./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_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_BER_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 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:22:37,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:22:37,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:22:37,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:22:37,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:22:37,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:22:37,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:22:37,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:22:37,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:22:37,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:22:37,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:22:37,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:22:37,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:22:37,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:22:37,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:22:37,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:22:37,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:22:37,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:22:37,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:22:37,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:22:37,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:22:37,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:22:37,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:22:37,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:22:37,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:22:37,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:22:37,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:22:37,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:22:37,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:22:37,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:22:37,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:22:37,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:22:37,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:22:37,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:22:37,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:22:37,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:22:37,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:22:37,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:22:37,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:22:37,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:22:37,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:22:37,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:22:37,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:22:37,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:22:37,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:22:37,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:22:37,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:22:37,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:22:37,885 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:22:37,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:22:37,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:22:37,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:22:37,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:22:37,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:22:37,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:22:37,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:22:37,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:22:37,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:22:37,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:22:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:22:37,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:22:37,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:22:37,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:22:37,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:22:37,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:22:37,889 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:22:37,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:22:37,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:22:37,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:22:37,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2021-11-06 22:22:38,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:22:38,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:22:38,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:22:38,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:22:38,107 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:22:38,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2021-11-06 22:22:38,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b473aeb5/6a0413423bb2403abc621dcaca2a9255/FLAGbe8b7d453 [2021-11-06 22:22:38,605 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:22:38,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2021-11-06 22:22:38,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b473aeb5/6a0413423bb2403abc621dcaca2a9255/FLAGbe8b7d453 [2021-11-06 22:22:38,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b473aeb5/6a0413423bb2403abc621dcaca2a9255 [2021-11-06 22:22:38,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:22:38,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:22:38,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:22:38,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:22:38,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:22:38,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:38" (1/1) ... [2021-11-06 22:22:38,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b7bb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:38, skipping insertion in model container [2021-11-06 22:22:38,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:38" (1/1) ... [2021-11-06 22:22:38,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:22:38,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:22:39,287 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_BER_test3-2.i[33021,33034] [2021-11-06 22:22:39,381 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_BER_test3-2.i[44590,44603] [2021-11-06 22:22:39,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:22:39,406 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:22:39,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[33021,33034] [2021-11-06 22:22:39,483 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_BER_test3-2.i[44590,44603] [2021-11-06 22:22:39,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:22:39,516 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:22:39,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39 WrapperNode [2021-11-06 22:22:39,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:22:39,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:22:39,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:22:39,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:22:39,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:22:39,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:22:39,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:22:39,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:22:39,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:22:39,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:22:39,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:22:39,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:22:39,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (1/1) ... [2021-11-06 22:22:39,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:22:39,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:39,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 22:22:39,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:22:39,780 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:22:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:22:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:22:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:22:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:22:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:22:40,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:22:40,731 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 22:22:40,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:40 BoogieIcfgContainer [2021-11-06 22:22:40,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:22:40,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:22:40,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:22:40,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:22:40,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:38" (1/3) ... [2021-11-06 22:22:40,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90bb84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:40, skipping insertion in model container [2021-11-06 22:22:40,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:39" (2/3) ... [2021-11-06 22:22:40,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90bb84c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:40, skipping insertion in model container [2021-11-06 22:22:40,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:40" (3/3) ... [2021-11-06 22:22:40,756 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2021-11-06 22:22:40,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:22:40,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 22:22:40,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:22:40,819 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 22:22:40,820 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 22:22:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:22:40,835 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:40,836 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:40,839 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 22:22:40,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:40,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562691535] [2021-11-06 22:22:40,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:40,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:40,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:40,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562691535] [2021-11-06 22:22:40,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562691535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:40,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:40,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:22:40,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431501454] [2021-11-06 22:22:40,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:22:40,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:22:40,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:22:40,991 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:41,034 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 22:22:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:22:41,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 22:22:41,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:41,046 INFO L225 Difference]: With dead ends: 460 [2021-11-06 22:22:41,046 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 22:22:41,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:22:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 22:22:41,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 22:22:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 22:22:41,097 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 22:22:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:41,098 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 22:22:41,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 22:22:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 22:22:41,099 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:41,099 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:41,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:22:41,099 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:41,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:41,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 22:22:41,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:41,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671466879] [2021-11-06 22:22:41,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:41,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:41,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:41,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671466879] [2021-11-06 22:22:41,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671466879] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:41,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:41,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:41,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976400999] [2021-11-06 22:22:41,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:41,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:41,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:41,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:41,190 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:41,446 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 