./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.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 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:28:48,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:28:48,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:28:48,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:28:48,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:28:48,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:28:48,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:28:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:28:48,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:28:48,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:28:48,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:28:48,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:28:48,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:28:48,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:28:48,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:28:48,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:28:48,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:28:48,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:28:48,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:28:48,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:28:48,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:28:48,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:28:48,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:28:48,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:28:48,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:28:48,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:28:48,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:28:48,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:28:48,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:28:48,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:28:48,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:28:48,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:28:48,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:28:48,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:28:48,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:28:48,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:28:48,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:28:48,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:28:48,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:28:48,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:28:48,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:28:48,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:28:48,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:28:48,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:28:48,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:28:48,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:28:48,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:28:48,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:28:48,268 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:28:48,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:28:48,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:28:48,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:28:48,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:28:48,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:28:48,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:28:48,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:28:48,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:28:48,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:28:48,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:28:48,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:28:48,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:28:48,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:28:48,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:28:48,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:28:48,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:28:48,273 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:28:48,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:28:48,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:28:48,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:28:48,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2021-11-06 23:28:48,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:28:48,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:28:48,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:28:48,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:28:48,512 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:28:48,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-06 23:28:48,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fe18c1f/df4f1298651141108cc291ae5febe74a/FLAGf066cea4c [2021-11-06 23:28:49,143 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:28:49,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2021-11-06 23:28:49,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fe18c1f/df4f1298651141108cc291ae5febe74a/FLAGf066cea4c [2021-11-06 23:28:49,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fe18c1f/df4f1298651141108cc291ae5febe74a [2021-11-06 23:28:49,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:28:49,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:28:49,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:28:49,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:28:49,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:28:49,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f44d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:49, skipping insertion in model container [2021-11-06 23:28:49,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:28:49" (1/1) ... [2021-11-06 23:28:49,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:28:49,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:28:50,025 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_JEN_test9-2.i[33021,33034] [2021-11-06 23:28:50,240 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_JEN_test9-2.i[84583,84596] [2021-11-06 23:28:50,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:28:50,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:28:50,292 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_JEN_test9-2.i[33021,33034] [2021-11-06 23:28:50,374 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_JEN_test9-2.i[84583,84596] [2021-11-06 23:28:50,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:28:50,420 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:28:50,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50 WrapperNode [2021-11-06 23:28:50,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:28:50,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:28:50,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:28:50,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:28:50,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:28:50,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:28:50,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:28:50,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:28:50,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:28:50,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:28:50,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:28:50,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:28:50,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (1/1) ... [2021-11-06 23:28:50,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:28:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:50,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 23:28:50,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 23:28:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:28:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:28:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:28:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:28:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:28:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:28:53,074 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:28:53,074 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-06 23:28:53,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:53 BoogieIcfgContainer [2021-11-06 23:28:53,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:28:53,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:28:53,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:28:53,084 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:28:53,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:28:49" (1/3) ... [2021-11-06 23:28:53,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c0b8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:53, skipping insertion in model container [2021-11-06 23:28:53,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:28:50" (2/3) ... [2021-11-06 23:28:53,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c0b8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:28:53, skipping insertion in model container [2021-11-06 23:28:53,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:28:53" (3/3) ... [2021-11-06 23:28:53,087 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-2.i [2021-11-06 23:28:53,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:28:53,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:28:53,141 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:28:53,145 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 23:28:53,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:28:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:28:53,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:53,199 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:53,200 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:53,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:53,203 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:28:53,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:53,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091308045] [2021-11-06 23:28:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:53,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:53,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091308045] [2021-11-06 23:28:53,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091308045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:53,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:53,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:28:53,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696095293] [2021-11-06 23:28:53,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:28:53,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:53,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:28:53,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:28:53,349 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:53,408 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-06 23:28:53,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:28:53,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 23:28:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:53,425 INFO L225 Difference]: With dead ends: 4370 [2021-11-06 23:28:53,425 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:28:53,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:28:53,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:28:53,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:28:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:28:53,502 