22:07:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 22:07:46,320 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 22:07:46,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:46,320 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 22:07:46,321 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) [2021-11-07 22:07:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 22:07:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 22:07:46,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:46,322 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] [2021-11-07 22:07:46,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 22:07:46,540 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 [2021-11-07 22:07:46,541 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)] === [2021-11-07 22:07:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:46,541 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 22:07:46,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:46,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268485461] [2021-11-07 22:07:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:46,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:46,566 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:46,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980061042] [2021-11-07 22:07:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:46,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:46,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:46,568 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) [2021-11-07 22:07:46,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 22:07:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:46,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:07:46,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:46,796 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 [2021-11-07 22:07:46,806 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 [2021-11-07 22:07:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:07:46,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:46,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:46,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268485461] [2021-11-07 22:07:46,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:46,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980061042] [2021-11-07 22:07:46,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980061042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:46,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:46,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:07:46,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007158778] [2021-11-07 22:07:46,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:46,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:07:46,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:46,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:07:46,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:07:46,819 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) [2021-11-07 22:07:47,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:47,773 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 22:07:47,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:07:47,774 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 [2021-11-07 22:07:47,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:47,776 INFO L225 Difference]: With dead ends: 421 [2021-11-07 22:07:47,776 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 22:07:47,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:07:47,776 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 891.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 934.76ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:47,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 934.76ms Time] [2021-11-07 22:07:47,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 22:07:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 22:07:47,783 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) [2021-11-07 22:07:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 22:07:47,784 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 22:07:47,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:47,784 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 22:07:47,785 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) [2021-11-07 22:07:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 22:07:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:07:47,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:47,786 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] [2021-11-07 22:07:47,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 22:07:47,995 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 [2021-11-07 22:07:47,995 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)] === [2021-11-07 22:07:47,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:47,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 22:07:47,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:47,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159299762] [2021-11-07 22:07:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:47,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:48,023 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:48,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385074419] [2021-11-07 22:07:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:48,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:48,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:48,025 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) [2021-11-07 22:07:48,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 22:07:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:48,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:07:48,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:07:48,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:48,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:48,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159299762] [2021-11-07 22:07:48,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:48,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385074419] [2021-11-07 22:07:48,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385074419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:48,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:48,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:07:48,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43583220] [2021-11-07 22:07:48,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:48,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:07:48,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:48,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:07:48,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:48,318 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) [2021-11-07 22:07:48,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:48,375 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 22:07:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:07:48,375 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 [2021-11-07 22:07:48,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:48,377 INFO L225 Difference]: With dead ends: 525 [2021-11-07 22:07:48,377 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 22:07:48,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:07:48,379 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.81ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:48,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 48.81ms Time] [2021-11-07 22:07:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 22:07:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 22:07:48,390 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) [2021-11-07 22:07:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 22:07:48,391 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 22:07:48,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:48,391 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 22:07:48,391 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) [2021-11-07 22:07:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 22:07:48,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:07:48,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:48,393 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] [2021-11-07 22:07:48,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 22:07:48,607 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 [2021-11-07 22:07:48,607 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)] === [2021-11-07 22:07:48,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 22:07:48,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:48,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069368199] [2021-11-07 22:07:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:48,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:48,623 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:48,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270834408] [2021-11-07 22:07:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:48,635 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:48,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:48,636 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) [2021-11-07 22:07:48,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 22:07:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:48,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:07:48,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:07:48,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:48,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:48,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069368199] [2021-11-07 22:07:48,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:48,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270834408] [2021-11-07 