./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 23:51:01,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 23:51:01,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 23:51:01,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 23:51:01,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 23:51:01,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 23:51:01,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 23:51:01,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 23:51:01,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 23:51:01,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 23:51:01,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 23:51:01,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 23:51:01,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 23:51:01,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 23:51:01,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 23:51:01,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 23:51:01,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 23:51:01,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 23:51:01,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 23:51:01,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 23:51:01,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 23:51:01,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 23:51:01,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 23:51:01,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 23:51:01,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 23:51:01,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 23:51:01,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 23:51:01,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 23:51:01,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 23:51:01,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 23:51:01,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 23:51:01,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 23:51:01,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 23:51:01,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 23:51:01,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 23:51:01,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 23:51:01,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 23:51:01,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 23:51:01,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 23:51:01,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 23:51:01,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 23:51:01,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 23:51:01,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 23:51:01,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 23:51:01,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 23:51:01,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 23:51:01,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 23:51:01,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 23:51:01,766 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 23:51:01,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 23:51:01,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 23:51:01,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 23:51:01,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 23:51:01,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 23:51:01,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:51:01,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 23:51:01,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 23:51:01,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 23:51:01,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 23:51:01,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 23:51:01,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 23:51:01,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 23:51:01,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 23:51:01,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 23:51:01,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2021-11-06 23:51:01,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 23:51:01,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 23:51:01,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 23:51:01,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 23:51:01,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 23:51:01,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-06 23:51:02,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43ea6901/92956e4e67a549428cf7acb88a0537aa/FLAG3a46b8b27 [2021-11-06 23:51:02,520 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 23:51:02,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-06 23:51:02,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43ea6901/92956e4e67a549428cf7acb88a0537aa/FLAG3a46b8b27 [2021-11-06 23:51:02,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43ea6901/92956e4e67a549428cf7acb88a0537aa [2021-11-06 23:51:02,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 23:51:02,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 23:51:02,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 23:51:02,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 23:51:02,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 23:51:02,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe06308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:02, skipping insertion in model container [2021-11-06 23:51:02,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:51:02" (1/1) ... [2021-11-06 23:51:02,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 23:51:02,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 23:51:03,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-06 23:51:03,384 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-06 23:51:03,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:51:03,401 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 23:51:03,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-06 23:51:03,533 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-06 23:51:03,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 23:51:03,562 INFO L208 MainTranslator]: Completed translation [2021-11-06 23:51:03,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03 WrapperNode [2021-11-06 23:51:03,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 23:51:03,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 23:51:03,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 23:51:03,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 23:51:03,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 23:51:03,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 23:51:03,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 23:51:03,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 23:51:03,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 23:51:03,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 23:51:03,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 23:51:03,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 23:51:03,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (1/1) ... [2021-11-06 23:51:03,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 23:51:03,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:04,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 23:51:04,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 23:51:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 23:51:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 23:51:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 23:51:04,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 23:51:06,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 23:51:06,222 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-06 23:51:06,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:06 BoogieIcfgContainer [2021-11-06 23:51:06,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 23:51:06,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 23:51:06,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 23:51:06,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 23:51:06,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:51:02" (1/3) ... [2021-11-06 23:51:06,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542d831a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:06, skipping insertion in model container [2021-11-06 23:51:06,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:51:03" (2/3) ... [2021-11-06 23:51:06,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542d831a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:51:06, skipping insertion in model container [2021-11-06 23:51:06,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:51:06" (3/3) ... [2021-11-06 23:51:06,230 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2021-11-06 23:51:06,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 23:51:06,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 23:51:06,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 23:51:06,274 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 23:51:06,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 23:51:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 23:51:06,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:06,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:06,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:06,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:06,327 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 23:51:06,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:06,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886207902] [2021-11-06 23:51:06,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:06,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:06,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886207902] [2021-11-06 23:51:06,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886207902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:06,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:06,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 23:51:06,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664148558] [2021-11-06 