./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-07 00:04:22,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:04:22,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:04:22,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:04:22,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:04:22,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:04:22,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:04:22,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:04:22,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:04:22,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:04:22,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:04:22,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:04:22,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:04:22,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:04:22,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:04:22,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:04:22,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:04:22,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:04:22,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:04:22,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:04:22,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:04:22,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:04:22,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:04:22,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:04:22,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:04:22,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:04:22,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:04:22,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:04:22,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:04:22,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:04:22,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:04:22,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:04:22,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:04:22,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:04:22,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:04:22,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:04:22,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:04:22,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:04:22,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:04:22,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:04:22,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:04:22,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:04:22,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:04:22,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:04:22,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:04:22,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:04:22,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:04:22,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:04:22,681 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:04:22,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:04:22,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:04:22,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:04:22,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:04:22,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:04:22,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:04:22,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:04:22,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:04:22,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:04:22,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:04:22,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:04:22,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:04:22,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:04:22,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:04:22,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:04:22,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:04:22,687 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:04:22,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:04:22,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:04:22,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:04:22,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1036b64b29bd922a31935b87e7c90d1acbba8f8044f40e2525bb03d5de1e7f [2021-11-07 00:04:22,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:04:22,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:04:22,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:04:22,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:04:22,977 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:04:22,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2021-11-07 00:04:23,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3e9ef81/c186f1bd80874dd18980024cd2ede6ec/FLAG4a22ee8a0 [2021-11-07 00:04:23,518 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:04:23,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-2.i [2021-11-07 00:04:23,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3e9ef81/c186f1bd80874dd18980024cd2ede6ec/FLAG4a22ee8a0 [2021-11-07 00:04:23,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc3e9ef81/c186f1bd80874dd18980024cd2ede6ec [2021-11-07 00:04:23,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:04:23,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:04:23,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:04:23,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:04:23,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:04:23,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:04:23" (1/1) ... [2021-11-07 00:04:23,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec64ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:23, skipping insertion in model container [2021-11-07 00:04:23,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:04:23" (1/1) ... [2021-11-07 00:04:23,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:04:23,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:04:24,295 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_SAX_test3-2.i[33021,33034] [2021-11-07 00:04:24,436 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_SAX_test3-2.i[44590,44603] [2021-11-07 00:04:24,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:04:24,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:04:24,495 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_SAX_test3-2.i[33021,33034] [2021-11-07 00:04:24,553 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_SAX_test3-2.i[44590,44603] [2021-11-07 00:04:24,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:04:24,609 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:04:24,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24 WrapperNode [2021-11-07 00:04:24,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:04:24,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:04:24,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:04:24,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:04:24,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:04:24,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:04:24,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:04:24,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:04:24,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:04:24,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:04:24,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:04:24,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:04:24,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (1/1) ... [2021-11-07 00:04:24,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:04:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:24,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:04:24,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:04:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:04:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:04:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:04:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:04:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:04:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:04:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:04:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:04:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:04:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:04:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:04:26,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:04:26,137 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 00:04:26,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:04:26 BoogieIcfgContainer [2021-11-07 00:04:26,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:04:26,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:04:26,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:04:26,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:04:26,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:04:23" (1/3) ... [2021-11-07 00:04:26,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6555d6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:04:26, skipping insertion in model container [2021-11-07 00:04:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:04:24" (2/3) ... [2021-11-07 00:04:26,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6555d6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:04:26, skipping insertion in model container [2021-11-07 00:04:26,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:04:26" (3/3) ... [2021-11-07 00:04:26,148 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-2.i [2021-11-07 00:04:26,153 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:04:26,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 00:04:26,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:04:26,205 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:04:26,206 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 00:04:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:04:26,230 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:26,231 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:26,232 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:26,243 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 00:04:26,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:26,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829679353] [2021-11-07 00:04:26,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:26,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:26,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:26,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829679353] [2021-11-07 00:04:26,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829679353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:26,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:26,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:04:26,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027055596] [2021-11-07 00:04:26,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:04:26,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:04:26,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:04:26,446 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:26,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:26,499 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 00:04:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:04:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 00:04:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:26,515 INFO L225 Difference]: With dead ends: 460 [2021-11-07 00:04:26,515 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 00:04:26,521 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:04:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 00:04:26,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 00:04:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 00:04:26,577 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 00:04:26,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:26,578 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 