./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_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_SFH_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 d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-07 00:27:18,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:27:18,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:27:19,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:27:19,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:27:19,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:27:19,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:27:19,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:27:19,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:27:19,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:27:19,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:27:19,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:27:19,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:27:19,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:27:19,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:27:19,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:27:19,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:27:19,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:27:19,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:27:19,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:27:19,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:27:19,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:27:19,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:27:19,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:27:19,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:27:19,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:27:19,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:27:19,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:27:19,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:27:19,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:27:19,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:27:19,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:27:19,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:27:19,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:27:19,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:27:19,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:27:19,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:27:19,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:27:19,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:27:19,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:27:19,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:27:19,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:27:19,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:27:19,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:27:19,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:27:19,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:27:19,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:27:19,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:27:19,086 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:27:19,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:27:19,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:27:19,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:27:19,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:27:19,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:27:19,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:27:19,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:27:19,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:27:19,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:27:19,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:27:19,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:27:19,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:27:19,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:27:19,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:27:19,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:27:19,091 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:27:19,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:27:19,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:27:19,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:27:19,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2021-11-07 00:27:19,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:27:19,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:27:19,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:27:19,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:27:19,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:27:19,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2021-11-07 00:27:19,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f7d475e/7b66356649174945ab748c83e82882c9/FLAG42015083a [2021-11-07 00:27:19,695 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:27:19,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2021-11-07 00:27:19,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f7d475e/7b66356649174945ab748c83e82882c9/FLAG42015083a [2021-11-07 00:27:20,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f7d475e/7b66356649174945ab748c83e82882c9 [2021-11-07 00:27:20,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:27:20,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:27:20,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:27:20,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:27:20,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:27:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7357251f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20, skipping insertion in model container [2021-11-07 00:27:20,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:27:20,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:27:20,360 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_SFH_test3-2.i[33021,33034] [2021-11-07 00:27:20,452 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_SFH_test3-2.i[44590,44603] [2021-11-07 00:27:20,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:27:20,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:27:20,487 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_SFH_test3-2.i[33021,33034] [2021-11-07 00:27:20,526 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_SFH_test3-2.i[44590,44603] [2021-11-07 00:27:20,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:27:20,553 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:27:20,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20 WrapperNode [2021-11-07 00:27:20,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:27:20,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:27:20,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:27:20,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:27:20,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:27:20,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:27:20,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:27:20,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:27:20,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:27:20,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:27:20,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:27:20,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:27:20,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (1/1) ... [2021-11-07 00:27:20,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:27:20,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:20,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:27:20,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:27:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:27:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:27:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:27:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:27:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:27:21,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:27:21,700 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 00:27:21,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:27:21 BoogieIcfgContainer [2021-11-07 00:27:21,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:27:21,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:27:21,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:27:21,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:27:21,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:27:20" (1/3) ... [2021-11-07 00:27:21,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2831a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:27:21, skipping insertion in model container [2021-11-07 00:27:21,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:20" (2/3) ... [2021-11-07 00:27:21,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2831a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:27:21, skipping insertion in model container [2021-11-07 00:27:21,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:27:21" (3/3) ... [2021-11-07 00:27:21,709 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-2.i [2021-11-07 00:27:21,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:27:21,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 00:27:21,740 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:27:21,745 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:27:21,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 00:27:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:27:21,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:21,784 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:27:21,784 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:21,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:21,792 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 00:27:21,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:21,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305467300] [2021-11-07 00:27:21,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:21,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:21,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:21,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305467300] [2021-11-07 00:27:21,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305467300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:21,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:21,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:27:21,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460335835] [2021-11-07 00:27:21,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:27:21,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:27:21,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:27:21,909 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:21,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:21,931 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 00:27:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:27:21,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 00:27:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:21,945 INFO L225 Difference]: With dead ends: 460 [2021-11-07 00:27:21,946 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 00:27:21,950 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 [2021-11-07 00:27:21,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 00:27:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 00:27:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 00:27:22,008 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 00:27:22,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:22,009 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 00:27:22,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,009 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 00:27:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 00:27:22,010 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:22,010 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:27:22,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:27:22,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:22,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:22,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 00:27:22,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:22,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838586901] [2021-11-07 