./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:51:35,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:51:35,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:51:35,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:51:35,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:51:35,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:51:35,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:51:35,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:51:35,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:51:35,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:51:35,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:51:35,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:51:35,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:51:35,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:51:35,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:51:35,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:51:35,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:51:35,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:51:35,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:51:35,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:51:35,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:51:35,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:51:35,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:51:35,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:51:35,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:51:35,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:51:35,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:51:35,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:51:35,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:51:35,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:51:35,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:51:35,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:51:35,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:51:35,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:51:35,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:51:35,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:51:35,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:51:35,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:51:35,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:51:35,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:51:35,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:51:35,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:51:35,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:51:35,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:51:35,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:51:35,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:51:35,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:51:35,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:51:35,632 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:51:35,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:51:35,632 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:51:35,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:51:35,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:51:35,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:51:35,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:51:35,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:51:35,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:51:35,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:51:35,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:51:35,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:51:35,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:51:35,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:51:35,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:51:35,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:51:35,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:51:35,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:51:35,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:51:35,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:51:35,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:51:35,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:51:35,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:51:35,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:51:35,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:51:35,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:51:35,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-11-06 22:51:35,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:51:35,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:51:35,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:51:35,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:51:35,885 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:51:35,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-06 22:51:35,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a215f02de/c4e240f57f244b109c82cf254169a5f9/FLAG443ac751e [2021-11-06 22:51:36,502 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:51:36,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-06 22:51:36,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a215f02de/c4e240f57f244b109c82cf254169a5f9/FLAG443ac751e [2021-11-06 22:51:36,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a215f02de/c4e240f57f244b109c82cf254169a5f9 [2021-11-06 22:51:36,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:51:36,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:51:36,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:51:36,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:51:36,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:51:36,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:36" (1/1) ... [2021-11-06 22:51:36,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc60cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:36, skipping insertion in model container [2021-11-06 22:51:36,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:36" (1/1) ... [2021-11-06 22:51:36,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:51:37,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:51:37,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-06 22:51:37,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-06 22:51:37,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:51:37,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:51:37,506 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-06 22:51:37,573 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-06 22:51:37,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:51:37,634 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:51:37,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37 WrapperNode [2021-11-06 22:51:37,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:51:37,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:51:37,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:51:37,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:51:37,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:51:37,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:51:37,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:51:37,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:51:37,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:51:37,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:51:37,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:51:37,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:51:37,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (1/1) ... [2021-11-06 22:51:37,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:51:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:37,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 22:51:37,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 22:51:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:51:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:51:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:51:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:51:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:51:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:51:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:51:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:51:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:51:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:51:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:51:39,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:51:39,008 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 22:51:39,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:39 BoogieIcfgContainer [2021-11-06 22:51:39,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:51:39,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:51:39,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:51:39,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:51:39,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:51:36" (1/3) ... [2021-11-06 22:51:39,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df919c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:39, skipping insertion in model container [2021-11-06 22:51:39,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:37" (2/3) ... [2021-11-06 22:51:39,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df919c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:39, skipping insertion in model container [2021-11-06 22:51:39,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:39" (3/3) ... [2021-11-06 22:51:39,020 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-11-06 22:51:39,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:51:39,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 22:51:39,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:51:39,087 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 22:51:39,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 22:51:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:51:39,107 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:39,107 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:39,108 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:39,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 22:51:39,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:39,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370801593] [2021-11-06 22:51:39,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:39,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:39,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:39,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370801593] [2021-11-06 22:51:39,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370801593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:39,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:39,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:51:39,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069768030] [2021-11-06 22:51:39,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:51:39,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:51:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:51:39,266 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:39,299 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 22:51:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:51:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 22:51:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:39,309 INFO L225 Difference]: With dead ends: 460 [2021-11-06 22:51:39,309 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 22:51:39,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:51:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 22:51:39,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 22:51:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 22:51:39,358 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 22:51:39,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:39,359 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 22:51:39,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 22:51:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 22:51:39,360 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:39,360 