00:04:26,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 00:04:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 00:04:26,579 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:26,579 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:26,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:04:26,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:26,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:26,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 00:04:26,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:26,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764463106] [2021-11-07 00:04:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:26,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:26,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:26,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764463106] [2021-11-07 00:04:26,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764463106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:26,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:26,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:04:26,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664705439] [2021-11-07 00:04:26,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:04:26,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:04:26,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:04:26,669 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:27,032 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 00:04:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:04:27,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 00:04:27,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:27,034 INFO L225 Difference]: With dead ends: 445 [2021-11-07 00:04:27,034 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 00:04:27,035 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:04:27,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 00:04:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 00:04:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 00:04:27,045 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 00:04:27,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:27,046 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 00:04:27,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 00:04:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:04:27,048 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:27,048 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:27,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:04:27,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 00:04:27,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:27,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472123633] [2021-11-07 00:04:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:27,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:27,069 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:27,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521768107] [2021-11-07 00:04:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:27,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:27,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:27,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:04:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:27,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:04:27,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:27,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:27,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472123633] [2021-11-07 00:04:27,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:27,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521768107] [2021-11-07 00:04:27,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521768107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:27,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:27,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:04:27,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022657788] [2021-11-07 00:04:27,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:04:27,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:27,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:04:27,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:27,523 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:27,594 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 00:04:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:04:27,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:04:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:27,596 INFO L225 Difference]: With dead ends: 417 [2021-11-07 00:04:27,597 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 00:04:27,597 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:27,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 00:04:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 00:04:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 00:04:27,605 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 00:04:27,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:27,606 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 00:04:27,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 00:04:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:04:27,608 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:27,608 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:27,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 00:04:27,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:27,832 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:27,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 00:04:27,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:27,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241756821] [2021-11-07 00:04:27,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:27,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:27,866 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:27,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240192300] [2021-11-07 00:04:27,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:27,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:27,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:27,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:27,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:04:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:28,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:04:28,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:28,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:28,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241756821] [2021-11-07 00:04:28,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:28,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240192300] [2021-11-07 00:04:28,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240192300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:28,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:28,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:04:28,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94268503] [2021-11-07 00:04:28,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:04:28,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:28,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:04:28,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:04:28,292 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:28,377 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 00:04:28,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:04:28,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:04:28,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:28,379 INFO L225 Difference]: With dead ends: 428 [2021-11-07 00:04:28,379 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 00:04:28,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:04:28,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 00:04:28,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 00:04:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 00:04:28,394 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 00:04:28,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:28,394 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 00:04:28,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 00:04:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 00:04:28,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:28,402 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:28,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:04:28,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 00:04:28,612 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:28,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:28,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 00:04:28,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:28,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018487000] [2021-11-07 00:04:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:28,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:28,631 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:28,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051106057] [2021-11-07 00:04:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:28,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:28,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:28,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:04:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:28,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:04:28,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:29,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:29,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018487000] [2021-11-07 00:04:29,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:29,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051106057] [2021-11-07 00:04:29,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051106057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:29,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:29,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:04:29,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188442534] [2021-11-07 00:04:29,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:04:29,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:04:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:29,208 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:29,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:29,273 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 00:04:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:04:29,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 00:04:29,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:29,276 INFO L225 Difference]: With dead ends: 542 [2021-11-07 00:04:29,276 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 00:04:29,276 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:29,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 00:04:29,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 00:04:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 00:04:29,283 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 00:04:29,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:29,284 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 00:04:29,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 00:04:29,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 00:04:29,285 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:29,285 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:29,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:04:29,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:29,504 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:29,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:29,504 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 00:04:29,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:29,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389278089] [2021-11-07 00:04:29,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:29,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:29,519 