./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/nsqm.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/array-fpi/nsqm.c -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 b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 01:55:12,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 01:55:12,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 01:55:12,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 01:55:12,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 01:55:12,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 01:55:12,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 01:55:12,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 01:55:12,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 01:55:12,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 01:55:12,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 01:55:12,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 01:55:12,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 01:55:12,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 01:55:12,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 01:55:12,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 01:55:12,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 01:55:12,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 01:55:12,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 01:55:12,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 01:55:12,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 01:55:12,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 01:55:12,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 01:55:12,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 01:55:12,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 01:55:12,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 01:55:12,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 01:55:12,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 01:55:12,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 01:55:12,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 01:55:12,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 01:55:12,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 01:55:12,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 01:55:12,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 01:55:12,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 01:55:12,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 01:55:12,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 01:55:12,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 01:55:12,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 01:55:12,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 01:55:12,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 01:55:12,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 01:55:12,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 01:55:12,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 01:55:12,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 01:55:12,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 01:55:12,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 01:55:12,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 01:55:12,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 01:55:12,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 01:55:12,372 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 01:55:12,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 01:55:12,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 01:55:12,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 01:55:12,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 01:55:12,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 01:55:12,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 01:55:12,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 01:55:12,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 01:55:12,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 01:55:12,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 01:55:12,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 01:55:12,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 01:55:12,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 01:55:12,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 01:55:12,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 01:55:12,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 01:55:12,378 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 01:55:12,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 01:55:12,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 01:55:12,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 01:55:12,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 [2021-12-17 01:55:12,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 01:55:12,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 01:55:12,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 01:55:12,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 01:55:12,607 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 01:55:12,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/nsqm.c [2021-12-17 01:55:12,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb0b6971/850e250031a042c8949f9c0ba2e988f2/FLAG5042d011b [2021-12-17 01:55:13,096 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 01:55:13,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm.c [2021-12-17 01:55:13,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb0b6971/850e250031a042c8949f9c0ba2e988f2/FLAG5042d011b [2021-12-17 01:55:13,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb0b6971/850e250031a042c8949f9c0ba2e988f2 [2021-12-17 01:55:13,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 01:55:13,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 01:55:13,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 01:55:13,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 01:55:13,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 01:55:13,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff90997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13, skipping insertion in model container [2021-12-17 01:55:13,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 01:55:13,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 01:55:13,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-12-17 01:55:13,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 01:55:13,709 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 01:55:13,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2021-12-17 01:55:13,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 01:55:13,750 INFO L208 MainTranslator]: Completed translation [2021-12-17 01:55:13,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13 WrapperNode [2021-12-17 01:55:13,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 01:55:13,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 01:55:13,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 01:55:13,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 01:55:13,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,793 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-12-17 01:55:13,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 01:55:13,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 01:55:13,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 01:55:13,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 01:55:13,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 01:55:13,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 01:55:13,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 01:55:13,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 01:55:13,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (1/1) ... [2021-12-17 01:55:13,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 01:55:13,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:13,864 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) [2021-12-17 01:55:13,889 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 [2021-12-17 01:55:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 01:55:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 01:55:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 01:55:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-17 01:55:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 01:55:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 01:55:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 01:55:13,972 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 01:55:13,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 01:55:14,160 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 01:55:14,165 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 01:55:14,166 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-17 01:55:14,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:55:14 BoogieIcfgContainer [2021-12-17 01:55:14,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 01:55:14,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 01:55:14,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 01:55:14,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 01:55:14,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 01:55:13" (1/3) ... [2021-12-17 01:55:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5f955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:55:14, skipping insertion in model container [2021-12-17 01:55:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:55:13" (2/3) ... [2021-12-17 01:55:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5f955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:55:14, skipping insertion in model container [2021-12-17 01:55:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:55:14" (3/3) ... [2021-12-17 01:55:14,188 INFO L111 eAbstractionObserver]: Analyzing ICFG nsqm.c [2021-12-17 01:55:14,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 01:55:14,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 01:55:14,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 01:55:14,262 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 [2021-12-17 01:55:14,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 01:55:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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) [2021-12-17 01:55:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-17 01:55:14,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:14,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:14,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:14,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:14,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2021-12-17 01:55:14,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:14,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283180368] [2021-12-17 01:55:14,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:14,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:14,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:14,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283180368] [2021-12-17 01:55:14,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283180368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 01:55:14,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 01:55:14,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 01:55:14,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880888107] [2021-12-17 01:55:14,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 01:55:14,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 01:55:14,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:14,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 01:55:14,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 01:55:14,469 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 01:55:14,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:14,479 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2021-12-17 01:55:14,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 01:55:14,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-17 01:55:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:14,490 INFO L225 Difference]: With dead ends: 38 [2021-12-17 01:55:14,490 INFO L226 Difference]: Without dead ends: 17 [2021-12-17 01:55:14,494 INFO L932 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 [2021-12-17 01:55:14,497 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:14,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 01:55:14,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-12-17 01:55:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-12-17 01:55:14,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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) [2021-12-17 01:55:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-12-17 01:55:14,523 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2021-12-17 01:55:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:14,524 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-12-17 01:55:14,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 01:55:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-12-17 01:55:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-17 01:55:14,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:14,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:14,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 01:55:14,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:14,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2021-12-17 01:55:14,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:14,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850443213] [2021-12-17 01:55:14,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:14,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:14,550 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:14,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800773551] [2021-12-17 01:55:14,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:14,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:14,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:14,554 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) [2021-12-17 01:55:14,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 01:55:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:14,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 01:55:14,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:14,751 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-12-17 01:55:14,751 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2021-12-17 01:55:14,769 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 10 treesize of output 9 [2021-12-17 01:55:14,795 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 10 treesize of output 9 [2021-12-17 01:55:14,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-12-17 01:55:14,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-12-17 01:55:14,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:55:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:15,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 01:55:15,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:15,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850443213] [2021-12-17 01:55:15,087 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800773551] [2021-12-17 01:55:15,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800773551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 01:55:15,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 01:55:15,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 01:55:15,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582899584] [2021-12-17 01:55:15,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 01:55:15,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 01:55:15,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:15,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 01:55:15,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 01:55:15,090 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 01:55:15,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:15,173 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2021-12-17 01:55:15,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 01:55:15,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-17 01:55:15,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:15,176 INFO L225 Difference]: With dead ends: 34 [2021-12-17 01:55:15,176 INFO L226 Difference]: Without dead ends: 32 [2021-12-17 01:55:15,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-17 01:55:15,178 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:15,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 48 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 01:55:15,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-12-17 01:55:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-12-17 01:55:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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) [2021-12-17 01:55:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-17 01:55:15,194 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-12-17 01:55:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:15,195 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-17 01:55:15,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 01:55:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-12-17 01:55:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-17 01:55:15,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:15,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:15,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:15,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:15,420 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:15,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2021-12-17 01:55:15,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:15,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228547062] [2021-12-17 01:55:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:15,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:15,454 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:15,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084652360] [2021-12-17 