00:27:22,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:22,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:22,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:22,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838586901] [2021-11-07 00:27:22,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838586901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:22,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:22,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:27:22,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893738950] [2021-11-07 00:27:22,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:27:22,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:22,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:27:22,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:27:22,098 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:22,416 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 00:27:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:27:22,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 00:27:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:22,418 INFO L225 Difference]: With dead ends: 445 [2021-11-07 00:27:22,419 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 00:27:22,419 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 [2021-11-07 00:27:22,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 00:27:22,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 00:27:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 00:27:22,426 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 00:27:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:22,426 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 00:27:22,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 00:27:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:27:22,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:22,428 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] [2021-11-07 00:27:22,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:27:22,428 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:22,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 00:27:22,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:22,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460568845] [2021-11-07 00:27:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:22,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:22,442 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:22,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371382509] [2021-11-07 00:27:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:22,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:22,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:22,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:22,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:27:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:22,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:27:22,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:22,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:22,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460568845] [2021-11-07 00:27:22,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:22,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371382509] [2021-11-07 00:27:22,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371382509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:22,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:22,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:27:22,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651975031] [2021-11-07 00:27:22,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:27:22,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:22,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:27:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:27:22,772 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:22,819 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 00:27:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:27:22,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:27:22,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:22,821 INFO L225 Difference]: With dead ends: 417 [2021-11-07 00:27:22,821 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 00:27:22,821 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 [2021-11-07 00:27:22,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 00:27:22,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 00:27:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 00:27:22,838 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 00:27:22,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:22,839 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 00:27:22,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 00:27:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:27:22,845 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:22,845 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] [2021-11-07 00:27:22,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:27:23,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:23,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:23,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:23,056 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 00:27:23,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:23,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761522917] [2021-11-07 00:27:23,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:23,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:23,068 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:23,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753929122] [2021-11-07 00:27:23,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:23,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:23,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:23,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:27:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:23,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:27:23,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:23,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:23,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761522917] [2021-11-07 00:27:23,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:23,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753929122] [2021-11-07 00:27:23,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753929122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:23,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:23,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:27:23,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419168163] [2021-11-07 00:27:23,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:27:23,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:23,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:27:23,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:27:23,356 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:23,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:23,408 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 00:27:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:27:23,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:27:23,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:23,409 INFO L225 Difference]: With dead ends: 428 [2021-11-07 00:27:23,409 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 00:27:23,410 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 [2021-11-07 00:27:23,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 00:27:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 00:27:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 00:27:23,425 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 00:27:23,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:23,426 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 00:27:23,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 00:27:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:27:23,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:23,428 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] [2021-11-07 00:27:23,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 00:27:23,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 00:27:23,635 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:23,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 00:27:23,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:23,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39457876] [2021-11-07 00:27:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:23,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:23,646 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:23,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460999665] [2021-11-07 00:27:23,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:23,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:23,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:23,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:23,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:27:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:23,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:27:23,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:24,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:24,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39457876] [2021-11-07 00:27:24,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:24,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460999665] [2021-11-07 00:27:24,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460999665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:24,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:24,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:27:24,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276446425] [2021-11-07 00:27:24,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:27:24,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:24,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:27:24,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:27:24,045 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:24,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:24,101 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 00:27:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:27:24,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:27:24,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:24,105 INFO L225 Difference]: With dead ends: 542 [2021-11-07 00:27:24,105 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 00:27:24,105 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 [2021-11-07 00:27:24,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 00:27:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 00:27:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 00:27:24,112 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 00:27:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:24,112 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 00:27:24,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 00:27:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 00:27:24,114 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:24,114 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] [2021-11-07 00:27:24,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 00:27:24,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:24,314 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:24,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:24,315 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 00:27:24,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:24,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698509101] [2021-11-07 00:27:24,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:24,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:24,326 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:24,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393428183] [2021-11-07 