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:28:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:53,502 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:28:53,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:28:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:28:53,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:53,504 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:53,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:28:53,504 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:53,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:53,505 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:28:53,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:53,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818369358] [2021-11-06 23:28:53,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:53,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:53,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818369358] [2021-11-06 23:28:53,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818369358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:53,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:53,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:53,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787767256] [2021-11-06 23:28:53,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:53,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:53,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:53,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:53,557 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:53,885 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:28:53,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:53,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 23:28:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:53,898 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:28:53,898 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:28:53,902 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:28:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:28:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:28:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:28:53,943 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:28:53,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:53,943 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:28:53,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:53,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:28:53,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:53,946 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:53,946 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:53,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:28:53,946 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:28:53,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:53,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900383812] [2021-11-06 23:28:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:53,964 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:53,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18702161] [2021-11-06 23:28:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:53,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:53,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:53,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:53,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 23:28:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:54,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:54,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:54,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:54,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900383812] [2021-11-06 23:28:54,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:54,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18702161] [2021-11-06 23:28:54,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18702161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:54,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:54,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:54,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114468902] [2021-11-06 23:28:54,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:54,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:54,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:54,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:54,373 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:54,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:54,448 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:28:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:54,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:28:54,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:54,455 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:28:54,455 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:28:54,458 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:54,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:28:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:28:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:28:54,490 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:28:54,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:54,491 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:28:54,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:28:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:54,493 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:54,493 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:54,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 23:28:54,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:54,713 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:54,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:54,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:28:54,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:54,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834078481] [2021-11-06 23:28:54,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:54,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:54,730 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:54,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954458834] [2021-11-06 23:28:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:54,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:54,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:54,732 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:54,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 23:28:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:54,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:54,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:28:55,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:55,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834078481] [2021-11-06 23:28:55,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:55,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954458834] [2021-11-06 23:28:55,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954458834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:55,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:55,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:55,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522374252] [2021-11-06 23:28:55,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:55,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:55,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:55,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:55,087 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:55,182 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:28:55,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:55,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:28:55,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:55,188 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:28:55,188 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:28:55,191 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:55,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:28:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:28:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:28:55,253 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:28:55,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:55,254 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:28:55,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:28:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:55,255 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:55,255 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:55,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 23:28:55,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 23:28:55,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:55,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:28:55,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:55,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026010837] [2021-11-06 23:28:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:55,506 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:55,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447761773] [2021-11-06 23:28:55,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:55,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:55,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:55,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 23:28:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:55,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:55,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:55,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:55,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026010837] [2021-11-06 23:28:55,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:55,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447761773] [2021-11-06 23:28:55,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447761773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:55,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:55,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:55,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511107337] [2021-11-06 23:28:55,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:55,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:55,879 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:55,952 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:28:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:55,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:28:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:55,961 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:28:55,961 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:28:55,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:28:55,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:28:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:28:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:28:55,992 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:28:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:55,993 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:28:55,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:28:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:55,994 