01:55:15,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:15,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:15,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:15,467 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) [2021-12-17 01:55:15,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 01:55:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:15,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 01:55:15,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:15,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 01:55:15,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:15,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228547062] [2021-12-17 01:55:15,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:15,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084652360] [2021-12-17 01:55:15,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084652360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 01:55:15,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 01:55:15,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 01:55:15,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626124280] [2021-12-17 01:55:15,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 01:55:15,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 01:55:15,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:15,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 01:55:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 01:55:15,603 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-12-17 01:55:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:15,675 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-12-17 01:55:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 01:55:15,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2021-12-17 01:55:15,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:15,678 INFO L225 Difference]: With dead ends: 49 [2021-12-17 01:55:15,679 INFO L226 Difference]: Without dead ends: 40 [2021-12-17 01:55:15,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-17 01:55:15,684 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:15,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 01:55:15,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-12-17 01:55:15,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2021-12-17 01:55:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2021-12-17 01:55:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-12-17 01:55:15,698 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2021-12-17 01:55:15,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:15,699 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-12-17 01:55:15,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-12-17 01:55:15,699 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-12-17 01:55:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-17 01:55:15,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:15,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:15,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:15,919 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,SelfDestructingSolverStorable2 [2021-12-17 01:55:15,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:15,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2021-12-17 01:55:15,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:15,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326165105] [2021-12-17 01:55:15,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:15,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:15,938 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:15,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461548094] [2021-12-17 01:55:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:15,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:15,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:15,940 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) [2021-12-17 01:55:15,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 01:55:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:15,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 01:55:15,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:16,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:16,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:16,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326165105] [2021-12-17 01:55:16,059 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:16,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461548094] [2021-12-17 01:55:16,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461548094] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:16,059 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:16,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-12-17 01:55:16,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972712887] [2021-12-17 01:55:16,060 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:16,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 01:55:16,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:16,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 01:55:16,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 01:55:16,061 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-12-17 01:55:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:16,171 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-12-17 01:55:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 01:55:16,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 14 [2021-12-17 01:55:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:16,173 INFO L225 Difference]: With dead ends: 44 [2021-12-17 01:55:16,173 INFO L226 Difference]: Without dead ends: 37 [2021-12-17 01:55:16,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-17 01:55:16,174 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:16,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 01:55:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-12-17 01:55:16,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2021-12-17 01:55:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-12-17 01:55:16,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-12-17 01:55:16,178 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2021-12-17 01:55:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:16,178 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-17 01:55:16,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-12-17 01:55:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-12-17 01:55:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 01:55:16,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:16,179 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:16,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:16,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:16,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:16,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:16,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2021-12-17 01:55:16,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:16,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606102856] [2021-12-17 01:55:16,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:16,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:16,397 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:16,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850975312] [2021-12-17 01:55:16,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:16,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:16,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:16,399 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) [2021-12-17 01:55:16,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 01:55:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:16,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 01:55:16,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:16,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 01:55:16,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:16,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606102856] [2021-12-17 01:55:16,519 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:16,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850975312] [2021-12-17 01:55:16,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850975312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 01:55:16,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 01:55:16,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 01:55:16,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951474576] [2021-12-17 01:55:16,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 01:55:16,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 01:55:16,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:16,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 01:55:16,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 01:55:16,521 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-12-17 01:55:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:16,594 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2021-12-17 01:55:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 01:55:16,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2021-12-17 01:55:16,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:16,595 INFO L225 Difference]: With dead ends: 41 [2021-12-17 01:55:16,596 INFO L226 Difference]: Without dead ends: 27 [2021-12-17 01:55:16,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-17 01:55:16,598 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:16,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 32 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 01:55:16,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-17 01:55:16,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2021-12-17 01:55:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2021-12-17 01:55:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-12-17 01:55:16,604 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2021-12-17 01:55:16,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:16,604 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-12-17 01:55:16,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-12-17 01:55:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-12-17 01:55:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 01:55:16,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:16,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:16,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:16,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:16,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:16,820 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2021-12-17 01:55:16,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:16,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557882323] [2021-12-17 01:55:16,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:16,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:16,838 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:16,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233278045] [2021-12-17 01:55:16,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:16,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:16,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:16,840 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) [2021-12-17 01:55:16,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 01:55:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:16,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-17 01:55:16,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:16,970 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-12-17 01:55:16,971 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2021-12-17 01:55:16,977 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 10 treesize of output 9 [2021-12-17 01:55:16,983 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 10 treesize of output 9 [2021-12-17 01:55:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:17,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-12-17 01:55:17,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:55:17,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-12-17 01:55:17,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:55:17,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:55:17,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:17,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-12-17 01:55:17,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:17,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:17,335 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_147 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_147) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) is different from false [2021-12-17 01:55:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-12-17 01:55:17,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:17,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557882323] [2021-12-17 01:55:17,369 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:17,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233278045] [2021-12-17 01:55:17,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233278045] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:17,369 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:17,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-17 01:55:17,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979010322] [2021-12-17 01:55:17,370 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:17,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 01:55:17,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:17,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 01:55:17,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=64, Unknown=1, NotChecked=16, Total=110 [2021-12-17 01:55:17,371 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2021-12-17 01:55:17,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:17,514 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-12-17 01:55:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 01:55:17,515 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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 16 [2021-12-17 01:55:17,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:17,515 INFO L225 Difference]: With dead ends: 44 [2021-12-17 01:55:17,515 INFO L226 Difference]: Without dead ends: 42 [2021-12-17 01:55:17,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=109, Unknown=1, NotChecked=22, Total=182 [2021-12-17 01:55:17,516 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 28 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:17,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 69 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2021-12-17 01:55:17,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-12-17 01:55:17,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 28. [2021-12-17 01:55:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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) [2021-12-17 01:55:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-12-17 01:55:17,521 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2021-12-17 01:55:17,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:17,521 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-12-17 01:55:17,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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) [2021-12-17 01:55:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-12-17 01:55:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-17 01:55:17,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:17,522 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:17,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:17,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:17,738 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:17,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:17,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1267903976, now seen corresponding path program 2 times [2021-12-17 01:55:17,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:17,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972807608] [2021-12-17 01:55:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:17,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:17,758 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:17,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087089210] [2021-12-17 01:55:17,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 01:55:17,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:17,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:17,760 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) [2021-12-17 01:55:17,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 01:55:17,838 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 01:55:17,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:55:17,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 01:55:17,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:17,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:17,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:17,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972807608] [2021-12-17 01:55:17,991 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:17,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087089210] [2021-12-17 01:55:17,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087089210] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:17,991 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:17,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-17 01:55:17,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715984546] [2021-12-17 01:55:17,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:17,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 01:55:17,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:17,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 01:55:17,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 01:55:17,993 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-12-17 01:55:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:18,093 