23:51:06,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 23:51:06,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:06,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 23:51:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:51:06,452 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:06,549 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-06 23:51:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 23:51:06,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 23:51:06,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:06,573 INFO L225 Difference]: With dead ends: 4370 [2021-11-06 23:51:06,573 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 23:51:06,579 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 23:51:06,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 23:51:06,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 23:51:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 23:51:06,680 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 23:51:06,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:06,681 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 23:51:06,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 23:51:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 23:51:06,682 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:06,682 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:06,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 23:51:06,683 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:06,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 23:51:06,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:06,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204731671] [2021-11-06 23:51:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:06,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:06,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:06,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204731671] [2021-11-06 23:51:06,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204731671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:06,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:06,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:06,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477469048] [2021-11-06 23:51:06,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:06,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:06,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:06,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:06,732 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:07,018 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 23:51:07,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:07,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 23:51:07,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:07,030 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 23:51:07,030 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 23:51:07,034 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:07,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 23:51:07,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 23:51:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 23:51:07,110 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 23:51:07,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:07,111 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 23:51:07,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 23:51:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:07,115 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:07,115 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:07,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 23:51:07,115 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:07,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:07,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 23:51:07,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:07,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122106425] [2021-11-06 23:51:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:07,132 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:07,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1438607040] [2021-11-06 23:51:07,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:07,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:07,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:07,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 23:51:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:07,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:07,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:07,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:07,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122106425] [2021-11-06 23:51:07,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:07,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438607040] [2021-11-06 23:51:07,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438607040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:07,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:07,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:07,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931273257] [2021-11-06 23:51:07,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:07,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:07,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:07,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:07,495 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:07,565 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 23:51:07,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:07,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:07,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:07,571 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 23:51:07,571 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 23:51:07,574 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 23:51:07,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 23:51:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 23:51:07,602 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 23:51:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:07,603 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 23:51:07,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 23:51:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:07,610 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:07,611 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:07,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 23:51:07,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:07,828 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:07,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:07,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 23:51:07,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:07,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028796486] [2021-11-06 23:51:07,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:07,843 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:07,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745050441] [2021-11-06 23:51:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:07,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:07,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:07,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 23:51:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:07,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:07,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:51:08,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:08,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028796486] [2021-11-06 23:51:08,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:08,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745050441] [2021-11-06 23:51:08,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745050441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:08,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:08,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:08,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828008790] [2021-11-06 23:51:08,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:08,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:08,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:08,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:08,142 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:08,210 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 23:51:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:08,218 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 23:51:08,218 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 23:51:08,221 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:08,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 23:51:08,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 23:51:08,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 23:51:08,249 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 23:51:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:08,252 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 23:51:08,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 23:51:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:08,254 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:08,254 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:08,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 23:51:08,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 23:51:08,467 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:08,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:08,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 23:51:08,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:08,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255272469] [2021-11-06 23:51:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:08,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:08,496 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:08,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041658801] [2021-11-06 