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:55,994 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:56,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 23:28:56,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:56,213 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:28:56,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:56,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314389912] [2021-11-06 23:28:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:56,225 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:56,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613184475] [2021-11-06 23:28:56,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:56,227 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:56,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 23:28:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:56,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:28:56,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:28:56,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:56,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314389912] [2021-11-06 23:28:56,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:56,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613184475] [2021-11-06 23:28:56,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613184475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:56,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:56,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:56,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906025384] [2021-11-06 23:28:56,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:56,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:56,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:56,573 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:56,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:56,659 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:28:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:56,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:28:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:56,666 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:28:56,666 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:28:56,669 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:28:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:28:56,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:28:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:28:56,698 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:28:56,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:56,699 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:28:56,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:28:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:28:56,700 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:56,700 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:56,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-06 23:28:56,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:56,934 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:56,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:56,935 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:28:56,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:56,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354776186] [2021-11-06 23:28:56,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:56,946 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:56,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873679649] [2021-11-06 23:28:56,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:56,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:56,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:56,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:56,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 23:28:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:57,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:28:57,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:57,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:57,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354776186] [2021-11-06 23:28:57,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:57,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873679649] [2021-11-06 23:28:57,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873679649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:57,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:57,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:28:57,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532044689] [2021-11-06 23:28:57,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:28:57,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:57,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:28:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:57,404 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:57,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:57,480 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:28:57,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:28:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:28:57,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:57,491 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:28:57,492 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:28:57,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:28:57,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:28:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:28:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:28:57,590 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:28:57,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:57,591 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:28:57,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:28:57,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:28:57,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:57,592 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:57,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 23:28:57,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:57,796 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:57,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:28:57,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:57,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804213434] [2021-11-06 23:28:57,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:57,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:57,811 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:57,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135925719] [2021-11-06 23:28:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:57,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:57,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:57,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:57,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 23:28:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:58,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:28:58,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:28:58,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:28:58,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804213434] [2021-11-06 23:28:58,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:28:58,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135925719] [2021-11-06 23:28:58,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135925719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:28:58,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:28:58,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:28:58,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357936045] [2021-11-06 23:28:58,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:28:58,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:28:58,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:28:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:28:58,266 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:28:58,488 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:28:58,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:28:58,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:28:58,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:28:58,494 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:28:58,494 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:28:58,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:28:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:28:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:28:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:28:58,529 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:28:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:28:58,529 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:28:58,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:28:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:28:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:28:58,530 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:28:58,531 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:28:58,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:28:58,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:58,750 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:28:58,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:28:58,750 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:28:58,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:28:58,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489552202] [2021-11-06 23:28:58,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:58,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:28:58,762 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:28:58,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012501629] [2021-11-06 23:28:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:28:58,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:28:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:28:58,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:28:58,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 23:28:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:28:59,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:28:59,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:28:59,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:28:59,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:28:59,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:28:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:28:59,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:29:00,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:29:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:29:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:29:00,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:29:00,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:29:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:29:00,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:29:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:00,282 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:29:00,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:29:02,368 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:29:02,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:29:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,843 