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2021-12-17 01:55:18,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 01:55:18,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 18 [2021-12-17 01:55:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:18,097 INFO L225 Difference]: With dead ends: 61 [2021-12-17 01:55:18,097 INFO L226 Difference]: Without dead ends: 52 [2021-12-17 01:55:18,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-17 01:55:18,099 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 36 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:18,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 37 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 01:55:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-12-17 01:55:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 28. [2021-12-17 01:55:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 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) [2021-12-17 01:55:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2021-12-17 01:55:18,108 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 18 [2021-12-17 01:55:18,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:18,109 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-12-17 01:55:18,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-12-17 01:55:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2021-12-17 01:55:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-17 01:55:18,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:18,110 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:18,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:18,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:18,324 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:18,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1174519208, now seen corresponding path program 3 times [2021-12-17 01:55:18,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:18,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696591433] [2021-12-17 01:55:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:18,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:18,344 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417907688] [2021-12-17 01:55:18,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-17 01:55:18,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:18,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:18,345 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) [2021-12-17 01:55:18,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 01:55:18,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-17 01:55:18,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:55:18,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-17 01:55:18,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:18,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:18,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:18,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696591433] [2021-12-17 01:55:18,534 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:18,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417907688] [2021-12-17 01:55:18,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417907688] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:18,534 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:18,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-12-17 01:55:18,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385697702] [2021-12-17 01:55:18,535 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:18,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 01:55:18,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 01:55:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 01:55:18,537 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-12-17 01:55:18,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:18,670 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2021-12-17 01:55:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-17 01:55:18,671 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 18 [2021-12-17 01:55:18,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:18,671 INFO L225 Difference]: With dead ends: 56 [2021-12-17 01:55:18,672 INFO L226 Difference]: Without dead ends: 49 [2021-12-17 01:55:18,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-12-17 01:55:18,672 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 48 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:18,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 01:55:18,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-17 01:55:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 30. [2021-12-17 01:55:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 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) [2021-12-17 01:55:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-12-17 01:55:18,676 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 18 [2021-12-17 01:55:18,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:18,676 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-12-17 01:55:18,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-12-17 01:55:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-12-17 01:55:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-17 01:55:18,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:18,677 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:18,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:18,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:18,877 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:18,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:18,878 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2021-12-17 01:55:18,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:18,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876798476] [2021-12-17 01:55:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:18,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:18,892 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:18,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805023105] [2021-12-17 01:55:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:18,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:18,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:18,899 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) [2021-12-17 01:55:18,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-17 01:55:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:55:18,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 38 conjunts are in the unsatisfiable core [2021-12-17 01:55:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:19,036 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-17 01:55:19,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2021-12-17 01:55:19,041 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2021-12-17 01:55:19,073 INFO L354 Elim1Store]: treesize reduction 25, result has 51.9 percent of original size [2021-12-17 01:55:19,074 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 71 [2021-12-17 01:55:19,099 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 17 treesize of output 15 [2021-12-17 01:55:19,132 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 10 treesize of output 9 [2021-12-17 01:55:19,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-12-17 01:55:19,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-12-17 01:55:19,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:55:19,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:55:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:19,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-17 01:55:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:19,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2021-12-17 01:55:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:19,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:20,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:20,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876798476] [2021-12-17 01:55:20,043 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:20,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805023105] [2021-12-17 01:55:20,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805023105] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:20,043 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:20,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-12-17 01:55:20,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635179465] [2021-12-17 01:55:20,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:20,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-17 01:55:20,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:20,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-17 01:55:20,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-12-17 01:55:20,045 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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) [2021-12-17 01:55:20,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:20,144 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2021-12-17 01:55:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 01:55:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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 20 [2021-12-17 01:55:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:20,145 INFO L225 Difference]: With dead ends: 36 [2021-12-17 01:55:20,145 INFO L226 Difference]: Without dead ends: 34 [2021-12-17 01:55:20,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-17 01:55:20,146 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:20,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 55 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 31 Unchecked, 0.1s Time] [2021-12-17 01:55:20,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-12-17 01:55:20,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-17 01:55:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 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) [2021-12-17 01:55:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-12-17 01:55:20,149 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 20 [2021-12-17 01:55:20,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:20,149 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-12-17 01:55:20,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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) [2021-12-17 01:55:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-12-17 01:55:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-17 01:55:20,150 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:20,150 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:20,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:20,351 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,SelfDestructingSolverStorable8 [2021-12-17 01:55:20,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1786143722, now seen corresponding path program 4 times [2021-12-17 01:55:20,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:20,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633021621] [2021-12-17 01:55:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:20,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:20,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:20,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177911356] [2021-12-17 01:55:20,370 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-17 01:55:20,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:20,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:20,372 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) [2021-12-17 01:55:20,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-17 01:55:20,547 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-17 01:55:20,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:55:20,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-17 01:55:20,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:20,582 INFO L354 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2021-12-17 01:55:20,583 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 55 [2021-12-17 01:55:20,587 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 10 treesize of output 9 [2021-12-17 01:55:20,592 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 10 treesize of output 9 [2021-12-17 01:55:20,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-12-17 01:55:20,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:55:20,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-12-17 01:55:20,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2021-12-17 01:55:20,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:55:20,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:55:20,745 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 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-17 01:55:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2021-12-17 01:55:20,765 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:55:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2021-12-17 01:55:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:20,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-12-17 01:55:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:20,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:21,173 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_304 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_304) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) is different from false [2021-12-17 01:55:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 3 not checked. [2021-12-17 01:55:21,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:21,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633021621] [2021-12-17 01:55:21,195 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:21,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177911356] [2021-12-17 01:55:21,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177911356] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:21,196 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:21,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-17 01:55:21,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792961186] [2021-12-17 01:55:21,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:21,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-17 01:55:21,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:21,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-17 01:55:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=129, Unknown=1, NotChecked=24, Total=210 [2021-12-17 01:55:21,198 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 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) [2021-12-17 01:55:21,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:21,471 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2021-12-17 01:55:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-17 01:55:21,475 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 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 20 [2021-12-17 01:55:21,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:21,476 INFO L225 Difference]: With dead ends: 65 [2021-12-17 01:55:21,476 INFO L226 Difference]: Without dead ends: 63 [2021-12-17 01:55:21,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=401, Unknown=2, NotChecked=44, Total=600 [2021-12-17 01:55:21,477 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 33 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 72 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:21,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 62 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 92 Invalid, 0 Unknown, 72 Unchecked, 0.1s Time] [2021-12-17 01:55:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-17 01:55:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 45. [2021-12-17 01:55:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 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) [2021-12-17 01:55:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2021-12-17 01:55:21,483 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 20 [2021-12-17 01:55:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:21,483 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2021-12-17 01:55:21,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 15 states have internal predecessors, (34), 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) [2021-12-17 01:55:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2021-12-17 01:55:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 01:55:21,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:21,484 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:21,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:21,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 01:55:21,695 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:21,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1197174726, now seen corresponding path program 2 times [2021-12-17 01:55:21,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:21,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263904018] [2021-12-17 01:55:21,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:21,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:21,713 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:21,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764969] [2021-12-17 01:55:21,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-17 01:55:21,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:21,720 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) [2021-12-17 01:55:21,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-17 01:55:21,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-17 01:55:21,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:55:21,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-17 01:55:21,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 01:55:21,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-17 01:55:21,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:21,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263904018] [2021-12-17 01:55:21,928 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:21,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764969] [2021-12-17 