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:29,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [177962207] [2021-11-07 00:04:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:29,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:29,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:29,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:29,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:04:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:29,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:04:29,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:29,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:04:29,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 00:04:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:04:29,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:29,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389278089] [2021-11-07 00:04:29,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:29,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177962207] [2021-11-07 00:04:29,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177962207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:29,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:29,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:04:29,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077374992] [2021-11-07 00:04:29,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:04:29,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:29,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:04:29,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:04:29,998 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:31,075 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 00:04:31,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:04:31,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 00:04:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:31,078 INFO L225 Difference]: With dead ends: 421 [2021-11-07 00:04:31,078 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 00:04:31,079 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:04:31,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 00:04:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 00:04:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 00:04:31,087 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 00:04:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:31,088 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 00:04:31,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 00:04:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:04:31,089 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:31,089 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:31,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:04:31,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:31,311 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:31,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 00:04:31,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:31,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068708229] [2021-11-07 00:04:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:31,326 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:31,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1950370212] [2021-11-07 00:04:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:31,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:31,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:31,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:31,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:04:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:31,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:04:31,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:04:31,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:31,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068708229] [2021-11-07 00:04:31,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:31,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950370212] [2021-11-07 00:04:31,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950370212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:31,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:31,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:04:31,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975702893] [2021-11-07 00:04:31,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:04:31,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:31,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:04:31,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:31,846 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:31,916 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 00:04:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:04:31,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:04:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:31,922 INFO L225 Difference]: With dead ends: 525 [2021-11-07 00:04:31,922 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 00:04:31,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:04:31,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 00:04:31,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 00:04:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 00:04:31,935 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 00:04:31,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:31,936 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 00:04:31,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 00:04:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:04:31,938 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:31,938 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:31,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:04:32,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:32,139 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:32,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:32,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 00:04:32,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:32,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407334771] [2021-11-07 00:04:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:32,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:32,167 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:32,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869906754] [2021-11-07 00:04:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:32,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:32,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:32,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:32,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:04:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:32,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:04:32,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:04:32,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:32,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407334771] [2021-11-07 00:04:32,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:32,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869906754] [2021-11-07 00:04:32,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869906754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:32,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:32,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:04:32,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482482038] [2021-11-07 00:04:32,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:04:32,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:32,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:04:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:04:32,647 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:32,721 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 00:04:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:04:32,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:04:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:32,731 INFO L225 Difference]: With dead ends: 540 [2021-11-07 00:04:32,731 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 00:04:32,732 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:04:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 00:04:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 00:04:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 00:04:32,751 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 00:04:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:32,752 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 00:04:32,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 00:04:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:04:32,754 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:32,754 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:32,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:04:32,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:32,975 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:32,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:32,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 00:04:32,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:32,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100437051] [2021-11-07 00:04:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:32,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:32,988 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:32,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165429651] [2021-11-07 00:04:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:32,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:32,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:32,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:33,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:04:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:33,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:04:33,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:04:33,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:04:33,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100437051] [2021-11-07 00:04:33,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:04:33,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165429651] [2021-11-07 00:04:33,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165429651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:04:33,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:04:33,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:04:33,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932088707] [2021-11-07 00:04:33,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:04:33,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:04:33,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:04:33,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:04:33,555 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:04:33,813 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 00:04:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:04:33,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:04:33,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:04:33,816 INFO L225 Difference]: With dead ends: 740 [2021-11-07 00:04:33,816 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 00:04:33,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:04:33,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 00:04:33,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 00:04:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 00:04:33,828 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 00:04:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:04:33,828 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 00:04:33,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:04:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 00:04:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:04:33,829 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:04:33,829 