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:39,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:51:39,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:39,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 22:51:39,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:39,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143681518] [2021-11-06 22:51:39,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:39,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:39,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:39,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143681518] [2021-11-06 22:51:39,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143681518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:39,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:39,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:51:39,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985288284] [2021-11-06 22:51:39,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:51:39,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:51:39,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:51:39,450 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:39,763 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 22:51:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:51:39,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 22:51:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:39,765 INFO L225 Difference]: With dead ends: 445 [2021-11-06 22:51:39,765 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 22:51:39,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:51:39,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 22:51:39,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 22:51:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 22:51:39,787 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 22:51:39,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:39,787 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 22:51:39,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 22:51:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:51:39,790 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:39,791 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:39,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:51:39,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:39,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 22:51:39,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:39,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197904821] [2021-11-06 22:51:39,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:39,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:39,827 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:39,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796491918] [2021-11-06 22:51:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:39,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:39,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:39,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 22:51:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:40,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:51:40,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:40,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:40,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197904821] [2021-11-06 22:51:40,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:40,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796491918] [2021-11-06 22:51:40,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796491918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:40,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:40,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:51:40,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145439372] [2021-11-06 22:51:40,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:51:40,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:40,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:51:40,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:40,217 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:40,278 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 22:51:40,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:51:40,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:51:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:40,281 INFO L225 Difference]: With dead ends: 417 [2021-11-06 22:51:40,281 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 22:51:40,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:40,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 22:51:40,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 22:51:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 22:51:40,292 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 22:51:40,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:40,292 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 22:51:40,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 22:51:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:51:40,294 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:40,294 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:40,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:40,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:40,512 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 22:51:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:40,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071042896] [2021-11-06 22:51:40,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:40,534 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:40,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687407738] [2021-11-06 22:51:40,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:40,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:40,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:40,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 22:51:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:40,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:51:40,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:40,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:40,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071042896] [2021-11-06 22:51:40,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:40,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687407738] [2021-11-06 22:51:40,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687407738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:40,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:40,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:51:40,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389093923] [2021-11-06 22:51:40,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:51:40,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:51:40,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:51:40,884 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:40,964 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 22:51:40,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:51:40,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:51:40,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:40,966 INFO L225 Difference]: With dead ends: 428 [2021-11-06 22:51:40,966 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 22:51:40,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:51:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 22:51:40,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 22:51:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 22:51:40,982 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 22:51:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:40,983 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 22:51:40,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:40,983 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 22:51:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:51:40,989 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:40,989 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:41,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:41,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 22:51:41,204 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 22:51:41,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:41,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789033912] [2021-11-06 22:51:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:41,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:41,221 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:41,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373017584] [2021-11-06 22:51:41,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:41,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:41,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:41,223 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:41,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 22:51:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:41,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:51:41,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:41,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:41,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789033912] [2021-11-06 22:51:41,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:41,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373017584] [2021-11-06 22:51:41,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373017584] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:41,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:41,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:51:41,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397256532] [2021-11-06 22:51:41,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:51:41,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:41,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:51:41,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:41,788 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:41,848 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 22:51:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:51:41,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:51:41,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:41,852 INFO L225 Difference]: With dead ends: 542 [2021-11-06 22:51:41,852 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 22:51:41,852 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:41,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 22:51:41,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 22:51:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 22:51:41,860 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 22:51:41,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:41,861 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 22:51:41,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 22:51:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 22:51:41,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:41,862 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:41,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:42,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:42,092 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:42,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 22:51:42,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:42,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097419240] [2021-11-06 22:51:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:42,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:42,113 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:42,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718776563] [2021-11-06 22:51:42,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:42,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:42,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:42,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:42,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 