23:51:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:08,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:08,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:08,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:08,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 23:51:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:08,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:08,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:08,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:08,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255272469] [2021-11-06 23:51:08,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:08,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041658801] [2021-11-06 23:51:08,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041658801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:08,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:08,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:08,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434671113] [2021-11-06 23:51:08,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:08,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:08,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:08,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:08,904 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:08,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:08,983 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 23:51:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:08,993 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 23:51:08,993 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 23:51:08,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:08,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 23:51:09,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 23:51:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 23:51:09,032 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 23:51:09,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:09,032 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 23:51:09,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 23:51:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:09,036 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:09,036 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:09,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 23:51:09,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:09,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:09,255 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 23:51:09,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:09,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275498479] [2021-11-06 23:51:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:09,275 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:09,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341837245] [2021-11-06 23:51:09,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:09,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:09,278 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:09,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 23:51:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:09,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 23:51:09,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 23:51:09,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:09,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275498479] [2021-11-06 23:51:09,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:09,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341837245] [2021-11-06 23:51:09,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341837245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:09,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:09,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:09,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750082866] [2021-11-06 23:51:09,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:09,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:09,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:09,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:09,622 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:09,696 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 23:51:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:09,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:09,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:09,704 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 23:51:09,704 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 23:51:09,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:09,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 23:51:09,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 23:51:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 23:51:09,737 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 23:51:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:09,737 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 23:51:09,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 23:51:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 23:51:09,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:09,739 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:09,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 23:51:09,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:09,957 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 23:51:09,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:09,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265662816] [2021-11-06 23:51:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:09,968 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:09,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116049055] [2021-11-06 23:51:09,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:09,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:09,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:09,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:09,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 23:51:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:10,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:51:10,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:10,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:10,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265662816] [2021-11-06 23:51:10,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:10,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116049055] [2021-11-06 23:51:10,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116049055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:10,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:10,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:51:10,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367877296] [2021-11-06 23:51:10,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:51:10,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:10,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:51:10,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:10,437 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:10,512 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 23:51:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:51:10,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 23:51:10,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:10,522 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 23:51:10,523 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 23:51:10,526 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:51:10,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 23:51:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 23:51:10,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 23:51:10,571 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 23:51:10,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:10,573 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 23:51:10,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 23:51:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 23:51:10,574 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:10,574 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:10,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-06 23:51:10,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:10,787 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:10,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:10,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 23:51:10,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:10,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635900570] [2021-11-06 23:51:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:10,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:10,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:10,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113694388] [2021-11-06 23:51:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:10,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:10,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:10,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:10,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 23:51:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:11,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 23:51:11,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:51:11,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:51:11,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635900570] [2021-11-06 23:51:11,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:51:11,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113694388] [2021-11-06 23:51:11,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113694388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:51:11,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:51:11,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 23:51:11,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457829343] [2021-11-06 23:51:11,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:51:11,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:51:11,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:51:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:51:11,298 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:11,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:51:11,452 