22:22:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:41,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 22:22:41,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:41,447 INFO L225 Difference]: With dead ends: 445 [2021-11-06 22:22:41,447 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 22:22:41,448 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:41,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 22:22:41,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 22:22:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 22:22:41,455 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 22:22:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:41,455 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 22:22:41,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 22:22:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:22:41,456 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:41,456 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:41,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:22:41,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:41,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:41,457 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 22:22:41,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:41,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299917108] [2021-11-06 22:22:41,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:41,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:41,484 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:41,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039315663] [2021-11-06 22:22:41,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:41,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:41,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:41,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:41,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 22:22:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:41,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:41,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:41,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:41,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299917108] [2021-11-06 22:22:41,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:41,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039315663] [2021-11-06 22:22:41,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039315663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:41,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:41,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:41,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590644305] [2021-11-06 22:22:41,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:41,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:41,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:41,820 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:41,864 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 22:22:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:41,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:22:41,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:41,866 INFO L225 Difference]: With dead ends: 417 [2021-11-06 22:22:41,866 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 22:22:41,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:41,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 22:22:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 22:22:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 22:22:41,877 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 22:22:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:41,878 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 22:22:41,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 22:22:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:22:41,885 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:41,886 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:41,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 22:22:42,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:42,106 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:42,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:42,107 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 22:22:42,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:42,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831255453] [2021-11-06 22:22:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:42,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:42,118 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:42,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375954339] [2021-11-06 22:22:42,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:42,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:42,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:42,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:42,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 22:22:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:42,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:42,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:42,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:42,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831255453] [2021-11-06 22:22:42,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:42,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375954339] [2021-11-06 22:22:42,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375954339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:42,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:42,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:42,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777080064] [2021-11-06 22:22:42,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:42,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:42,400 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:42,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:42,449 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 22:22:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:42,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:22:42,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:42,450 INFO L225 Difference]: With dead ends: 428 [2021-11-06 22:22:42,450 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 22:22:42,450 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:42,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 22:22:42,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 22:22:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 22:22:42,454 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 22:22:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:42,454 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 22:22:42,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 22:22:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 22:22:42,455 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:42,455 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:42,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:42,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 22:22:42,672 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:42,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 22:22:42,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:42,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777586991] [2021-11-06 22:22:42,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:42,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:42,682 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:42,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743048065] [2021-11-06 22:22:42,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:42,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:42,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:42,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:42,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 22:22:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:42,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:22:42,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:43,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:43,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777586991] [2021-11-06 22:22:43,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:43,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743048065] [2021-11-06 22:22:43,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743048065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:43,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:43,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:43,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708487407] [2021-11-06 22:22:43,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:43,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:43,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:43,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:43,114 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:43,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:43,171 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 22:22:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:43,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 22:22:43,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:43,176 INFO L225 Difference]: With dead ends: 542 [2021-11-06 22:22:43,176 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 22:22:43,177 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:43,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 22:22:43,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 22:22:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 22:22:43,182 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 22:22:43,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:43,183 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 22:22:43,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 22:22:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 22:22:43,183 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:43,184 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:43,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:43,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:43,406 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:43,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 22:22:43,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:43,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986431912] [2021-11-06 22:22:43,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:43,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:43,417 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:43,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545510817] [2021-11-06 22:22:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:43,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:43,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:43,419 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:43,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 22:22:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:43,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:43,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:43,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:22:43,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 22:22:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:22:43,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:43,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986431912] [2021-11-06 22:22:43,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:43,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545510817] [2021-11-06 22:22:43,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545510817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:43,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:43,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:43,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781262167] [2021-11-06 22:22:43,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:43,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:43,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:43,774 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:44,659 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 22:22:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:44,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 22:22:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:44,661 INFO L225 Difference]: With dead ends: 421 [2021-11-06 22:22:44,661 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 22:22:44,661 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 22:22:44,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 22:22:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 22:22:44,676 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 22:22:44,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:44,677 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 22:22:44,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 22:22:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:22:44,678 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:44,678 