01:55:21,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764969] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:21,929 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:21,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-12-17 01:55:21,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754859745] [2021-12-17 01:55:21,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:21,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 01:55:21,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:21,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 01:55:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-17 01:55:21,930 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-12-17 01:55:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:22,040 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2021-12-17 01:55:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 01:55:22,041 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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 24 [2021-12-17 01:55:22,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:22,041 INFO L225 Difference]: With dead ends: 69 [2021-12-17 01:55:22,041 INFO L226 Difference]: Without dead ends: 49 [2021-12-17 01:55:22,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-12-17 01:55:22,042 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:22,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 60 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 01:55:22,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-17 01:55:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2021-12-17 01:55:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 35 states have internal predecessors, (41), 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) [2021-12-17 01:55:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2021-12-17 01:55:22,046 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 24 [2021-12-17 01:55:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:22,047 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-12-17 01:55:22,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-12-17 01:55:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2021-12-17 01:55:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 01:55:22,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:22,048 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:22,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-17 01:55:22,270 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,SelfDestructingSolverStorable10 [2021-12-17 01:55:22,270 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:22,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1232945932, now seen corresponding path program 3 times [2021-12-17 01:55:22,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:22,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863200876] [2021-12-17 01:55:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:22,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:22,292 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:22,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838877602] [2021-12-17 01:55:22,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-17 01:55:22,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:22,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:22,297 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) [2021-12-17 01:55:22,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-17 01:55:22,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-17 01:55:22,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:55:22,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-17 01:55:22,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:55:22,503 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-17 01:55:22,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2021-12-17 01:55:22,509 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2021-12-17 01:55:22,544 INFO L354 Elim1Store]: treesize reduction 25, result has 51.9 percent of original size [2021-12-17 01:55:22,544 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 71 [2021-12-17 01:55:22,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-17 01:55:22,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:55:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-12-17 01:55:22,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:55:22,657 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 8 treesize of output 7 [2021-12-17 01:55:22,661 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 10 treesize of output 9 [2021-12-17 01:55:22,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 19 treesize of output 17 [2021-12-17 01:55:22,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:55:22,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2021-12-17 01:55:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-17 01:55:22,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-17 01:55:22,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-17 01:55:22,946 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-17 01:55:22,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 141 treesize of output 129 [2021-12-17 01:55:22,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:55:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2021-12-17 01:55:22,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:22,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 69 treesize of output 39 [2021-12-17 01:55:23,104 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-17 01:55:23,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 103 [2021-12-17 01:55:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 120 [2021-12-17 01:55:23,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:55:23,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:55:23,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 137 treesize of output 78 [2021-12-17 01:55:23,456 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-17 01:55:23,456 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 40 [2021-12-17 01:55:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:23,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:55:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:55:26,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:55:26,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863200876] [2021-12-17 01:55:26,034 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:55:26,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838877602] [2021-12-17 01:55:26,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838877602] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:55:26,034 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:55:26,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 25 [2021-12-17 01:55:26,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600861136] [2021-12-17 01:55:26,034 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:55:26,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-17 01:55:26,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:55:26,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-17 01:55:26,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-12-17 01:55:26,035 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 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) [2021-12-17 01:55:26,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:55:26,479 INFO L93 Difference]: Finished difference Result 59 states and 66 transitions. [2021-12-17 01:55:26,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-17 01:55:26,480 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 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 24 [2021-12-17 01:55:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:55:26,480 INFO L225 Difference]: With dead ends: 59 [2021-12-17 01:55:26,480 INFO L226 Difference]: Without dead ends: 57 [2021-12-17 01:55:26,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2021-12-17 01:55:26,482 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:55:26,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 65 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 90 Unchecked, 0.1s Time] [2021-12-17 01:55:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-17 01:55:26,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2021-12-17 01:55:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 48 states have internal predecessors, (56), 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) [2021-12-17 01:55:26,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2021-12-17 01:55:26,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 24 [2021-12-17 01:55:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:55:26,501 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2021-12-17 01:55:26,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 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) [2021-12-17 01:55:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2021-12-17 01:55:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 01:55:26,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:55:26,503 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:55:26,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-17 01:55:26,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 01:55:26,724 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:55:26,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:55:26,724 INFO L85 PathProgramCache]: Analyzing trace with hash -900609774, now seen corresponding path program 5 times [2021-12-17 01:55:26,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:55:26,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363158398] [2021-12-17 01:55:26,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:55:26,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:55:26,760 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:55:26,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728680209] [2021-12-17 01:55:26,760 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-17 01:55:26,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:55:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:55:26,762 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:55:26,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-17 01:56:15,742 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-12-17 01:56:15,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:56:15,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-17 01:56:15,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:56:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:56:15,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:56:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:56:15,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:56:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363158398] [2021-12-17 01:56:15,928 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:56:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728680209] [2021-12-17 01:56:15,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728680209] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:56:15,928 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:56:15,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-12-17 01:56:15,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627395690] [2021-12-17 01:56:15,928 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:56:15,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-17 01:56:15,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:56:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-17 01:56:15,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-12-17 01:56:15,929 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 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) [2021-12-17 01:56:16,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:56:16,265 INFO L93 Difference]: Finished difference Result 135 states and 146 transitions. [2021-12-17 01:56:16,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-17 01:56:16,266 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 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 24 [2021-12-17 01:56:16,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:56:16,267 INFO L225 Difference]: With dead ends: 135 [2021-12-17 01:56:16,267 INFO L226 Difference]: Without dead ends: 114 [2021-12-17 01:56:16,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2021-12-17 01:56:16,268 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 129 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 01:56:16,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 97 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 01:56:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-12-17 01:56:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 61. [2021-12-17 01:56:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 60 states have internal predecessors, (68), 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) [2021-12-17 01:56:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2021-12-17 01:56:16,274 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 24 [2021-12-17 01:56:16,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:56:16,274 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2021-12-17 01:56:16,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 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) [2021-12-17 01:56:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2021-12-17 01:56:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 01:56:16,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:56:16,279 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:56:16,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-17 01:56:16,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 01:56:16,492 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:56:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:56:16,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585326, now seen corresponding path program 6 times [2021-12-17 01:56:16,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:56:16,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581049623] [2021-12-17 01:56:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:56:16,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:56:16,525 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:56:16,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554438108] [2021-12-17 01:56:16,525 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-17 01:56:16,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:56:16,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:56:16,527 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:56:16,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-17 01:56:16,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-17 01:56:16,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:56:16,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-17 01:56:16,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:56:16,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:56:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:16,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 16 [2021-12-17 01:56:16,983 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 10 treesize of output 9 [2021-12-17 01:56:17,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:56:17,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:56:17,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:56:17,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-12-17 01:56:17,297 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 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-17 01:56:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,315 INFO L354 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2021-12-17 01:56:17,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 70 [2021-12-17 01:56:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-17 01:56:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-12-17 01:56:17,508 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 0 case distinctions, treesize of input 80 treesize of output 73 [2021-12-17 01:56:17,533 INFO L354 Elim1Store]: treesize reduction 46, result has 29.2 percent of original size [2021-12-17 01:56:17,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 92 [2021-12-17 01:56:17,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2021-12-17 01:56:17,585 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:56:17,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2021-12-17 01:56:17,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2021-12-17 01:56:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:56:17,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2021-12-17 01:56:17,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:56:17,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:56:20,508 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|)))) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|))))))) is different from false [2021-12-17 01:56:24,349 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (let ((.cse1 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< 2147483647 .cse1)) (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (<= .cse1 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse3 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse3) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)))) (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (<= .cse3 2147483647)))))))))) is different from false [2021-12-17 01:56:26,531 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|))))))) is different from false [2021-12-17 01:56:42,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:56:42,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 105 [2021-12-17 01:56:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2021-12-17 01:56:42,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:56:42,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581049623] [2021-12-17 01:56:42,401 