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:04:33,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-07 00:04:34,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:34,032 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:04:34,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:04:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 00:04:34,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:04:34,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271052542] [2021-11-07 00:04:34,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:34,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:04:34,061 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:04:34,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319265109] [2021-11-07 00:04:34,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:04:34,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:04:34,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:04:34,068 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:04:34,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 00:04:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:04:34,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:04:34,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:04:34,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:04:34,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 00:04:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:34,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 00:04:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:34,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 00:04:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 00:04:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 00:04:35,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 00:04:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 00:04:35,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 00:04:35,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:35,767 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:04:35,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 00:04:35,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 00:04:37,362 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:04:37,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-07 00:04:37,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:37,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:37,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:37,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:41,757 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 00:04:41,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-07 00:04:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:42,633 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:04:42,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-07 00:04:43,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:43,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 00:04:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:43,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 00:04:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:04:44,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-07 00:04:44,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:04:44,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:04:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:11,449 WARN L207 SmtUtils]: Spent 6.45 m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-07 00:11:11,451 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 00:11:11,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-07 00:11:14,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 00:11:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,707 INFO L244 Elim1Store]: Index analysis took 285 ms [2021-11-07 00:11:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:16,912 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:11:16,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-07 00:11:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:22,755 INFO L244 Elim1Store]: Index analysis took 4254 ms [2021-11-07 00:11:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:23,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:25,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:26,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:26,736 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:11:26,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-07 00:11:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:28,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:28,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:28,925 INFO L244 Elim1Store]: Index analysis took 1836 ms [2021-11-07 00:11:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:29,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:29,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:30,757 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:11:30,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-07 00:11:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:31,085 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:11:31,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-07 00:11:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:11:53,763 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 00:11:53,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-07 00:12:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:17,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:17,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:17,870 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 00:12:17,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-07 00:12:25,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,764 INFO L244 Elim1Store]: Index analysis took 581 ms [2021-11-07 00:12:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:26,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:26,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-07 00:12:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:27,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:27,723 INFO L244 Elim1Store]: Index analysis took 1151 ms [2021-11-07 00:12:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:28,434 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:28,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-07 00:12:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,413 INFO L244 Elim1Store]: Index analysis took 761 ms [2021-11-07 00:12:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,206 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:30,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-07 00:12:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:30,886 INFO L244 Elim1Store]: Index analysis took 536 ms [2021-11-07 00:12:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:31,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:31,192 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:31,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-07 00:12:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:33,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:33,942 INFO L244 Elim1Store]: Index analysis took 346 ms [2021-11-07 00:12:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,261 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:34,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-07 00:12:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,847 INFO L244 Elim1Store]: Index analysis took 445 ms [2021-11-07 00:12:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:35,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-07 00:12:35,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,056 INFO L244 Elim1Store]: Index analysis took 291 ms [2021-11-07 00:12:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,462 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:36,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-07 00:12:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,009 INFO L244 Elim1Store]: Index analysis took 414 ms [2021-11-07 00:12:37,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,155 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:37,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-07 00:12:37,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:37,336 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:12:37,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-07 00:12:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:37,539 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:12:37,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-07 00:12:37,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:37,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,786 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:12:37,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-07 00:12:37,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:37,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,939 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 00:12:37,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-07 00:12:37,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:37,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:38,016 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 00:12:38,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-07 00:12:38,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:38,087 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:12:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-07 00:12:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:38,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:38,247 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 00:12:38,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-07 00:12:38,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:38,308 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:12:38,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-07 00:12:38,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:38,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:38,369 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 00:12:38,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-07 00:12:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,525 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 00:12:39,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-07 00:12:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:39,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:39,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:40,248 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 00:12:40,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-07 00:12:40,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:40,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:40,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:40,478 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 00:12:40,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-07 00:12:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:40,508 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 00:12:40,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-07 00:12:41,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:41,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,058 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 00:12:41,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-07 00:12:41,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:41,203 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 00:12:41,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-07 00:12:41,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:12:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:12:41,232 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 00:12:41,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-07 00:12:41,881 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 00:12:41,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-07 00:12:41,895 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 