00:27:24,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:24,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:24,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:24,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:24,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:27:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:24,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:27:24,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:24,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:27:24,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 00:27:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:27:24,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:24,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698509101] [2021-11-07 00:27:24,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:24,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393428183] [2021-11-07 00:27:24,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393428183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:24,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:24,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:27:24,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083275313] [2021-11-07 00:27:24,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:27:24,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:24,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:27:24,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:27:24,668 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:25,524 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 00:27:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:27:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 00:27:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:25,526 INFO L225 Difference]: With dead ends: 421 [2021-11-07 00:27:25,526 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 00:27:25,527 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 [2021-11-07 00:27:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 00:27:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 00:27:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 00:27:25,533 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 00:27:25,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:25,533 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 00:27:25,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 00:27:25,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:27:25,535 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:25,535 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] [2021-11-07 00:27:25,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:27:25,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:25,752 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:25,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 00:27:25,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:25,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959685126] [2021-11-07 00:27:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:25,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:25,763 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:25,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949925689] [2021-11-07 00:27:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:25,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:25,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:25,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:27:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:25,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:27:25,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:26,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:27:26,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:26,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959685126] [2021-11-07 00:27:26,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:26,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949925689] [2021-11-07 00:27:26,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949925689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:26,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:26,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:27:26,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044899872] [2021-11-07 00:27:26,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:27:26,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:26,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:27:26,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:27:26,122 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:26,168 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 00:27:26,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:27:26,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:27:26,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:26,169 INFO L225 Difference]: With dead ends: 525 [2021-11-07 00:27:26,169 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 00:27:26,170 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 [2021-11-07 00:27:26,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 00:27:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 00:27:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 00:27:26,183 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 00:27:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:26,188 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 00:27:26,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 00:27:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:27:26,191 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:26,191 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] [2021-11-07 00:27:26,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:27:26,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:26,408 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:26,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 00:27:26,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:26,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558909367] [2021-11-07 00:27:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:26,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:26,433 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:26,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985394780] [2021-11-07 00:27:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:26,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:26,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:26,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:27:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:26,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:27:26,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:27:26,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:26,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558909367] [2021-11-07 00:27:26,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:26,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985394780] [2021-11-07 00:27:26,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985394780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:26,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:26,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:27:26,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100606487] [2021-11-07 00:27:26,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:27:26,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:27:26,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:27:26,826 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:26,890 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 00:27:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:27:26,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:27:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:26,892 INFO L225 Difference]: With dead ends: 540 [2021-11-07 00:27:26,892 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 00:27:26,895 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 [2021-11-07 00:27:26,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 00:27:26,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 00:27:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 00:27:26,901 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 00:27:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:26,901 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 00:27:26,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 00:27:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:27:26,902 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:26,902 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] [2021-11-07 00:27:26,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:27:27,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:27,117 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:27,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 00:27:27,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:27,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644785783] [2021-11-07 00:27:27,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:27,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:27,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:27,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237160143] [2021-11-07 00:27:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:27,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:27,128 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:27,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:27:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:27,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:27:27,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:27:27,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:27:27,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644785783] [2021-11-07 00:27:27,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:27:27,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237160143] [2021-11-07 00:27:27,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237160143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:27:27,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:27:27,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:27:27,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215516227] [2021-11-07 00:27:27,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:27:27,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:27:27,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:27:27,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:27:27,575 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:27,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:27:27,762 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 00:27:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:27:27,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:27:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:27:27,764 INFO L225 Difference]: With dead ends: 740 [2021-11-07 00:27:27,764 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 00:27:27,765 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 [2021-11-07 00:27:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 00:27:27,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 00:27:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 00:27:27,773 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 00:27:27,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:27:27,773 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 00:27:27,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:27:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 00:27:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:27:27,774 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:27:27,774 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] [2021-11-07 00:27:27,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:27:27,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:27,982 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:27:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:27:27,983 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 00:27:27,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:27:27,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011960806] [2021-11-07 00:27:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:27,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:27:27,998 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:27:27,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356688306] [2021-11-07 