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:56:42,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554438108] [2021-12-17 01:56:42,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554438108] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:56:42,402 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:56:42,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 30 [2021-12-17 01:56:42,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693399283] [2021-12-17 01:56:42,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:56:42,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-12-17 01:56:42,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:56:42,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-17 01:56:42,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=528, Unknown=8, NotChecked=156, Total=870 [2021-12-17 01:56:42,404 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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) [2021-12-17 01:57:30,536 WARN L227 SmtUtils]: Spent 44.07s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 01:58:16,626 WARN L227 SmtUtils]: Spent 40.07s on a formula simplification. DAG size of input: 69 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 01:58:28,814 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= c_~N~0 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|))))))) (< 3 c_~N~0)) is different from false [2021-12-17 01:58:45,011 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= c_~N~0 4) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (let ((.cse1 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (< 2147483647 .cse1)) (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (<= .cse1 2147483647))))))) (forall ((|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse2 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< (+ .cse2 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (let ((.cse3 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse3) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)))) (or (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (v_ArrVal_492 Int)) (= (select (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_492) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) (<= .cse3 2147483647)))))))))) (< 3 c_~N~0) (= |c_ULTIMATE.start_main_~i~0#1| 1)) is different from false [2021-12-17 01:59:01,168 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= c_~N~0 4) (forall ((|v_ULTIMATE.start_main_~i~0#1_103| Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_103| 1) c_~N~0) (and (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse0 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (<= c_~N~0 (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (<= |aux_mod_ULTIMATE.start_main_~i~0#1_45| 2147483647) (<= 4294967296 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8) (- 34359738368)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (< (+ .cse0 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|)))) (forall ((v_ArrVal_496 Int) (v_ArrVal_495 Int) (|aux_div_ULTIMATE.start_main_~i~0#1_45| Int) (|aux_mod_ULTIMATE.start_main_~i~0#1_45| Int)) (let ((.cse1 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_45|))) (or (= (select (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_ULTIMATE.start_main_~i~0#1_45| 4294967296) 8)) v_ArrVal_495) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |v_ULTIMATE.start_main_~i~0#1_103| 4294967296) 8)) v_ArrVal_496) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1)) (<= c_~N~0 (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45|)) (< |aux_mod_ULTIMATE.start_main_~i~0#1_45| 0) (< 2147483647 |aux_mod_ULTIMATE.start_main_~i~0#1_45|) (< (+ .cse1 |aux_mod_ULTIMATE.start_main_~i~0#1_45| 1) |v_ULTIMATE.start_main_~i~0#1_103|))))))) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (< 3 c_~N~0)) is different from false [2021-12-17 01:59:01,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:59:01,422 INFO L93 Difference]: Finished difference Result 127 states and 140 transitions. [2021-12-17 01:59:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-12-17 01:59:01,422 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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 24 [2021-12-17 01:59:01,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:59:01,423 INFO L225 Difference]: With dead ends: 127 [2021-12-17 01:59:01,423 INFO L226 Difference]: Without dead ends: 125 [2021-12-17 01:59:01,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 159.6s TimeCoverageRelationStatistics Valid=369, Invalid=1186, Unknown=29, NotChecked=486, Total=2070 [2021-12-17 01:59:01,424 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 94 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 202 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:59:01,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 103 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 88 Invalid, 0 Unknown, 202 Unchecked, 0.1s Time] [2021-12-17 01:59:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-12-17 01:59:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 76. [2021-12-17 01:59:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.16) internal successors, (87), 75 states have internal predecessors, (87), 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) [2021-12-17 01:59:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2021-12-17 01:59:01,434 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 24 [2021-12-17 01:59:01,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:59:01,435 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2021-12-17 01:59:01,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 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) [2021-12-17 01:59:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2021-12-17 01:59:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 01:59:01,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:59:01,436 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:59:01,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-17 01:59:01,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 01:59:01,651 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:59:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:59:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -55017726, now seen corresponding path program 4 times [2021-12-17 01:59:01,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:59:01,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620084600] [2021-12-17 01:59:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:59:01,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:59:01,667 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:59:01,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467137594] [2021-12-17 01:59:01,668 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-17 01:59:01,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:59:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:59:01,669 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:59:01,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-17 01:59:01,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-17 01:59:01,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:59:01,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-17 01:59:01,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:59:01,926 INFO L354 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2021-12-17 01:59:01,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2021-12-17 01:59:01,956 INFO L354 Elim1Store]: treesize reduction 30, result has 47.4 percent of original size [2021-12-17 01:59:01,957 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 76 [2021-12-17 01:59:01,963 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 10 treesize of output 9 [2021-12-17 01:59:01,982 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 17 treesize of output 15 [2021-12-17 01:59:02,005 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 10 treesize of output 9 [2021-12-17 01:59:02,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2021-12-17 01:59:02,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-12-17 01:59:02,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-12-17 01:59:02,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:59:02,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 109 [2021-12-17 01:59:02,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 131 [2021-12-17 01:59:02,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 93 treesize of output 54 [2021-12-17 01:59:02,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,279 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 45 treesize of output 46 [2021-12-17 01:59:02,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 163 [2021-12-17 01:59:02,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 160 [2021-12-17 01:59:02,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:59:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 128 treesize of output 78 [2021-12-17 01:59:02,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:02,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:02,580 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-17 01:59:02,581 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 6 case distinctions, treesize of input 76 treesize of output 62 [2021-12-17 01:59:02,971 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-12-17 01:59:02,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 95 treesize of output 47 [2021-12-17 01:59:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:59:02,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:59:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:59:11,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:59:11,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620084600] [2021-12-17 01:59:11,821 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:59:11,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467137594] [2021-12-17 01:59:11,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467137594] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:59:11,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:59:11,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 24 [2021-12-17 01:59:11,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470975254] [2021-12-17 01:59:11,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:59:11,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-17 01:59:11,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:59:11,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-17 01:59:11,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-12-17 01:59:11,822 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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) [2021-12-17 01:59:13,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:59:13,700 INFO L93 Difference]: Finished difference Result 92 states and 102 transitions. [2021-12-17 01:59:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-17 01:59:13,701 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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 28 [2021-12-17 01:59:13,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:59:13,701 INFO L225 Difference]: With dead ends: 92 [2021-12-17 01:59:13,701 INFO L226 Difference]: Without dead ends: 63 [2021-12-17 01:59:13,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=166, Invalid=826, Unknown=0, NotChecked=0, Total=992 [2021-12-17 01:59:13,703 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 74 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 01:59:13,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 97 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 124 Invalid, 0 Unknown, 74 Unchecked, 0.3s Time] [2021-12-17 01:59:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-17 01:59:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-17 01:59:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 62 states have internal predecessors, (72), 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) [2021-12-17 01:59:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2021-12-17 01:59:13,710 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 28 [2021-12-17 01:59:13,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:59:13,710 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2021-12-17 01:59:13,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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) [2021-12-17 01:59:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-12-17 01:59:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 01:59:13,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:59:13,711 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:59:13,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-17 01:59:13,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:59:13,919 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:59:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:59:13,920 INFO L85 PathProgramCache]: Analyzing trace with hash 48972360, now seen corresponding path program 5 times [2021-12-17 01:59:13,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:59:13,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257647664] [2021-12-17 01:59:13,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:59:13,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:59:13,951 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:59:13,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058032402] [2021-12-17 01:59:13,952 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-17 01:59:13,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:59:13,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:59:13,956 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:59:13,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-17 01:59:28,961 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-12-17 01:59:28,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:59:28,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-17 01:59:28,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:59:28,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:59:28,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:28,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2021-12-17 01:59:28,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-12-17 01:59:28,996 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 10 treesize of output 9 [2021-12-17 01:59:29,000 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 8 treesize of output 7 [2021-12-17 01:59:29,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2021-12-17 01:59:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-17 01:59:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-17 01:59:29,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2021-12-17 01:59:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2021-12-17 01:59:29,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:59:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 24 [2021-12-17 01:59:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-17 01:59:29,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 129 [2021-12-17 01:59:29,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2021-12-17 01:59:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 125 treesize of output 66 [2021-12-17 01:59:29,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2021-12-17 01:59:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 86 [2021-12-17 01:59:29,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 38 [2021-12-17 01:59:29,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:29,520 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 46 treesize of output 47 [2021-12-17 01:59:29,712 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2021-12-17 01:59:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:59:29,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:59:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:59:40,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:59:40,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257647664] [2021-12-17 01:59:40,126 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:59:40,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058032402] [2021-12-17 01:59:40,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058032402] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:59:40,126 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:59:40,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 26 [2021-12-17 01:59:40,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166998232] [2021-12-17 01:59:40,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:59:40,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-17 01:59:40,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:59:40,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-17 01:59:40,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2021-12-17 01:59:40,127 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand has 26 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 26 states have internal predecessors, (50), 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) [2021-12-17 01:59:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:59:40,986 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2021-12-17 01:59:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-17 01:59:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 26 states have internal predecessors, (50), 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 28 [2021-12-17 01:59:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:59:40,988 INFO L225 Difference]: With dead ends: 82 [2021-12-17 01:59:40,988 INFO L226 Difference]: Without dead ends: 80 [2021-12-17 01:59:40,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2021-12-17 01:59:40,989 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 76 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 01:59:40,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 48 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 76 Unchecked, 0.1s Time] [2021-12-17 