22:51:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:42,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:51:42,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:42,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:51:42,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 22:51:42,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:51:42,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:42,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097419240] [2021-11-06 22:51:42,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:42,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718776563] [2021-11-06 22:51:42,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718776563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:42,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:42,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:51:42,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627012074] [2021-11-06 22:51:42,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:51:42,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:51:42,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:51:42,563 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:43,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:43,481 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 22:51:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:51:43,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 22:51:43,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:43,484 INFO L225 Difference]: With dead ends: 421 [2021-11-06 22:51:43,484 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 22:51:43,484 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:51:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 22:51:43,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 22:51:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 22:51:43,493 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 22:51:43,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:43,495 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 22:51:43,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 22:51:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:51:43,496 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:43,497 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:43,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:43,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:43,697 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:43,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 22:51:43,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:43,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70757693] [2021-11-06 22:51:43,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:43,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:43,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:43,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666636028] [2021-11-06 22:51:43,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:43,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:43,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:43,727 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:43,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 22:51:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:43,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:51:43,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:51:44,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:44,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70757693] [2021-11-06 22:51:44,153 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:44,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666636028] [2021-11-06 22:51:44,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666636028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:44,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:44,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:51:44,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576529686] [2021-11-06 22:51:44,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:51:44,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:51:44,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:44,159 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:44,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:44,225 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 22:51:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:51:44,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:51:44,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:44,227 INFO L225 Difference]: With dead ends: 525 [2021-11-06 22:51:44,227 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 22:51:44,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:51:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 22:51:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 22:51:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 22:51:44,238 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 22:51:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:44,239 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 22:51:44,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 22:51:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:51:44,245 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:44,245 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:44,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:44,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:44,464 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:44,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 22:51:44,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:44,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071866593] [2021-11-06 22:51:44,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:44,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:44,485 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:44,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76544476] [2021-11-06 22:51:44,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:44,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:44,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:44,490 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:44,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 22:51:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:44,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:51:44,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:51:44,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:44,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071866593] [2021-11-06 22:51:44,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:44,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76544476] [2021-11-06 22:51:44,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76544476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:44,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:44,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:51:44,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312029873] [2021-11-06 22:51:44,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:51:44,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:44,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:51:44,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:51:44,954 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:45,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:45,012 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 22:51:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:51:45,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:51:45,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:45,015 INFO L225 Difference]: With dead ends: 540 [2021-11-06 22:51:45,015 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 22:51:45,015 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:51:45,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 22:51:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 22:51:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 22:51:45,023 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 22:51:45,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:45,023 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 22:51:45,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 22:51:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:51:45,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:45,024 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:45,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:45,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:45,236 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:45,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 22:51:45,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:45,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189254249] [2021-11-06 22:51:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:45,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:45,249 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:45,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1126986769] [2021-11-06 22:51:45,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:45,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:45,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:45,251 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:45,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 22:51:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:45,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:51:45,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:51:45,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:51:45,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189254249] [2021-11-06 22:51:45,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:51:45,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126986769] [2021-11-06 22:51:45,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126986769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:51:45,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:51:45,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:51:45,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039191506] [2021-11-06 22:51:45,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:51:45,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:51:45,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:51:45,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:51:45,781 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:46,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:51:46,003 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 22:51:46,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:51:46,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:51:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:51:46,006 INFO L225 Difference]: With dead ends: 740 [2021-11-06 22:51:46,006 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 22:51:46,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:51:46,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 22:51:46,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 22:51:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 22:51:46,017 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 22:51:46,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:51:46,017 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 22:51:46,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:51:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 22:51:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:51:46,018 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:51:46,018 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:51:46,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 22:51:46,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:46,231 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:51:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:51:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 22:51:46,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:51:46,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554779929] [2021-11-06 22:51:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:46,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:51:46,245 