00:27:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:27:28,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:27:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:27:28,002 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:27:28,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 00:27:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:27:28,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:27:28,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:27:28,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:27:28,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 00:27:28,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:28,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 00:27:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:28,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:28,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 00:27:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 00:27:29,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 00:27:29,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 00:27:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 00:27:29,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 00:27:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:29,335 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:27:29,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 00:27:29,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 00:27:30,678 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:27:30,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-07 00:27:30,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:30,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:30,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:34,212 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 00:27:34,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-07 00:27:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:34,983 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:27:34,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-07 00:27:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:35,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 00:27:35,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:35,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 00:27:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:27:36,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-07 00:27:36,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:27:36,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:27:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:17,347 WARN L207 SmtUtils]: Spent 4.68 m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-07 00:32:17,348 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 00:32:17,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-07 00:32:19,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:32:21,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,319 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-07 00:32:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:21,476 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:32:21,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-07 00:32:23,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:24,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:27,354 INFO L244 Elim1Store]: Index analysis took 4358 ms [2021-11-07 00:32:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:29,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:30,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:31,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:31,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:31,430 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:32:31,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-07 00:32:31,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:33,439 INFO L244 Elim1Store]: Index analysis took 1680 ms [2021-11-07 00:32:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:33,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:34,915 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:32:34,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-07 00:32:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:35,179 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:32:35,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-07 00:32:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:53,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:32:53,410 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 00:32:53,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-07 00:33:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:12,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:12,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:12,573 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 00:33:12,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-07 00:33:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,400 INFO L244 Elim1Store]: Index analysis took 407 ms [2021-11-07 00:33:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:18,808 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:18,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-07 00:33:19,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,684 INFO L244 Elim1Store]: Index analysis took 744 ms [2021-11-07 00:33:19,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,144 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:20,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-07 00:33:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,805 INFO L244 Elim1Store]: Index analysis took 525 ms [2021-11-07 00:33:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:20,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:21,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-07 00:33:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:21,924 INFO L244 Elim1Store]: Index analysis took 378 ms [2021-11-07 00:33:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:22,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:22,188 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:22,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-07 00:33:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,619 INFO L244 Elim1Store]: Index analysis took 280 ms [2021-11-07 00:33:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:24,865 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:24,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-07 00:33:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,311 INFO L244 Elim1Store]: Index analysis took 348 ms [2021-11-07 00:33:25,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:25,594 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:25,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-07 00:33:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,275 INFO L244 Elim1Store]: Index analysis took 244 ms [2021-11-07 00:33:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:26,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-07 00:33:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,076 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-07 00:33:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,196 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:27,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-07 00:33:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,353 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:33:27,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-07 00:33:27,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,560 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:33:27,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-07 00:33:27,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,755 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:33:27,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-07 00:33:27,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,893 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:33:27,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-07 00:33:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:27,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,962 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 00:33:27,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-07 00:33:27,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:28,031 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:33:28,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-07 00:33:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:28,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:28,148 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 00:33:28,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-07 00:33:28,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:28,207 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:33:28,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-07 00:33:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:28,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:28,261 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:33:28,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-07 00:33:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,111 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 00:33:29,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-07 00:33:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,737 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 00:33:29,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-07 00:33:29,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,909 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 00:33:29,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-07 00:33:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:29,940 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 00:33:29,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-07 00:33:30,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,442 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 00:33:30,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-07 00:33:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:30,588 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 00:33:30,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-07 00:33:30,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:33:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:33:30,614 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 00:33:30,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-07 00:33:31,195 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 00:33:31,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-07 00:33:31,210 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 00:33:31,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-07 00:33:31,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:33:31,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-07 00:33:31,311 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:33:31,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-07 00:33:46,795 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 00:33:46,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-07 00:34:12,070 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:34:12,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-07 00:34:15,906 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 00:34:15,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-07 00:34:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:34:16,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:34:16,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011960806] [2021-11-07 00:34:16,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:34:16,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356688306] [2021-11-07 00:34:16,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356688306] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:34:16,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:34:16,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-07 00:34:16,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453965106] [2021-11-07 