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 23:51:11,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:51:11,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 23:51:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:51:11,458 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 23:51:11,458 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 23:51:11,461 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 23:51:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 23:51:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 23:51:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 23:51:11,484 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 23:51:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:51:11,485 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 23:51:11,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:51:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 23:51:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:51:11,486 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:51:11,486 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:51:11,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 23:51:11,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:11,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:51:11,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:51:11,707 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 23:51:11,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:51:11,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311815531] [2021-11-06 23:51:11,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:11,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:51:11,718 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:51:11,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463386623] [2021-11-06 23:51:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:51:11,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:51:11,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:51:11,719 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:51:11,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 23:51:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:51:11,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 23:51:11,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:51:12,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:51:12,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:51:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:51:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:51:12,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:51:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:12,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:51:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:51:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:51:13,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:51:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:51:13,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:51:13,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:13,145 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:51:13,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:51:14,753 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 23:51:14,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 23:51:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,078 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 23:51:16,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 23:51:16,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,306 WARN L207 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 23:51:21,307 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-06 23:51:21,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2271 [2021-11-06 23:51:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:21,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:51:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:51:22,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:22,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:22,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,227 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-06 23:51:22,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-06 23:51:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:22,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-06 23:51:23,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,482 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 23:51:23,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 133 [2021-11-06 23:51:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:23,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,168 WARN L207 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-06 23:51:29,169 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-06 23:51:29,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-06 23:51:29,313 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:51:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:29,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:29,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,669 INFO L244 Elim1Store]: Index analysis took 204 ms [2021-11-06 23:51:29,678 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-06 23:51:29,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-06 23:51:29,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:29,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:29,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:30,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,063 INFO L244 Elim1Store]: Index analysis took 179 ms [2021-11-06 23:51:30,447 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-06 23:51:30,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-06 23:51:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,584 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-06 23:51:30,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-06 23:51:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,912 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:51:30,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-06 23:51:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:30,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:31,255 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 23:51:31,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-06 23:51:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:36,956 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-06 23:51:36,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-06 23:51:37,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,149 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:51:37,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-06 23:51:37,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:51:37,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 69 [2021-11-06 23:51:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,347 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:51:37,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-06 23:51:37,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,368 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:51:37,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-06 23:51:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,387 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:51:37,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-06 23:51:37,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,407 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:51:37,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-06 23:51:37,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,423 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:51:37,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-06 23:51:37,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,437 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:51:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-06 23:51:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 75 [2021-11-06 23:51:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:37,677 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:51:37,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-06 23:51:38,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:38,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,259 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-06 23:51:38,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-06 23:51:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,372 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-06 23:51:38,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-06 23:51:38,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:51:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:51:38,401 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-06 23:51:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-06 23:51:38,936 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-06 23:51:38,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-06 23:51:38,980 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-06 23:51:38,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-06 23:51:39,062 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:51:39,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-06 23:51:39,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:51:39,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-06 23:51:44,790 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:51:44,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-06 23:53:11,324 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:53:11,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 347 treesize of output 232 [2021-11-06 23:53:15,658 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:53:15,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 337 treesize of output 177 [2021-11-06 23:53:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:53:15,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:53:15,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311815531] [2021-11-06 