01:59:40,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-17 01:59:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2021-12-17 01:59:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 73 states have internal predecessors, (83), 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) [2021-12-17 01:59:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2021-12-17 01:59:41,001 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 28 [2021-12-17 01:59:41,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:59:41,001 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2021-12-17 01:59:41,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 26 states have internal predecessors, (50), 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) [2021-12-17 01:59:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-12-17 01:59:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 01:59:41,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:59:41,002 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:59:41,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-17 01:59:41,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-17 01:59:41,207 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:59:41,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:59:41,208 INFO L85 PathProgramCache]: Analyzing trace with hash 778799246, now seen corresponding path program 7 times [2021-12-17 01:59:41,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:59:41,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694929487] [2021-12-17 01:59:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:59:41,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:59:41,221 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:59:41,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110717752] [2021-12-17 01:59:41,222 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-17 01:59:41,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:59:41,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:59:41,223 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:59:41,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-17 01:59:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 01:59:41,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-17 01:59:41,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:59:41,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:59:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:41,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 16 [2021-12-17 01:59:41,909 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 10 treesize of output 9 [2021-12-17 01:59:41,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:59:41,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:59:41,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:59:42,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 18 [2021-12-17 01:59:42,065 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 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-17 01:59:42,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2021-12-17 01:59:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-17 01:59:42,114 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 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-17 01:59:42,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2021-12-17 01:59:42,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 17 [2021-12-17 01:59:42,163 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 0 case distinctions, treesize of input 58 treesize of output 51 [2021-12-17 01:59:42,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2021-12-17 01:59:42,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 01:59:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2021-12-17 01:59:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:42,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-12-17 01:59:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 01:59:42,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 01:59:43,319 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_679 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| v_ArrVal_679) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (+ c_~N~0 1))) is different from false [2021-12-17 01:59:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 7 not checked. [2021-12-17 01:59:43,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 01:59:43,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694929487] [2021-12-17 01:59:43,351 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 01:59:43,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110717752] [2021-12-17 01:59:43,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110717752] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 01:59:43,351 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-17 01:59:43,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-12-17 01:59:43,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482848888] [2021-12-17 01:59:43,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-17 01:59:43,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-17 01:59:43,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 01:59:43,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-17 01:59:43,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=322, Unknown=1, NotChecked=40, Total=506 [2021-12-17 01:59:43,353 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 23 states, 23 states have (on average 2.0) internal successors, (46), 23 states have internal predecessors, (46), 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) [2021-12-17 01:59:43,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 01:59:43,836 INFO L93 Difference]: Finished difference Result 141 states and 157 transitions. [2021-12-17 01:59:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-17 01:59:43,836 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 23 states have internal predecessors, (46), 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 28 [2021-12-17 01:59:43,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 01:59:43,837 INFO L225 Difference]: With dead ends: 141 [2021-12-17 01:59:43,837 INFO L226 Difference]: Without dead ends: 139 [2021-12-17 01:59:43,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=235, Invalid=697, Unknown=2, NotChecked=58, Total=992 [2021-12-17 01:59:43,838 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 59 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 156 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 01:59:43,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 103 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 179 Invalid, 0 Unknown, 156 Unchecked, 0.2s Time] [2021-12-17 01:59:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-17 01:59:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 91. [2021-12-17 01:59:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 90 states have internal predecessors, (106), 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) [2021-12-17 01:59:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2021-12-17 01:59:43,848 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 28 [2021-12-17 01:59:43,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 01:59:43,849 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2021-12-17 01:59:43,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.0) internal successors, (46), 23 states have internal predecessors, (46), 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) [2021-12-17 01:59:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2021-12-17 01:59:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-17 01:59:43,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 01:59:43,850 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 01:59:43,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-17 01:59:44,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-17 01:59:44,057 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 01:59:44,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 01:59:44,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1146912830, now seen corresponding path program 6 times [2021-12-17 01:59:44,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 01:59:44,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427737955] [2021-12-17 01:59:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 01:59:44,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 01:59:44,077 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 01:59:44,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841410768] [2021-12-17 01:59:44,081 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-17 01:59:44,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 01:59:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 01:59:44,083 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 01:59:44,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-17 01:59:44,724 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-12-17 01:59:44,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-17 01:59:44,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 77 conjunts are in the unsatisfiable core [2021-12-17 01:59:44,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 01:59:44,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-17 01:59:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2021-12-17 01:59:44,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-12-17 01:59:44,809 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 10 treesize of output 9 [2021-12-17 01:59:44,814 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 8 treesize of output 7 [2021-12-17 01:59:44,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 109 [2021-12-17 01:59:44,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 131 [2021-12-17 01:59:44,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:44,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 135 treesize of output 76 [2021-12-17 01:59:45,018 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-17 01:59:45,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 94 [2021-12-17 01:59:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 107 [2021-12-17 01:59:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 69 treesize of output 40 [2021-12-17 01:59:45,179 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-17 01:59:45,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 72 [2021-12-17 01:59:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 79 [2021-12-17 01:59:45,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 43 treesize of output 28 [2021-12-17 01:59:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:45,419 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-17 01:59:45,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 61 treesize of output 52 [2021-12-17 01:59:45,534 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-12-17 01:59:45,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 174 treesize of output 152 [2021-12-17 01:59:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,582 INFO L354 Elim1Store]: treesize reduction 76, result has 27.6 percent of original size [2021-12-17 01:59:45,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 138 treesize of output 207 [2021-12-17 01:59:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 68 [2021-12-17 01:59:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,773 INFO L354 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2021-12-17 01:59:45,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 108 [2021-12-17 01:59:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:45,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 110 [2021-12-17 01:59:46,678 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-17 01:59:46,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 387 treesize of output 335 [2021-12-17 01:59:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:46,768 INFO L354 Elim1Store]: treesize reduction 110, result has 20.9 percent of original size [2021-12-17 01:59:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 327 treesize of output 369 [2021-12-17 01:59:47,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 97 [2021-12-17 01:59:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 107 [2021-12-17 01:59:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 88 [2021-12-17 01:59:47,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-17 01:59:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 81 [2021-12-17 01:59:47,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 105 [2021-12-17 01:59:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:47,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 105 [2021-12-17 01:59:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,149 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-12-17 01:59:48,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 135 [2021-12-17 01:59:48,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 01:59:48,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 100 [2021-12-17 01:59:48,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-17 02:00:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 02:00:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 02:00:05,531 INFO L354 Elim1Store]: treesize reduction 211, result has 6.2 percent of original size [2021-12-17 02:00:05,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 150 treesize of output 83 [2021-12-17 02:00:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 02:00:05,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 02:02:20,303 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_746 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse9 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse0 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse9 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse1 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse9))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse0 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse0) (<= .cse1 2147483648) (let ((.cse5 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_751 Int)) (let ((.cse2 (store (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_746))) (store .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse4 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse4 (- 34359738368))) (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))))))) (< 2147483647 .cse5)) (or (forall ((v_ArrVal_751 Int)) (let ((.cse6 (store (let ((.cse7 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_746))) (store .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse8 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse8 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse8 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))))))) (<= .cse5 2147483647)))) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse19 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse18 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse10 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 2147483648 .cse10) (let ((.cse11 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (< 2147483647 .cse11) (forall ((v_ArrVal_751 Int)) (let ((.cse12 (store (let ((.cse13 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_746))) (store .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse14 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse14)) (select .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse14)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (= (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (or (forall ((v_ArrVal_751 Int)) (let ((.cse15 (store (let ((.cse16 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_746))) (store .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse17 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17)) (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse17)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (= (select .cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))) (<= .cse11 2147483647)))) (< .cse18 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse18) (< .cse10 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse29 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse27 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse29 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse28 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse29))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (let ((.cse23 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_751 Int)) (let ((.cse20 (store (let ((.cse21 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_746))) (store .cse21 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse22 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse21 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse22 (- 34359738368))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse21) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse22 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (= (select .cse20 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))) (<= .cse23 2147483647)) (or (forall ((v_ArrVal_751 Int)) (let ((.cse24 (store (let ((.cse25 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_746))) (store .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse26 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse25) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse26 (- 34359738368))) (select .cse25 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse26 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))))))) (< 2147483647 .cse23)))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse27 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse27) (<= .cse28 2147483648) (<= 4294967297 .cse28))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse39 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse31 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse39 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse30 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse39))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse30) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse31 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse31) (< .cse30 1) (let ((.cse35 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_751 Int)) (let ((.cse32 (store (let ((.cse33 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_746))) (store .cse33 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse34 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse34)) (select .cse33 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse34)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (= (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))) (<= .cse35 2147483647)) (or (forall ((v_ArrVal_751 Int)) (let ((.cse36 (store (let ((.cse37 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_746))) (store .