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:51:46,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105275649] [2021-11-06 22:51:46,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:51:46,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:51:46,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:51:46,246 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:51:46,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 22:51:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:51:46,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:51:46,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:51:46,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:51:46,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 22:51:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:46,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 22:51:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:46,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 22:51:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 22:51:47,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 22:51:47,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 22:51:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 22:51:47,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 22:51:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:47,868 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:51:47,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 22:51:47,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 22:51:49,272 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:51:49,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-06 22:51:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:53,021 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 22:51:53,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 22:51:53,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:53,816 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:51:53,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-06 22:51:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:54,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 22:51:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:54,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 22:51:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:51:55,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 22:51:55,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:51:55,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:51:55,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:29,298 WARN L207 SmtUtils]: Spent 4.56 m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 22:56:29,300 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 22:56:29,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 22:56:32,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 22:56:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,255 INFO L244 Elim1Store]: Index analysis took 214 ms [2021-11-06 22:56:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:34,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:56:34,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 22:56:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:39,362 INFO L244 Elim1Store]: Index analysis took 3621 ms [2021-11-06 22:56:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:39,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:40,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:40,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:41,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:41,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:42,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:42,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:42,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:56:42,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 22:56:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:43,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:43,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:44,317 INFO L244 Elim1Store]: Index analysis took 1445 ms [2021-11-06 22:56:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:44,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:45,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:45,959 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:56:45,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 22:56:46,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:56:46,367 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:56:46,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 22:57:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:05,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:05,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:05,161 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 22:57:05,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 22:57:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:23,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:23,847 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 22:57:23,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 22:57:29,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:29,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:29,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:29,929 INFO L244 Elim1Store]: Index analysis took 440 ms [2021-11-06 22:57:29,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:30,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 22:57:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,187 INFO L244 Elim1Store]: Index analysis took 702 ms [2021-11-06 22:57:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,620 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:31,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 22:57:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,222 INFO L244 Elim1Store]: Index analysis took 483 ms [2021-11-06 22:57:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:32,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 22:57:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,193 INFO L244 Elim1Store]: Index analysis took 342 ms [2021-11-06 22:57:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:33,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:33,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 22:57:35,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,677 INFO L244 Elim1Store]: Index analysis took 271 ms [2021-11-06 22:57:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:35,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:35,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 22:57:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,380 INFO L244 Elim1Store]: Index analysis took 343 ms [2021-11-06 22:57:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:36,648 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:36,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 22:57:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,375 INFO L244 Elim1Store]: Index analysis took 299 ms [2021-11-06 22:57:37,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,713 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:37,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 22:57:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:37,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,166 INFO L244 Elim1Store]: Index analysis took 326 ms [2021-11-06 22:57:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:38,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 22:57:38,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:38,431 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:57:38,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 22:57:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:38,673 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:57:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 22:57:38,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:38,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:38,917 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:57:38,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 22:57:38,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:38,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,069 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:57:39,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 22:57:39,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:39,139 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 22:57:39,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 22:57:39,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,205 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:57:39,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 22:57:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:39,321 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 22:57:39,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 22:57:39,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:39,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,376 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:57:39,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 22:57:39,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:39,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:39,436 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:57:39,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 22:57:40,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,209 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 22:57:40,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 22:57:40,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,779 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 22:57:40,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 22:57:40,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:40,999 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 22:57:40,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 22:57:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,034 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 22:57:41,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 22:57:41,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,607 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 22:57:41,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 22:57:41,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:41,769 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 22:57:41,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 22:57:41,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:57:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:57:41,801 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 22:57:41,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 22:57:42,435 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 22:57:42,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 22:57:42,449 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 22:57:42,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 22:57:42,468 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:57:42,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 22:57:42,563 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 22:57:42,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 22:57:58,471 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 22:57:58,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 22:58:24,109 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 22:58:24,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 22:58:27,733 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 22:58:27,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 22:58:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:58:27,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:58:27,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554779929] [2021-11-06 22:58:27,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:58:27,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105275649] [2021-11-06 22:58:27,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105275649] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:58:27,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 