23:53:15,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:53:15,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463386623] [2021-11-06 23:53:15,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463386623] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:53:15,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:53:15,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 23:53:15,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008329438] [2021-11-06 23:53:15,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 23:53:15,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:53:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 23:53:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 23:53:15,767 INFO L87 Difference]: Start difference. First operand 2211 states and 2747 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:53:31,555 INFO L93 Difference]: Finished difference Result 4310 states and 5365 transitions. [2021-11-06 23:53:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 23:53:31,556 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 23:53:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:53:31,562 INFO L225 Difference]: With dead ends: 4310 [2021-11-06 23:53:31,562 INFO L226 Difference]: Without dead ends: 2241 [2021-11-06 23:53:31,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 23:53:31,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2021-11-06 23:53:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2233. [2021-11-06 23:53:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2233 states, 1732 states have (on average 1.6016166281755195) internal successors, (2774), 2232 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 2233 states and 2774 transitions. [2021-11-06 23:53:31,594 INFO L78 Accepts]: Start accepts. Automaton has 2233 states and 2774 transitions. Word has length 110 [2021-11-06 23:53:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:53:31,594 INFO L470 AbstractCegarLoop]: Abstraction has 2233 states and 2774 transitions. [2021-11-06 23:53:31,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 2774 transitions. [2021-11-06 23:53:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 23:53:31,595 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:53:31,595 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:53:31,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-06 23:53:31,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:53:31,809 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:53:31,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:53:31,810 INFO L85 PathProgramCache]: Analyzing trace with hash 108037212, now seen corresponding path program 1 times [2021-11-06 23:53:31,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:53:31,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761244036] [2021-11-06 23:53:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:53:31,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:53:31,823 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:53:31,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410426046] [2021-11-06 23:53:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:53:31,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:53:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:53:31,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:53:31,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 23:53:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:53:32,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 23:53:32,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:53:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:53:32,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:53:32,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761244036] [2021-11-06 23:53:32,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:53:32,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410426046] [2021-11-06 23:53:32,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410426046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 23:53:32,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 23:53:32,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 23:53:32,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360387393] [2021-11-06 23:53:32,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 23:53:32,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:53:32,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 23:53:32,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:53:32,806 INFO L87 Difference]: Start difference. First operand 2233 states and 2774 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:32,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:53:32,845 INFO L93 Difference]: Finished difference Result 4391 states and 5462 transitions. [2021-11-06 23:53:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 23:53:32,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 23:53:32,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:53:32,852 INFO L225 Difference]: With dead ends: 4391 [2021-11-06 23:53:32,853 INFO L226 Difference]: Without dead ends: 2212 [2021-11-06 23:53:32,856 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 23:53:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2021-11-06 23:53:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2021-11-06 23:53:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1711 states have (on average 1.6060783167738164) internal successors, (2748), 2211 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 2748 transitions. [2021-11-06 23:53:32,883 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 2748 transitions. Word has length 110 [2021-11-06 23:53:32,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:53:32,884 INFO L470 AbstractCegarLoop]: Abstraction has 2212 states and 2748 transitions. [2021-11-06 23:53:32,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:53:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2748 transitions. [2021-11-06 23:53:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:53:32,896 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:53:32,896 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:53:32,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 23:53:33,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 23:53:33,096 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:53:33,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:53:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash -949669425, now seen corresponding path program 1 times [2021-11-06 23:53:33,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:53:33,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993990298] [2021-11-06 23:53:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:53:33,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:53:33,112 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:53:33,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665957632] [2021-11-06 23:53:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:53:33,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:53:33,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:53:33,128 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:53:33,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 23:53:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:53:33,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 23:53:33,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:53:33,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:53:33,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:53:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:33,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:53:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:33,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:53:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2021-11-06 23:53:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-06 23:53:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 23:53:35,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 23:53:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,568 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 23:53:35,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 23:53:35,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:53:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 23:53:35,773 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:53:35,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 23:53:35,792 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 23:53:35,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 23:53:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:35,851 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 23:53:35,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 23:53:38,403 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:53:38,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 23:53:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:38,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:44,826 WARN L207 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:53:44,826 INFO L354 Elim1Store]: treesize reduction 9069, result has 4.8 percent of original size [2021-11-06 23:53:44,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3462 treesize of output 2164 [2021-11-06 23:53:44,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:53:46,679 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:53:46,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2415 treesize of output 2138 [2021-11-06 23:54:04,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:04,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 23:54:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:18,839 WARN L207 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 621 DAG size of output: 174 [2021-11-06 23:54:18,840 INFO L354 Elim1Store]: treesize reduction 22384, result has 2.6 percent of original size [2021-11-06 23:54:18,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 18 new quantified variables, introduced 42 case distinctions, treesize of input 62531 treesize of output 35347 [2021-11-06 23:54:19,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 