22:07:48,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270834408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:48,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:48,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:07:48,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699876471] [2021-11-07 22:07:48,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:48,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:07:48,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:48,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:07:48,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:07:48,963 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) [2021-11-07 22:07:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:49,011 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 22:07:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:07:49,012 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 [2021-11-07 22:07:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:49,013 INFO L225 Difference]: With dead ends: 540 [2021-11-07 22:07:49,013 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 22:07:49,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:07:49,014 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.16ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:49,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.16ms Time] [2021-11-07 22:07:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 22:07:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 22:07:49,020 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) [2021-11-07 22:07:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 22:07:49,021 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 22:07:49,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:49,021 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 22:07:49,021 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) [2021-11-07 22:07:49,022 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 22:07:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:07:49,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:49,022 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] [2021-11-07 22:07:49,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 22:07:49,238 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 [2021-11-07 22:07:49,239 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)] === [2021-11-07 22:07:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 22:07:49,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:49,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983680732] [2021-11-07 22:07:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:49,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:49,261 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:49,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766511902] [2021-11-07 22:07:49,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:49,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:49,263 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) [2021-11-07 22:07:49,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 22:07:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:49,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:07:49,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:07:49,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:07:49,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:07:49,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983680732] [2021-11-07 22:07:49,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:07:49,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766511902] [2021-11-07 22:07:49,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766511902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:07:49,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:07:49,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:07:49,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436582829] [2021-11-07 22:07:49,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:07:49,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:07:49,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:07:49,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:07:49,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:07:49,616 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) [2021-11-07 22:07:49,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:07:49,846 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 22:07:49,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 22:07:49,847 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 [2021-11-07 22:07:49,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:07:49,849 INFO L225 Difference]: With dead ends: 740 [2021-11-07 22:07:49,849 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 22:07:49,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.19ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:07:49,850 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 170.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.97ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206.09ms IncrementalHoareTripleChecker+Time [2021-11-07 22:07:49,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.97ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 206.09ms Time] [2021-11-07 22:07:49,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 22:07:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 22:07:49,858 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) [2021-11-07 22:07:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 22:07:49,860 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 22:07:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:07:49,860 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 22:07:49,860 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) [2021-11-07 22:07:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 22:07:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 22:07:49,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:07:49,861 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] [2021-11-07 22:07:49,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 22:07:50,086 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 [2021-11-07 22:07:50,086 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)] === [2021-11-07 22:07:50,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:07:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 22:07:50,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:07:50,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198428395] [2021-11-07 22:07:50,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:50,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:07:50,098 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:07:50,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947903531] [2021-11-07 22:07:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:07:50,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:07:50,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:07:50,107 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) [2021-11-07 22:07:50,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 22:07:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:07:50,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 22:07:50,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:07:50,291 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 [2021-11-07 22:07:50,296 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 [2021-11-07 22:07:50,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:50,329 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 [2021-11-07 22:07:50,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:50,378 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 [2021-11-07 22:07:51,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,129 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 [2021-11-07 22:07:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,139 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 [2021-11-07 22:07:51,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,221 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 [2021-11-07 22:07:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,260 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 [2021-11-07 22:07:51,269 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 [2021-11-07 22:07:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:51,282 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 22:07:51,283 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 [2021-11-07 22:07:51,291 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 [2021-11-07 22:07:52,925 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 22:07:52,925 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 [2021-11-07 22:07:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:52,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:57,361 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 22:07:57,362 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 [2021-11-07 22:07:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:58,249 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 22:07:58,250 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 [2021-11-07 22:07:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:59,038 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 [2021-11-07 22:07:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:59,208 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 [2021-11-07 22:07:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:07:59,672 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 [2021-11-07 22:07:59,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:07:59,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:07:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:39,422 WARN L227 SmtUtils]: Spent 6.66m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 22:14:39,424 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 