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:29:03,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:29:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,068 WARN L207 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:29:10,069 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-06 23:29:10,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-06 23:29:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:29:10,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:29:10,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:10,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:10,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,068 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-06 23:29:11,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-06 23:29:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:11,696 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 64 treesize of output 28 [2021-11-06 23:29:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:12,590 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 23:29:12,591 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 206 treesize of output 133 [2021-11-06 23:29:12,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:18,983 WARN L207 SmtUtils]: Spent 6.34 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-06 23:29:18,984 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-06 23:29:18,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-06 23:29:19,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:29:19,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,586 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-06 23:29:19,597 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-06 23:29:19,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-06 23:29:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:20,009 INFO L244 Elim1Store]: Index analysis took 210 ms [2021-11-06 23:29:20,453 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-06 23:29:20,454 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 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-06 23:29:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:20,637 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-06 23:29:20,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-06 23:29:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:21,030 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:29:21,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-06 23:29:21,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:21,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:21,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:21,430 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:29:21,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-06 23:29:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:27,945 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-06 23:29:27,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-06 23:29:28,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,151 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:29:28,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-06 23:29:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:29:28,331 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 133 treesize of output 69 [2021-11-06 23:29:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,378 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:29:28,379 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 141 treesize of output 73 [2021-11-06 23:29:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,404 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:29:28,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-06 23:29:28,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,425 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:29:28,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-06 23:29:28,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,448 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:29:28,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-06 23:29:28,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,470 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:29:28,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-06 23:29:28,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,484 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:29:28,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-06 23:29:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-06 23:29:28,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:28,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:28,735 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:29:28,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-06 23:29:29,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,267 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-06 23:29:29,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-06 23:29:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:29,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,375 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-06 23:29:29,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-06 23:29:29,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:29:29,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:29:29,401 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-06 23:29:29,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-06 23:29:30,007 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-06 23:29:30,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-06 23:29:30,028 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-06 23:29:30,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-06 23:29:30,101 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:29:30,101 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 270 treesize of output 290 [2021-11-06 23:29:30,112 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:29:30,114 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 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-06 23:29:38,186 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:29:38,186 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 272 treesize of output 308 [2021-11-06 23:31:46,099 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:31:46,100 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 347 treesize of output 232 [2021-11-06 23:31:54,120 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:31:54,121 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 337 treesize of output 177 [2021-11-06 23:31:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:31:54,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:31:54,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489552202] [2021-11-06 23:31:54,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:31:54,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012501629] [2021-11-06 23:31:54,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012501629] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:31:54,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:31:54,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 23:31:54,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338957058] [2021-11-06 23:31:54,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 23:31:54,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:31:54,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 23:31:54,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 23:31:54,244 INFO L87 Difference]: Start difference. First operand 2211 states and 2747 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:32:08,045 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-06 23:32:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 23:32:08,046 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 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 110 [2021-11-06 23:32:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:32:08,052 INFO L225 Difference]: With dead ends: 4310 [2021-11-06 23:32:08,053 INFO L226 Difference]: Without dead ends: 2241 [2021-11-06 23:32:08,055 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 23:32:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-06 23:32:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-06 23:32:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 1732 states have (on average 1.6016166281755195) internal successors, (2774), 2232 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-06 23:32:08,088 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-06 23:32:08,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:32:08,088 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-06 23:32:08,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-06 23:32:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:32:08,090 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:32:08,091 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:32:08,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 23:32:08,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:32:08,310 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:32:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:32:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-06 23:32:08,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:32:08,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597613892] [2021-11-06 23:32:08,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:32:08,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:32:08,339 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:32:08,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207370431] [2021-11-06 23:32:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:32:08,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:32:08,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:32:08,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:32:08,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 23:32:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:32:09,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 23:32:09,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:32:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:32:09,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:32:09,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597613892] [2021-11-06 23:32:09,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:32:09,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207370431] [2021-11-06 23:32:09,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207370431] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:32:09,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:32:09,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:32:09,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63669429] [2021-11-06 23:32:09,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:32:09,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:32:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:32:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:32:09,341 INFO L87 Difference]: Start difference. First operand 2233 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:32:09,402 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-06 23:32:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:32:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2021-11-06 