23:54:19,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:19,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:19,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:20,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:20,150 INFO L244 Elim1Store]: Index analysis took 705 ms [2021-11-06 23:54:21,441 INFO L354 Elim1Store]: treesize reduction 250, result has 49.3 percent of original size [2021-11-06 23:54:21,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2039 treesize of output 1289 [2021-11-06 23:54:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:22,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:22,710 INFO L244 Elim1Store]: Index analysis took 597 ms [2021-11-06 23:54:23,374 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:54:23,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2017 treesize of output 1369 [2021-11-06 23:54:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,147 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-06 23:54:40,165 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-06 23:54:40,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 5 case distinctions, treesize of input 3854 treesize of output 2351 [2021-11-06 23:54:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:40,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:40,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:41,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:41,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:41,020 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-11-06 23:54:41,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 3651 treesize of output 2289 [2021-11-06 23:54:55,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:55,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:55,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:55,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:55,538 INFO L244 Elim1Store]: Index analysis took 238 ms [2021-11-06 23:54:55,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:54:55,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 2004 treesize of output 1344 [2021-11-06 23:54:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:56,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 23:54:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:57,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-11-06 23:54:58,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:58,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,215 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 23:54:58,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 2526 treesize of output 1466 [2021-11-06 23:54:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,378 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:54:58,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 109 [2021-11-06 23:54:58,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:54:58,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 239 treesize of output 109 [2021-11-06 23:54:58,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,560 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:54:58,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 419 treesize of output 229 [2021-11-06 23:54:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,947 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:54:58,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1319 treesize of output 889 [2021-11-06 23:54:58,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,980 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:54:58,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1117 treesize of output 699 [2021-11-06 23:54:58,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,006 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 23:54:59,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 891 treesize of output 569 [2021-11-06 23:54:59,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,030 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 23:54:59,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 677 treesize of output 571 [2021-11-06 23:54:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:54:59,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,306 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-06 23:54:59,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 207 treesize of output 224 [2021-11-06 23:54:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:54:59,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 68 [2021-11-06 23:54:59,394 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-06 23:54:59,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 155 [2021-11-06 23:55:00,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:55:00,294 INFO L354 Elim1Store]: treesize reduction 268, result has 12.4 percent of original size [2021-11-06 23:55:00,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 369 treesize of output 278 [2021-11-06 23:55:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:55:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:55:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:55:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:55:00,478 INFO L354 Elim1Store]: treesize reduction 1264, result has 8.5 percent of original size [2021-11-06 23:55:00,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 320 treesize of output 316 [2021-11-06 23:55:00,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:55:00,516 INFO L354 Elim1Store]: treesize reduction 170, result has 17.5 percent of original size [2021-11-06 23:55:00,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 269 treesize of output 217 [2021-11-06 23:55:01,340 INFO L354 Elim1Store]: treesize reduction 1156, result has 22.5 percent of original size [2021-11-06 23:55:01,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 264 treesize of output 476 [2021-11-06 23:55:01,355 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-06 23:55:01,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 357 [2021-11-06 23:55:01,365 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-06 23:55:01,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 286 [2021-11-06 23:55:01,433 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 23:55:01,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 23:55:14,290 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 23:55:14,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-06 23:56:18,085 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 23:56:18,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 399 treesize of output 252 [2021-11-06 23:56:20,447 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 23:56:20,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 389 treesize of output 197 [2021-11-06 23:56:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:56:20,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:56:20,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993990298] [2021-11-06 23:56:20,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:56:20,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665957632] [2021-11-06 23:56:20,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665957632] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:56:20,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:56:20,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-06 23:56:20,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172628372] [2021-11-06 23:56:20,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-06 23:56:20,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:56:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-06 23:56:20,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-11-06 23:56:20,570 INFO L87 Difference]: Start difference. First operand 2212 states and 2748 transitions. Second operand has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:56:32,915 INFO L93 Difference]: Finished difference Result 4308 states and 5362 transitions. [2021-11-06 23:56:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-06 23:56:32,917 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-06 23:56:32,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:56:32,922 INFO L225 Difference]: With dead ends: 4308 [2021-11-06 23:56:32,923 INFO L226 Difference]: Without dead ends: 2239 [2021-11-06 23:56:32,925 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2021-11-06 23:56:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-06 23:56:32,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2231. [2021-11-06 23:56:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 1730 states have (on average 1.6017341040462427) internal successors, (2771), 2230 states have internal predecessors, (2771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2771 transitions. [2021-11-06 23:56:32,949 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2771 transitions. Word has length 111 [2021-11-06 23:56:32,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:56:32,949 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 2771 transitions. [2021-11-06 23:56:32,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.4) internal successors, (111), 15 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2771 transitions. [2021-11-06 23:56:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 23:56:32,950 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:56:32,951 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:56:32,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 23:56:33,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:56:33,173 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:56:33,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:56:33,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1383398511, now seen corresponding path program 1 times [2021-11-06 23:56:33,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:56:33,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222407999] [2021-11-06 23:56:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:56:33,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:56:33,193 