00:34:16,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:34:16,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:34:16,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:34:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:34:16,004 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) [2021-11-07 00:34:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:34:27,475 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2021-11-07 00:34:27,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 00:34:27,476 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 [2021-11-07 00:34:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:34:27,478 INFO L225 Difference]: With dead ends: 708 [2021-11-07 00:34:27,478 INFO L226 Difference]: Without dead ends: 440 [2021-11-07 00:34:27,478 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-07 00:34:27,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-07 00:34:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-07 00:34:27,485 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) [2021-11-07 00:34:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2021-11-07 00:34:27,486 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 110 [2021-11-07 00:34:27,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:34:27,486 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2021-11-07 00:34:27,487 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) [2021-11-07 00:34:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2021-11-07 00:34:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:34:27,488 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:34:27,488 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] [2021-11-07 00:34:27,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:34:27,700 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 [2021-11-07 00:34:27,700 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)] === [2021-11-07 00:34:27,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:34:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 107832188, now seen corresponding path program 1 times [2021-11-07 00:34:27,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:34:27,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177157121] [2021-11-07 00:34:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:34:27,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:34:27,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:34:27,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1591825939] [2021-11-07 00:34:27,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:34:27,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:34:27,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:34:27,726 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) [2021-11-07 00:34:27,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 00:34:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:34:28,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:34:28,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:34:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:34:28,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:34:28,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177157121] [2021-11-07 00:34:28,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:34:28,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591825939] [2021-11-07 00:34:28,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591825939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:34:28,508 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:34:28,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:34:28,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768487094] [2021-11-07 00:34:28,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:34:28,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:34:28,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:34:28,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:34:28,509 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) [2021-11-07 00:34:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:34:28,545 INFO L93 Difference]: Finished difference Result 789 states and 962 transitions. [2021-11-07 00:34:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:34:28,548 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 [2021-11-07 00:34:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:34:28,549 INFO L225 Difference]: With dead ends: 789 [2021-11-07 00:34:28,549 INFO L226 Difference]: Without dead ends: 411 [2021-11-07 00:34:28,550 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 [2021-11-07 00:34:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-07 00:34:28,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2021-11-07 00:34:28,557 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) [2021-11-07 00:34:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2021-11-07 00:34:28,558 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 110 [2021-11-07 00:34:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:34:28,558 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2021-11-07 00:34:28,558 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) [2021-11-07 00:34:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2021-11-07 00:34:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:34:28,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:34:28,559 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] [2021-11-07 00:34:28,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-07 00:34:28,772 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 [2021-11-07 00:34:28,773 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)] === [2021-11-07 00:34:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:34:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash -949874449, now seen corresponding path program 1 times [2021-11-07 00:34:28,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:34:28,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611409143] [2021-11-07 00:34:28,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:34:28,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:34:28,797 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:34:28,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808853093] [2021-11-07 00:34:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:34:28,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:34:28,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:34:28,809 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) [2021-11-07 00:34:28,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 00:34:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:34:29,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-07 00:34:29,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:34:29,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 00:34:29,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:34:29,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:29,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 00:34:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:29,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:29,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 00:34:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 00:34:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 00:34:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 00:34:30,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:30,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 00:34:30,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 00:34:30,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 00:34:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:31,018 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:34:31,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 00:34:31,189 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:34:31,189 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 [2021-11-07 00:34:31,219 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-07 00:34:31,219 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 [2021-11-07 00:34:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:31,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:31,291 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-07 00:34:31,291 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 [2021-11-07 00:34:34,699 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:34:34,700 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 [2021-11-07 00:34:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,445 WARN L207 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 136 DAG size of output: 57 [2021-11-07 00:34:40,446 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:34:40,446 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 [2021-11-07 00:34:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:34:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:40,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:34:48,311 WARN L207 SmtUtils]: Spent 7.79 s on a formula simplification. DAG size of input: 541 DAG size of output: 149 [2021-11-07 00:34:48,311 INFO L354 Elim1Store]: treesize reduction 10081, result has 5.9 percent of original size [2021-11-07 00:34:48,312 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 [2021-11-07 00:35:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:10,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:10,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:10,820 INFO L244 Elim1Store]: Index analysis took 352 ms [2021-11-07 00:35:10,822 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 [2021-11-07 00:35:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,300 INFO L244 Elim1Store]: Index analysis took 303 ms [2021-11-07 00:35:11,302 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 [2021-11-07 00:35:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,502 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 [2021-11-07 00:35:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,733 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 [2021-11-07 00:35:11,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:11,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:11,974 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-07 00:35:11,975 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 [2021-11-07 00:35:12,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:12,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,228 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-11-07 00:35:12,229 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 [2021-11-07 00:35:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,491 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 [2021-11-07 00:35:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:35:12,794 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:35:12,795 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 [2021-11-07 00:35:12,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:12,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:35:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:03,857 WARN L207 SmtUtils]: Spent 5.85 m on a formula simplification. DAG size of input: 1408 DAG size of output: 355 [2021-11-07 00:41:03,858 INFO L354 Elim1Store]: treesize reduction 31640, result has 3.3 percent of original size [2021-11-07 00:41:03,859 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 [2021-11-07 00:41:05,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:41:06,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:07,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:07,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:08,009 INFO L244 Elim1Store]: Index analysis took 1916 ms [2021-11-07 00:41:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:09,810 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:41:09,810 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 [2021-11-07 00:41:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:14,840 INFO L244 Elim1Store]: Index analysis took 2853 ms [2021-11-07 00:41:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:16,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:16,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:41:16,810 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