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse38 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse37) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse38)) (select .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse38)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8)))) (= (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))) (< 2147483647 .cse35))))))))) (let ((.cse40 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4294967295) 4294967296))) (let ((.cse43 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse41 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse42 (* .cse40 8))) (and (or (<= .cse40 2147483647) (< (+ (select .cse41 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse42 (- 34359738368))) (select .cse43 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse42 (- 34359738368))) 2) v_ArrVal_746)) (or (< 2147483647 .cse40) (< (+ (select .cse43 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse42)) (select .cse41 (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse42)) 2) v_ArrVal_746))))))) (<= c_~N~0 2)) is different from true [2021-12-17 02:03:09,499 WARN L227 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 02:03:45,728 WARN L227 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-17 02:03:54,196 WARN L860 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_746 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse6 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse5 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse6 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse4 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse6))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse0 (store (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) .cse1 v_ArrVal_746))) (store .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse3 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse3)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse3)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse0 .cse1))))))) (< 2147483648 .cse4) (< .cse5 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse5) (< .cse4 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse13 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse12 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse13 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse11 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse13))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (forall ((v_ArrVal_751 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse7 (store (let ((.cse9 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) .cse8 v_ArrVal_746))) (store .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse10 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse10)) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse9) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse10)) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse7 .cse8))) (= (select .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< 2147483648 .cse11) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse12 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse12) (< .cse11 1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse20 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse18 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse20 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse19 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse20))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse15 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse14 (store (let ((.cse16 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) .cse15 v_ArrVal_746))) (store .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse17 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse17 (- 34359738368))) (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse17 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse14 .cse15))) (= (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse18 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse18) (<= .cse19 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse19))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse27 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse25 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse26 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse21 (store (let ((.cse23 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) .cse22 v_ArrVal_746))) (store .cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse24 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse24 (- 34359738368))) (select .cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse24 (- 34359738368))) 2)))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse21 .cse22))) (= (select .cse21 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse25 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse25) (<= .cse26 2147483648) (<= 4294967297 .cse26)))))) (< (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2) v_ArrVal_746))) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (<= c_~N~0 2)) is different from true [2021-12-17 02:05:01,128 WARN L860 $PredicateComparison]: unable to prove that (or (<= c_~N~0 |c_ULTIMATE.start_main_~i~0#1|) (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (<= c_~N~0 2) (let ((.cse25 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (and (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse7 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse6 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse7 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse5 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse7))) (or (forall ((v_ArrVal_751 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse0 (store (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_745)))) (let ((.cse2 (store (select .cse4 |c_ULTIMATE.start_main_~a~0#1.base|) .cse1 v_ArrVal_746))) (store .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse3 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse3)) (select (select (store .cse4 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse3)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse0 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse0 .cse1))))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse5) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse6 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse6) (< .cse5 1))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse15 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse13 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse15 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse14 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse15))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (forall ((v_ArrVal_751 Int)) (let ((.cse9 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse8 (store (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_745)))) (let ((.cse10 (store (select .cse11 |c_ULTIMATE.start_main_~a~0#1.base|) .cse9 v_ArrVal_746))) (store .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse12 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse12 (- 34359738368))) (select .cse10 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse12 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse8 .cse9))) (= (select .cse8 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse13 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse13) (<= .cse14 2147483648) (<= 4294967297 .cse14))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse23 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse21 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse22 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse23))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse16 (store (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_745)))) (let ((.cse18 (store (select .cse19 |c_ULTIMATE.start_main_~a~0#1.base|) .cse17 v_ArrVal_746))) (store .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse20 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse19 |c_ULTIMATE.start_main_~a~0#1.base| .cse18) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse20 (- 34359738368))) (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse20 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse16 .cse17))) (= (select .cse16 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse21 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse21) (<= .cse22 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse22)))))) (< (let ((.cse24 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse24) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse24 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746))) (< 2147483647 .cse25)) (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int)) (or (< (let ((.cse26 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse27 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse34 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse28 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse34))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse27 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse27) (<= .cse28 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (forall ((v_ArrVal_751 Int)) (let ((.cse30 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse29 (store (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse31 (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) .cse30 v_ArrVal_746))) (store .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse32 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32 (- 34359738368))) (select (select (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse29 .cse30))))))) (<= 4294967297 .cse28))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse42 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse36 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse42 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse35 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse42))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 2147483648 .cse35) (< .cse36 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse36) (< .cse35 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (forall ((v_ArrVal_751 Int)) (let ((.cse38 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse37 (store (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse39 (store (select .cse40 |c_ULTIMATE.start_main_~a~0#1.base|) .cse38 v_ArrVal_746))) (store .cse39 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse41 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse41)) (select .cse39 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse41)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse37 .cse38))) (= (select .cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse50 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse44 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse50 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse43 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse50))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse43) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse44 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse44) (forall ((v_ArrVal_751 Int)) (let ((.cse46 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse45 (store (let ((.cse48 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse47 (store (select .cse48 |c_ULTIMATE.start_main_~a~0#1.base|) .cse46 v_ArrVal_746))) (store .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse49 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse48 |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse49)) (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse49)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse45 .cse46))) (= (select .cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse43 1)))))))) (<= .cse25 2147483647))))) is different from true [2021-12-17 02:05:28,222 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (<= c_~N~0 .cse0) (< (+ |c_ULTIMATE.start_main_~i~0#1| 2) c_~N~0) (<= c_~N~0 2) (let ((.cse26 (mod .cse0 4294967296))) (and (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse6 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse7 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse8))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse1 (store (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse3 (store (select .cse5 |c_ULTIMATE.start_main_~a~0#1.base|) .cse2 v_ArrVal_746))) (store .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse4 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse4 (- 34359738368))) (select (select (store .cse5 |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse4 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse1 .cse2))))))) (< .cse6 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse6) (<= .cse7 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse7))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse16 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse10 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse16 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse9 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse16))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse9) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse10 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse10) (< .cse9 1) (forall ((v_ArrVal_751 Int)) (let ((.cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse11 (store (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse13 (store (select .cse14 |c_ULTIMATE.start_main_~a~0#1.base|) .cse12 v_ArrVal_746))) (store .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse15 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse14 |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse15)) (select .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse15)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse11 .cse12))) (= (select .cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse24 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse22 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse24 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse23 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse24))) (or (forall ((v_ArrVal_751 Int)) (let ((.cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse17 (store (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse19 (store (select .cse21 |c_ULTIMATE.start_main_~a~0#1.base|) .cse18 v_ArrVal_746))) (store .cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse20 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse19 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse20 (- 34359738368))) (select (select (store .cse21 |c_ULTIMATE.start_main_~a~0#1.base| .cse19) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse20 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse17 .cse18))) (= (select .cse17 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse22 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse22) (<= .cse23 2147483648) (<= 4294967297 .cse23)))))) (< (let ((.cse25 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745))) (+ (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) v_ArrVal_746))) (< 2147483647 .cse26)) (or (<= .cse26 2147483647) (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse34 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse27 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse34 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse28 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse34))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse27 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse27) (<= .cse28 2147483648) (forall ((v_ArrVal_751 Int)) (let ((.cse30 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse29 (store (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse31 (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) .cse30 v_ArrVal_746))) (store .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse32 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse32 (- 34359738368))) (select (select (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| .cse31) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse32 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse29 .cse30))) (= (select .cse29 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse28))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse42 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse41 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse42 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse35 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse42))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 2147483648 .cse35) (forall ((v_ArrVal_751 Int)) (let ((.cse37 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse36 (store (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse38 (store (select .cse40 |c_ULTIMATE.start_main_~a~0#1.base|) .cse37 v_ArrVal_746))) (store .cse38 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse39 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse38 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse39)) (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| .cse38) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse39)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse36 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse36 .cse37))))))) (< .cse41 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse41) (< .cse35 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse50 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse44 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse50 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse43 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse50))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse43) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse44 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse44) (< .cse43 1) (forall ((v_ArrVal_751 Int)) (let ((.cse46 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse45 (store (let ((.cse49 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse47 (store (select .cse49 |c_ULTIMATE.start_main_~a~0#1.base|) .cse46 v_ArrVal_746))) (store .