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:56:33,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347403486] [2021-11-06 23:56:33,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:56:33,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:56:33,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:56:33,208 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:56:33,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 23:56:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:56:34,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 23:56:34,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:56:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 23:56:34,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 23:56:34,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222407999] [2021-11-06 23:56:34,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 23:56:34,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347403486] [2021-11-06 23:56:34,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347403486] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 23:56:34,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 23:56:34,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-11-06 23:56:34,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524543340] [2021-11-06 23:56:34,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 23:56:34,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 23:56:34,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 23:56:34,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:56:34,270 INFO L87 Difference]: Start difference. First operand 2231 states and 2771 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 23:56:34,342 INFO L93 Difference]: Finished difference Result 6539 states and 8137 transitions. [2021-11-06 23:56:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 23:56:34,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-11-06 23:56:34,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 23:56:34,349 INFO L225 Difference]: With dead ends: 6539 [2021-11-06 23:56:34,349 INFO L226 Difference]: Without dead ends: 4367 [2021-11-06 23:56:34,352 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 23:56:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4367 states. [2021-11-06 23:56:34,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4367 to 2213. [2021-11-06 23:56:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1712 states have (on average 1.6057242990654206) internal successors, (2749), 2212 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 2749 transitions. [2021-11-06 23:56:34,382 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 2749 transitions. Word has length 111 [2021-11-06 23:56:34,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 23:56:34,382 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 2749 transitions. [2021-11-06 23:56:34,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 23:56:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2749 transitions. [2021-11-06 23:56:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 23:56:34,383 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 23:56:34,383 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 23:56:34,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-06 23:56:34,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-06 23:56:34,599 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 23:56:34,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 23:56:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash -718645671, now seen corresponding path program 1 times [2021-11-06 23:56:34,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 23:56:34,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334975283] [2021-11-06 23:56:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:56:34,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 23:56:34,613 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 23:56:34,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870184468] [2021-11-06 23:56:34,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 23:56:34,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 23:56:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 23:56:34,635 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 23:56:34,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 23:56:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 23:56:35,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-06 23:56:35,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 23:56:35,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 23:56:35,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 23:56:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:35,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 23:56:35,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:35,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:35,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:35,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 23:56:37,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 23:56:37,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 23:56:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 23:56:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:56:37,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 23:56:37,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 23:56:37,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2021-11-06 23:56:37,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:37,827 INFO L354 Elim1Store]: treesize reduction 60, result has 34.1 percent of original size [2021-11-06 23:56:37,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 34 treesize of output 51 [2021-11-06 23:56:38,143 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 23:56:38,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 104 [2021-11-06 23:56:38,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:38,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:38,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:38,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:38,201 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-06 23:56:38,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 140 treesize of output 142 [2021-11-06 23:56:38,222 INFO L354 Elim1Store]: treesize reduction 61, result has 12.9 percent of original size [2021-11-06 23:56:38,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 127 treesize of output 120 [2021-11-06 23:56:42,597 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 23:56:42,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2901 treesize of output 2371 [2021-11-06 23:56:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:50,373 WARN L207 SmtUtils]: Spent 7.74 s on a formula simplification. DAG size of input: 414 DAG size of output: 106 [2021-11-06 23:56:50,374 INFO L354 Elim1Store]: treesize reduction 9105, result has 4.4 percent of original size [2021-11-06 23:56:50,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 3456 treesize of output 2122 [2021-11-06 23:56:50,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:52,460 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 23:56:52,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 2380 treesize of output 2121 [2021-11-06 23:56:52,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:56:52,847 INFO L354 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2021-11-06 23:56:52,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 18368 treesize of output 18368 [2021-11-06 23:57:04,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:57:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:57:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:57:04,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,184 INFO L244 Elim1Store]: Index analysis took 169 ms [2021-11-06 23:57:04,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 14 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 894 treesize of output 408 [2021-11-06 23:57:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:04,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 581 treesize of output 418 [2021-11-06 23:57:04,462 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-06 23:57:04,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 528 treesize of output 492 [2021-11-06 23:57:04,980 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-06 23:57:04,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 188 treesize of output 115 [2021-11-06 23:57:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:57:05,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-11-06 23:57:05,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:57:05,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 23:57:05,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:00,310 WARN L207 SmtUtils]: Spent 7.91 m on a formula simplification. DAG size of input: 1388 DAG size of output: 355 [2021-11-07 00:05:00,311 INFO L354 Elim1Store]: treesize reduction 30302, result has 3.4 percent of original size [2021-11-07 00:05:00,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 665161 treesize of output 283777 [2021-11-07 00:05:08,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:09,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:09,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:09,618 INFO L244 Elim1Store]: Index analysis took 1640 ms [2021-11-07 00:05:09,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:11,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:11,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:05:11,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 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 00:05:11,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:13,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:13,550 INFO L244 Elim1Store]: Index analysis took 1791 ms [2021-11-07 00:05:13,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:14,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:15,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:05:16,515 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:05:16,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1048 treesize of output 472 Killed by 15