22:58:27,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 22:58:27,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195725787] [2021-11-06 22:58:27,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 22:58:27,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:58:27,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 22:58:27,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 22:58:27,831 INFO L87 Difference]: Start difference. First operand 410 states and 497 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:58:45,459 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2021-11-06 22:58:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 22:58:45,460 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 22:58:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:58:45,462 INFO L225 Difference]: With dead ends: 708 [2021-11-06 22:58:45,462 INFO L226 Difference]: Without dead ends: 440 [2021-11-06 22:58:45,463 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 22:58:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-06 22:58:45,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-06 22:58:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 426 states have (on average 1.2300469483568075) internal successors, (524), 431 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2021-11-06 22:58:45,473 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 110 [2021-11-06 22:58:45,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:58:45,473 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2021-11-06 22:58:45,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2021-11-06 22:58:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:58:45,474 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:58:45,474 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:58:45,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 22:58:45,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 22:58:45,688 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:58:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:58:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash 107832188, now seen corresponding path program 1 times [2021-11-06 22:58:45,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:58:45,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888695465] [2021-11-06 22:58:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:58:45,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:58:45,711 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:58:45,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661308386] [2021-11-06 22:58:45,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:58:45,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:58:45,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:58:45,713 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:58:45,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 22:58:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:58:46,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:58:46,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:58:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:58:46,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:58:46,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888695465] [2021-11-06 22:58:46,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:58:46,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661308386] [2021-11-06 22:58:46,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661308386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:58:46,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:58:46,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:58:46,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655687895] [2021-11-06 22:58:46,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:58:46,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:58:46,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:58:46,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:58:46,519 INFO L87 Difference]: Start difference. First operand 432 states and 524 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:46,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:58:46,561 INFO L93 Difference]: Finished difference Result 789 states and 962 transitions. [2021-11-06 22:58:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:58:46,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 22:58:46,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:58:46,564 INFO L225 Difference]: With dead ends: 789 [2021-11-06 22:58:46,564 INFO L226 Difference]: Without dead ends: 411 [2021-11-06 22:58:46,568 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:58:46,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-06 22:58:46,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2021-11-06 22:58:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 405 states have (on average 1.2296296296296296) internal successors, (498), 410 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2021-11-06 22:58:46,577 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 110 [2021-11-06 22:58:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:58:46,578 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2021-11-06 22:58:46,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:58:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2021-11-06 22:58:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 22:58:46,579 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:58:46,579 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:58:46,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 22:58:46,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:58:46,788 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:58:46,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:58:46,788 INFO L85 PathProgramCache]: Analyzing trace with hash -949874449, now seen corresponding path program 1 times [2021-11-06 22:58:46,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:58:46,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699450396] [2021-11-06 22:58:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:58:46,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:58:46,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:58:46,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325111759] [2021-11-06 22:58:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:58:46,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:58:46,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:58:46,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:58:46,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 22:58:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:58:47,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 22:58:47,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:58:47,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 22:58:47,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:58:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:47,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 22:58:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:47,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 22:58:48,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 22:58:48,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 22:58:48,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 22:58:48,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 22:58:48,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 22:58:48,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 22:58:48,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:48,920 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:58:48,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 22:58:49,094 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 22:58:49,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 22:58:49,116 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 22:58:49,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 22:58:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:49,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:49,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:49,196 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 22:58:49,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 22:58:52,025 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 22:58:52,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 22:58:52,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,564 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 22:58:56,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 3434 treesize of output 3115 [2021-11-06 22:58:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:58:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:58:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:03,471 WARN L207 SmtUtils]: Spent 6.84 s on a formula simplification. DAG size of input: 541 DAG size of output: 149 [2021-11-06 22:59:03,472 INFO L354 Elim1Store]: treesize reduction 10081, result has 5.9 percent of original size [2021-11-06 22:59:03,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 3734 treesize of output 2403 [2021-11-06 22:59:23,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,232 INFO L244 Elim1Store]: Index analysis took 245 ms [2021-11-06 22:59:23,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 418 [2021-11-06 22:59:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:23,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,616 INFO L244 Elim1Store]: Index analysis took 267 ms [2021-11-06 22:59:23,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 889 treesize of output 407 [2021-11-06 22:59:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-06 22:59:23,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:23,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2021-11-06 22:59:23,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,143 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-06 22:59:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 408 [2021-11-06 22:59:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,368 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-06 22:59:24,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 2773 treesize of output 1918 [2021-11-06 22:59:24,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-06 22:59:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:24,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:59:24,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 85 [2021-11-06 22:59:24,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:59:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:28,618 WARN L207 SmtUtils]: Spent 5.06 m on a formula simplification. DAG size of input: 1408 DAG size of output: 355 [2021-11-06 23:04:28,619 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-06 23:04:28,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 324561 treesize of output 144817 [2021-11-06 23:04:29,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:04:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,334 INFO L244 Elim1Store]: Index analysis took 1718 ms [2021-11-06 23:04:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:33,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:04:33,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1363 treesize of output 615 [2021-11-06 23:04:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:37,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:37,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:37,935 INFO L244 Elim1Store]: Index analysis took 2274 ms [2021-11-06 23:04:38,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:38,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:38,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:39,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:39,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:04:39,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:04:39,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1247 treesize of output 557 Killed by 15