23:32:09,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:32:09,409 INFO L225 Difference]: With dead ends: 4391 [2021-11-06 23:32:09,410 INFO L226 Difference]: Without dead ends: 2212 [2021-11-06 23:32:09,413 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:32:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-06 23:32:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-06 23:32:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1711 states have (on average 1.6060783167738164) internal successors, (2748), 2211 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:09,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-06 23:32:09,443 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-06 23:32:09,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:32:09,443 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-06 23:32:09,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:32:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-06 23:32:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:32:09,444 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:32:09,444 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:32:09,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 23:32:09,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 23:32:09,659 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:32:09,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:32:09,660 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-06 23:32:09,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:32:09,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524250882] [2021-11-06 23:32:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:32:09,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:32:09,672 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:32:09,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837793289] [2021-11-06 23:32:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:32:09,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:32:09,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:32:09,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:32:09,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 23:32:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:32:10,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 23:32:10,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:32:10,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:32:10,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:32:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:10,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:32:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:10,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:32:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,371 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 61 treesize of output 55 [2021-11-06 23:32:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,397 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 37 treesize of output 42 [2021-11-06 23:32:12,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 23:32:12,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:32:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,632 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:32:12,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:32:12,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:32:12,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 23:32:12,894 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:32:12,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 23:32:12,919 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 23:32:12,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 23:32:12,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:13,016 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 23:32:13,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 23:32:17,110 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:32:17,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 23:32:17,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:25,631 WARN L207 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:32:25,632 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-06 23:32:25,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3462 treesize of output 2164 [2021-11-06 23:32:25,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:27,806 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:32:27,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2415 treesize of output 2138 [2021-11-06 23:32:48,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:48,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:32:49,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:32:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:32:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:07,552 WARN L207 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-06 23:33:07,553 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-06 23:33:07,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 18 new quantified variables, introduced 42 case distinctions, treesize of input 62531 treesize of output 35347 [2021-11-06 23:33:07,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:33:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:08,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:08,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:09,129 INFO L244 Elim1Store]: Index analysis took 728 ms [2021-11-06 23:33:10,605 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-06 23:33:10,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2039 treesize of output 1289 [2021-11-06 23:33:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:11,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:11,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:12,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:12,305 INFO L244 Elim1Store]: Index analysis took 859 ms [2021-11-06 23:33:13,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:33:13,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2017 treesize of output 1369 [2021-11-06 23:33:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:32,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:32,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:32,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:32,641 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-06 23:33:32,662 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-06 23:33:32,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 3854 treesize of output 2351 [2021-11-06 23:33:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:33,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:33,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:33,497 INFO L244 Elim1Store]: Index analysis took 194 ms [2021-11-06 23:33:33,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-06 23:33:48,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:48,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:48,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:48,848 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-11-06 23:33:49,205 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:33:49,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2004 treesize of output 1344 [2021-11-06 23:33:50,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:50,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:33:52,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,584 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 64 treesize of output 28 [2021-11-06 23:33:52,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:52,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,748 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:33:52,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2526 treesize of output 1466 [2021-11-06 23:33:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:52,980 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:33:52,980 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 215 treesize of output 109 [2021-11-06 23:33:53,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,134 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:33:53,135 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 239 treesize of output 109 [2021-11-06 23:33:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:33:53,217 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 419 treesize of output 229 [2021-11-06 23:33:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,682 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:33:53,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1319 treesize of output 889 [2021-11-06 23:33:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,721 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:33:53,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1117 treesize of output 699 [2021-11-06 23:33:53,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:53,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,758 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:33:53,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 891 treesize of output 569 [2021-11-06 23:33:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:53,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:53,794 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:33:53,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 677 treesize of output 571 [2021-11-06 23:33:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,249 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-06 23:33:54,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 224 [2021-11-06 23:33:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:54,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 68 [2021-11-06 23:33:54,372 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-06 23:33:54,373 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 155 [2021-11-06 23:33:55,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:55,554 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-06 23:33:55,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 369 treesize of output 278 [2021-11-06 23:33:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:33:55,734 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-06 23:33:55,735 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 320 treesize of output 316 [2021-11-06 23:33:55,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:33:55,772 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-06 23:33:55,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 217 [2021-11-06 23:33:56,772 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-06 23:33:56,772 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 264 treesize of output 476 [2021-11-06 23:33:56,786 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-06 23:33:56,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 357 [2021-11-06 23:33:56,799 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-06 23:33:56,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 286 [2021-11-06 23:33:56,892 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:33:56,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 23:34:16,043 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:34:16,043 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 272 