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse48 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse47 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse48)) (select (select (store .cse49 |c_ULTIMATE.start_main_~a~0#1.base| .cse47) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse48)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse45 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse45 .cse46)))))))))))) (< (let ((.cse51 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse51) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746)))))))) is different from true [2021-12-17 02:08:44,782 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse55 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (or (let ((.cse56 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse9 (<= .cse56 2147483647)) (.cse10 (< 2147483647 .cse56)) (.cse28 (mod .cse55 4294967296))) (and (or (and (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse0 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse8 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse1 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse8 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse2 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse8))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse1 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse1) (<= .cse2 2147483648) (forall ((v_ArrVal_751 Int)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse3 (store (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse5 (store (select .cse6 |c_ULTIMATE.start_main_~a~0#1.base|) .cse4 v_ArrVal_746))) (store .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse7 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse6 |c_ULTIMATE.start_main_~a~0#1.base| .cse5) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse7 (- 34359738368))) (select .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse7 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse3 .cse4))) (= (select .cse3 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse2))))))) .cse9) (or .cse10 (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse11 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745))) (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) v_ArrVal_746) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse19 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse17 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse18 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse19))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse12 (store (let ((.cse15 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse14 (store (select .cse15 |c_ULTIMATE.start_main_~a~0#1.base|) .cse13 v_ArrVal_746))) (store .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse16 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse15 |c_ULTIMATE.start_main_~a~0#1.base| .cse14) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse16 (- 34359738368))) (select .cse14 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse16 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse12 .cse13))))))) (< .cse17 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse17) (<= .cse18 2147483648) (<= 4294967297 .cse18))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse27 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse21 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse20 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse27))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse20) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse21 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse21) (< .cse20 1) (forall ((v_ArrVal_751 Int)) (let ((.cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse22 (store (let ((.cse26 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse24 (store (select .cse26 |c_ULTIMATE.start_main_~a~0#1.base|) .cse23 v_ArrVal_746))) (store .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse25 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse24 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse25)) (select (select (store .cse26 |c_ULTIMATE.start_main_~a~0#1.base| .cse24) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse25)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse22 .cse23))) (= (select .cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))))))))))))) (< 2147483647 .cse28)) (or (and (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse36 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse29 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse36 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse35 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse36))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse29 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse29) (forall ((v_ArrVal_751 Int)) (let ((.cse31 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse30 (store (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse32 (store (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|) .cse31 v_ArrVal_746))) (store .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse34 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse34 (- 34359738368))) (select .cse32 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse34 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse30 .cse31))) (= (select .cse30 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (<= .cse35 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse35))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse44 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse38 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse44 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse37 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse44))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 2147483648 .cse37) (< .cse38 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse38) (< .cse37 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (forall ((v_ArrVal_751 Int)) (let ((.cse40 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse39 (store (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse41 (store (select .cse43 |c_ULTIMATE.start_main_~a~0#1.base|) .cse40 v_ArrVal_746))) (store .cse41 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse42 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse41 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse42)) (select (select (store .cse43 |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse42)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse39 .cse40))) (= (select .cse39 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9))))))))))) (< (let ((.cse45 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746))) .cse9) (or .cse10 (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse46 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse46) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) v_ArrVal_746) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse48 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse54 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse47 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse54))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse47) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse48 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse48) (forall ((v_ArrVal_751 Int)) (let ((.cse50 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse49 (store (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse51 (store (select .cse52 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50 v_ArrVal_746))) (store .cse51 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse53 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse53)) (select .cse51 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse53)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse49 .cse50))) (= (select .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse47 1))))))))) (<= .cse28 2147483647))))) (<= c_~N~0 .cse55) (< (+ |c_ULTIMATE.start_main_~i~0#1| 2) c_~N~0) (<= c_~N~0 2))) is different from true [2021-12-17 02:09:31,687 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 2))) (or (<= c_~N~0 .cse0) (let ((.cse56 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse1 (< 2147483647 .cse56)) (.cse19 (<= .cse56 2147483647)) (.cse29 (mod .cse0 4294967296))) (and (or (and (or .cse1 (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse2 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse2) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746) (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse10 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse3 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse10 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse4 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse10))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse3 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse3) (<= .cse4 2147483648) (forall ((v_ArrVal_751 Int)) (let ((.cse6 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse5 (store (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse7 (store (select .cse8 |c_ULTIMATE.start_main_~a~0#1.base|) .cse6 v_ArrVal_746))) (store .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse9 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse8 |c_ULTIMATE.start_main_~a~0#1.base| .cse7) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse9 (- 34359738368))) (select .cse7 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse9 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse5 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse5 .cse6))))))) (<= 4294967297 .cse4))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse18 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse17 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse18 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse16 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse18))) (or (forall ((v_ArrVal_751 Int)) (let ((.cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse11 (store (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse13 (store (select .cse14 |c_ULTIMATE.start_main_~a~0#1.base|) .cse12 v_ArrVal_746))) (store .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse15 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse14 |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse15)) (select .cse13 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse15)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse11 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse11 .cse12))))))) (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse16) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse17 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse17) (< .cse16 1))))))))) (or .cse19 (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse20 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8)) v_ArrVal_745))) (+ (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) v_ArrVal_746) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse28 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse26 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse28 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse27 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse28))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (forall ((v_ArrVal_751 Int)) (let ((.cse22 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse21 (store (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8)) v_ArrVal_745)))) (let ((.cse23 (store (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|) .cse22 v_ArrVal_746))) (store .cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse25 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse25 (- 34359738368))) (select .cse23 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse25 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse21 .cse22))) (= (select .cse21 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))) (< .cse26 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse26) (<= .cse27 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (<= 4294967297 .cse27))))))))) (< 2147483647 .cse29)) (or (and (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (< (let ((.cse30 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse30) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) 2)) v_ArrVal_746) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse38 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse32 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse38 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse31 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse38))) (or (< |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 0) (< 2147483648 .cse31) (< 2147483647 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse32 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse32) (< .cse31 1) (forall ((v_ArrVal_751 Int)) (let ((.cse34 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse33 (store (let ((.cse37 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse35 (store (select .cse37 |c_ULTIMATE.start_main_~a~0#1.base|) .cse34 v_ArrVal_746))) (store .cse35 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8)) (let ((.cse36 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse35 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse36)) (select (select (store .cse37 |c_ULTIMATE.start_main_~a~0#1.base| .cse35) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse36)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse33 .cse34))) (= (select .cse33 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))))))))) .cse1) (or (forall ((v_ArrVal_746 Int) (v_ArrVal_745 Int) (v_ArrVal_743 Int)) (or (and (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse46 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse40 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse46 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse39 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse46))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< 2147483648 .cse39) (< .cse40 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse40) (< .cse39 1) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (forall ((v_ArrVal_751 Int)) (let ((.cse42 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse41 (store (let ((.cse45 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse43 (store (select .cse45 |c_ULTIMATE.start_main_~a~0#1.base|) .cse42 v_ArrVal_746))) (store .cse43 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse44 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select .cse43 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse44)) (select (select (store .cse45 |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse44)) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (not (= (+ c_~N~0 4) (select .cse41 .cse42))) (= (select .cse41 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)))))))))) (forall ((|aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| Int) (|aux_div_ULTIMATE.start_main_~i~0#1_60| Int)) (let ((.cse54 (* 4294967296 |aux_div_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|))) (let ((.cse47 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse54 (* 4294967296 |aux_div_ULTIMATE.start_main_~i~0#1_60|))) (.cse48 (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| .cse54))) (or (<= 4294967296 |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62|) (< .cse47 (+ c_~N~0 4294967294)) (<= (+ c_~N~0 4294967295) .cse47) (<= .cse48 2147483648) (<= |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 2147483647) (forall ((v_ArrVal_751 Int)) (let ((.cse50 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 8))) (let ((.cse49 (store (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8) (- 34359738368)) v_ArrVal_745)))) (let ((.cse51 (store (select .cse52 |c_ULTIMATE.start_main_~a~0#1.base|) .cse50 v_ArrVal_746))) (store .cse51 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967296) 8) (- 34359738368)) (let ((.cse53 (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 4294967295) 4294967296) 8))) (+ (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| .cse53 (- 34359738368))) (select .cse51 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse53 (- 34359738368))) 2))))) (+ |c_ULTIMATE.start_main_~a~0#1.offset| (* (mod (+ |aux_mod_aux_mod_ULTIMATE.start_main_~i~0#1_60_62| 1) 4294967296) 8)) v_ArrVal_751))) (or (= (select .cse49 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 16)) (+ c_~N~0 9)) (not (= (+ c_~N~0 4) (select .cse49 .cse50))))))) (<= 4294967297 .cse48)))))) (< (let ((.cse55 (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8) (- 34359738368)) v_ArrVal_743) (+ |c_ULTIMATE.start_main_~b~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 2) 4294967296) 8) (- 34359738368)) v_ArrVal_745))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse55) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|) 2)) v_ArrVal_746))) .cse19)) (<= .cse29 2147483647))))) (< (+ |c_ULTIMATE.start_main_~i~0#1| 3) c_~N~0) (<= c_~N~0 2))) is different from true Killed by 15