00:12:41,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-07 00:12:41,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:12:41,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-07 00:12:42,011 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 00:12:42,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-07 00:13:04,520 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 00:13:04,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-07 00:13:41,436 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 00:13:41,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-07 00:13:45,996 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 00:13:45,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-07 00:13:46,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:13:46,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:13:46,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271052542] [2021-11-07 00:13:46,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:13:46,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319265109] [2021-11-07 00:13:46,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319265109] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 00:13:46,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-07 00:13:46,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-07 00:13:46,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054960517] [2021-11-07 00:13:46,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 00:13:46,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:13:46,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 00:13:46,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-07 00:13:46,097 INFO L87 Difference]: Start difference. First operand 410 states and 497 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:57,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:13:57,556 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2021-11-07 00:13:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 00:13:57,557 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-07 00:13:57,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:13:57,559 INFO L225 Difference]: With dead ends: 708 [2021-11-07 00:13:57,559 INFO L226 Difference]: Without dead ends: 440 [2021-11-07 00:13:57,560 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 [2021-11-07 00:13:57,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-07 00:13:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-07 00:13:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 426 states have (on average 1.2300469483568075) internal successors, (524), 431 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2021-11-07 00:13:57,572 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 110 [2021-11-07 00:13:57,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:13:57,572 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2021-11-07 00:13:57,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2021-11-07 00:13:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:13:57,573 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:13:57,574 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:13:57,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:13:57,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-07 00:13:57,788 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:13:57,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:13:57,788 INFO L85 PathProgramCache]: Analyzing trace with hash 107832188, now seen corresponding path program 1 times [2021-11-07 00:13:57,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:13:57,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435106918] [2021-11-07 00:13:57,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:13:57,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:13:57,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:13:57,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851179635] [2021-11-07 00:13:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:13:57,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:13:57,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:13:57,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:13:57,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 00:13:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:13:58,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:13:58,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:13:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:13:58,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:13:58,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435106918] [2021-11-07 00:13:58,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:13:58,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851179635] [2021-11-07 00:13:58,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851179635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:13:58,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:13:58,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:13:58,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635045513] [2021-11-07 00:13:58,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:13:58,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:13:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:13:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:13:58,636 INFO L87 Difference]: Start difference. First operand 432 states and 524 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:13:58,672 INFO L93 Difference]: Finished difference Result 789 states and 962 transitions. [2021-11-07 00:13:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:13:58,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-07 00:13:58,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:13:58,675 INFO L225 Difference]: With dead ends: 789 [2021-11-07 00:13:58,675 INFO L226 Difference]: Without dead ends: 411 [2021-11-07 00:13:58,675 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:13:58,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-07 00:13:58,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2021-11-07 00:13:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 405 states have (on average 1.2296296296296296) internal successors, (498), 410 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2021-11-07 00:13:58,686 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 110 [2021-11-07 00:13:58,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:13:58,686 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2021-11-07 00:13:58,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:13:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2021-11-07 00:13:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 00:13:58,687 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:13:58,688 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:13:58,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:13:58,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:13:58,913 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 00:13:58,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:13:58,914 INFO L85 PathProgramCache]: Analyzing trace with hash -949874449, now seen corresponding path program 1 times [2021-11-07 00:13:58,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:13:58,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996217965] [2021-11-07 00:13:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:13:58,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:13:58,927 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:13:58,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082476296] [2021-11-07 00:13:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:13:58,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:13:58,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:13:58,929 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:13:58,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 00:13:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:13:59,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-07 00:13:59,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:13:59,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 00:13:59,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:13:59,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:13:59,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 00:13:59,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:13:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:13:59,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:13:59,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 00:14:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 00:14:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:00,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 00:14:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 00:14:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 00:14:01,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 00:14:01,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 00:14:01,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,146 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:14:01,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 00:14:01,334 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-07 00:14:01,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-07 00:14:01,365 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-07 00:14:01,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-07 00:14:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:01,450 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-07 00:14:01,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-07 00:14:04,059 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-07 00:14:04,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-07 00:14:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,853 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-07 00:14:07,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 3434 treesize of output 3115 [2021-11-07 00:14:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:16,222 WARN L207 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 541 DAG size of output: 149 [2021-11-07 00:14:16,222 INFO L354 Elim1Store]: treesize reduction 10081, result has 5.9 percent of original size [2021-11-07 00:14:16,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 3734 treesize of output 2403 [2021-11-07 00:14:38,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:38,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,017 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-07 00:14:39,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 418 [2021-11-07 00:14:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,340 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-11-07 00:14:39,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 889 treesize of output 407 [2021-11-07 00:14:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 00:14:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2021-11-07 00:14:39,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:39,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:39,999 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-07 00:14:40,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 408 [2021-11-07 00:14:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:40,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,280 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-07 00:14:40,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 2773 treesize of output 1918 [2021-11-07 00:14:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-07 00:14:40,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:14:40,873 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:14:40,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 85 [2021-11-07 00:14:40,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:40,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:14:40,936 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15