treesize of output 308 [2021-11-06 23:35:50,066 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:35:50,066 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 399 treesize of output 252 [2021-11-06 23:35:55,074 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:35:55,074 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 389 treesize of output 197 [2021-11-06 23:35:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:35:55,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:35:55,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524250882] [2021-11-06 23:35:55,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:35:55,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837793289] [2021-11-06 23:35:55,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837793289] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:35:55,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:35:55,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-06 23:35:55,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276152269] [2021-11-06 23:35:55,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-06 23:35:55,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:35:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-06 23:35:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-06 23:35:55,232 INFO L87 Difference]: Start difference. First operand 2212 states and 2748 transitions. Second operand has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:14,049 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-06 23:36:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-06 23:36:14,050 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 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 111 [2021-11-06 23:36:14,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:14,068 INFO L225 Difference]: With dead ends: 4308 [2021-11-06 23:36:14,068 INFO L226 Difference]: Without dead ends: 2239 [2021-11-06 23:36:14,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-06 23:36:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-06 23:36:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-06 23:36:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1730 states have (on average 1.6017341040462427) internal successors, (2771), 2230 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:14,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-06 23:36:14,101 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-06 23:36:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:14,101 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-06 23:36:14,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-06 23:36:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:36:14,102 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:14,103 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:14,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:14,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:14,323 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:36:14,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:14,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-06 23:36:14,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:14,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080923195] [2021-11-06 23:36:14,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:14,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:14,348 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:14,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594409421] [2021-11-06 23:36:14,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:14,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:14,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:14,355 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:14,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 23:36:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:15,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 23:36:15,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:36:15,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:36:15,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080923195] [2021-11-06 23:36:15,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:36:15,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594409421] [2021-11-06 23:36:15,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594409421] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:36:15,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:36:15,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-06 23:36:15,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081448149] [2021-11-06 23:36:15,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:36:15,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:36:15,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:36:15,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:15,775 INFO L87 Difference]: Start difference. First operand 2231 states and 2771 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:15,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:36:15,872 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-06 23:36:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:36:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 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 111 [2021-11-06 23:36:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:36:15,880 INFO L225 Difference]: With dead ends: 6539 [2021-11-06 23:36:15,880 INFO L226 Difference]: Without dead ends: 4367 [2021-11-06 23:36:15,883 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:36:15,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-06 23:36:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-06 23:36:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1712 states have (on average 1.6057242990654206) internal successors, (2749), 2212 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-06 23:36:15,922 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-06 23:36:15,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:36:15,922 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-06 23:36:15,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:36:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-06 23:36:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 23:36:15,923 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:36:15,923 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:36:15,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-06 23:36:16,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-06 23:36:16,146 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:36:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:36:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-06 23:36:16,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:36:16,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8691673] [2021-11-06 23:36:16,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:16,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:36:16,166 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:36:16,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229136900] [2021-11-06 23:36:16,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:36:16,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:36:16,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:36:16,169 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:36:16,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 23:36:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:36:17,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-06 23:36:17,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:36:17,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:36:17,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:36:17,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:17,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:36:17,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:17,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:17,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:36:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:36:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:36:20,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:36:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:36:20,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:36:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:36:20,752 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 35 treesize of output 31 [2021-11-06 23:36:20,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:20,793 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-06 23:36:20,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-11-06 23:36:21,196 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:36:21,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 104 [2021-11-06 23:36:21,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:21,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:21,260 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-06 23:36:21,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 142 [2021-11-06 23:36:21,289 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-06 23:36:21,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 120 [2021-11-06 23:36:27,028 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2021-11-06 23:36:27,029 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:36:27,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2901 treesize of output 2371 [2021-11-06 23:36:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:27,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:27,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:37,149 WARN L207 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:36:37,150 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-06 23:36:37,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3456 treesize of output 2122 [2021-11-06 23:36:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:39,400 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:36:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2380 treesize of output 2121 [2021-11-06 23:36:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:39,920 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-06 23:36:39,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 18368 treesize of output 18368 [2021-11-06 23:36:52,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:52,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:52,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,196 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-06 23:36:52,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 894 treesize of output 408 [2021-11-06 23:36:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 418 [2021-11-06 23:36:52,488 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-06 23:36:52,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 492 [2021-11-06 23:36:53,094 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-06 23:36:53,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 115 [2021-11-06 23:36:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:36:53,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-11-06 23:36:54,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:54,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:36:54,323 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15