22:14:39,426 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 [2021-11-07 22:14:42,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 22:14:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,139 INFO L244 Elim1Store]: Index analysis took 364 ms [2021-11-07 22:14:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:44,357 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:14:44,357 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 [2021-11-07 22:14:46,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:47,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:50,512 INFO L244 Elim1Store]: Index analysis took 4554 ms [2021-11-07 22:14:51,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:51,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:53,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:54,971 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:14:54,972 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 [2021-11-07 22:14:55,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:56,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:57,331 INFO L244 Elim1Store]: Index analysis took 2013 ms [2021-11-07 22:14:57,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:58,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,417 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:14:59,417 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 [2021-11-07 22:14:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:14:59,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:14:59,734 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 [2021-11-07 22:15:25,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:25,309 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-07 22:15:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:25,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:25,464 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 22:15:25,464 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 [2021-11-07 22:15:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:55,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:15:55,328 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 22:15:55,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-11-07 22:16:04,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:04,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,039 INFO L244 Elim1Store]: Index analysis took 679 ms [2021-11-07 22:16:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:05,716 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:05,716 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 [2021-11-07 22:16:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:06,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,282 INFO L244 Elim1Store]: Index analysis took 1328 ms [2021-11-07 22:16:07,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:08,162 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:08,162 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 [2021-11-07 22:16:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:08,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,376 INFO L244 Elim1Store]: Index analysis took 995 ms [2021-11-07 22:16:09,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,417 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:10,418 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 [2021-11-07 22:16:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:10,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,303 INFO L244 Elim1Store]: Index analysis took 726 ms [2021-11-07 22:16:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:11,700 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:11,700 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 [2021-11-07 22:16:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,225 INFO L244 Elim1Store]: Index analysis took 449 ms [2021-11-07 22:16:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:15,629 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:15,629 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 [2021-11-07 22:16:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,413 INFO L244 Elim1Store]: Index analysis took 576 ms [2021-11-07 22:16:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:16,841 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:16,841 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 [2021-11-07 22:16:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:17,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:17,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:17,889 INFO L244 Elim1Store]: Index analysis took 373 ms [2021-11-07 22:16:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:18,429 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 [2021-11-07 22:16:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,106 INFO L244 Elim1Store]: Index analysis took 528 ms [2021-11-07 22:16:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,288 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:19,288 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 [2021-11-07 22:16:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:19,507 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 22:16:19,508 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 [2021-11-07 22:16:19,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:19,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:19,743 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 22:16:19,744 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 [2021-11-07 22:16:19,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,028 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 22:16:20,034 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 [2021-11-07 22:16:20,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,214 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 22:16:20,214 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 [2021-11-07 22:16:20,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,302 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 22:16:20,303 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 [2021-11-07 22:16:20,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,375 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 22:16:20,376 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 [2021-11-07 22:16:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,570 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 22:16:20,571 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 [2021-11-07 22:16:20,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,642 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 22:16:20,643 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 [2021-11-07 22:16:20,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:20,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:20,704 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 22:16:20,704 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 [2021-11-07 22:16:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,259 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 22:16:22,260 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 [2021-11-07 22:16:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:23,212 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 22:16:23,213 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 [2021-11-07 22:16:23,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:23,436 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 22:16:23,437 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 [2021-11-07 22:16:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:23,470 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 22:16:23,471 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 [2021-11-07 22:16:24,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:24,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,055 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 22:16:24,055 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 [2021-11-07 22:16:24,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:24,210 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 22:16:24,210 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 [2021-11-07 22:16:24,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:16:24,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:16:24,241 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 22:16:24,241 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 [2021-11-07 22:16:24,855 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 22:16:24,856 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 [2021-11-07 22:16:24,873 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 22:16:24,873 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 [2021-11-07 22:16:24,900 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:16:24,901 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 [2021-11-07 22:16:24,980 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 22:16:24,981 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 [2021-11-07 22:16:51,540 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 22:16:51,541 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 [2021-11-07 22:17:32,721 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 22:17:32,721 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 [2021-11-07 22:17:38,830 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 22:17:38,830 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 [2021-11-07 22:17:38,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:17:38,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 22:17:41,110 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 [2021-11-07 22:17:43,256 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 [2021-11-07 22:17:45,367 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 [2021-11-07 22:17:47,776 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