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:44,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:44,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:44,896 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:44,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:44,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 22:22:44,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:44,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228073753] [2021-11-06 22:22:44,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:44,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:44,919 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:44,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513340835] [2021-11-06 22:22:44,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:44,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:44,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:44,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:44,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 22:22:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:45,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:45,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:22:45,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:45,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228073753] [2021-11-06 22:22:45,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:45,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513340835] [2021-11-06 22:22:45,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513340835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:45,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:45,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:22:45,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566039305] [2021-11-06 22:22:45,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:22:45,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:45,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:22:45,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:45,327 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:45,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:45,395 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 22:22:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:22:45,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:22:45,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:45,397 INFO L225 Difference]: With dead ends: 525 [2021-11-06 22:22:45,397 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 22:22:45,397 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:22:45,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 22:22:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 22:22:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 22:22:45,403 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 22:22:45,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:45,404 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 22:22:45,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 22:22:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:22:45,405 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:45,405 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:45,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:45,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:45,625 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:45,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:45,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 22:22:45,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:45,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396893131] [2021-11-06 22:22:45,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:45,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:45,636 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:45,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727842867] [2021-11-06 22:22:45,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:45,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:45,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:45,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:45,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 22:22:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:45,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:22:45,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:22:46,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:46,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396893131] [2021-11-06 22:22:46,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:46,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727842867] [2021-11-06 22:22:46,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727842867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:46,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:46,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:46,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472924751] [2021-11-06 22:22:46,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:46,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:46,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:46,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:46,092 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:46,138 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 22:22:46,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:22:46,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:22:46,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:46,140 INFO L225 Difference]: With dead ends: 540 [2021-11-06 22:22:46,140 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 22:22:46,143 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 22:22:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 22:22:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 22:22:46,151 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 22:22:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:46,153 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 22:22:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 22:22:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:22:46,155 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:46,155 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:46,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 22:22:46,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:46,372 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:46,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 22:22:46,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:46,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212665101] [2021-11-06 22:22:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:46,385 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:46,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324580004] [2021-11-06 22:22:46,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:46,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:46,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:46,400 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:46,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 22:22:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:46,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:22:46,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:22:46,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:22:46,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212665101] [2021-11-06 22:22:46,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:22:46,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324580004] [2021-11-06 22:22:46,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324580004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:22:46,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:22:46,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:22:46,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357370377] [2021-11-06 22:22:46,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:22:46,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:22:46,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:22:46,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:22:46,933 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:47,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:22:47,106 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 22:22:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:22:47,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 22:22:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:22:47,108 INFO L225 Difference]: With dead ends: 740 [2021-11-06 22:22:47,108 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 22:22:47,108 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:22:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 22:22:47,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 22:22:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 22:22:47,116 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 22:22:47,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:22:47,116 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 22:22:47,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:22:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 22:22:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:22:47,117 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:22:47,117 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:22:47,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-06 22:22:47,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:47,331 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:22:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:22:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 22:22:47,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:22:47,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403297161] [2021-11-06 22:22:47,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:47,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:22:47,356 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:22:47,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339281464] [2021-11-06 22:22:47,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:22:47,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:22:47,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:22:47,358 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:22:47,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 22:22:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:22:47,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:22:47,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:22:47,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:22:47,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 22:22:47,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:47,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 22:22:47,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:47,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:47,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 22:22:48,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 22:22:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 22:22:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 22:22:48,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 22:22:48,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 22:22:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:48,670 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:22:48,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 22:22:48,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 22:22:50,041 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:22:50,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-06 22:22:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:50,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:53,759 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 22:22:53,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 22:22:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:54,526 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:22:54,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-06 22:22:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:55,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 22:22:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:55,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 22:22:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:55,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:55,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:22:55,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 22:22:55,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:55,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:22:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:06,535 WARN L207 SmtUtils]: Spent 5.18 m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 22:28:06,537 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 22:28:06,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 22:28:09,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 22:28:10,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:10,965 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-06 22:28:10,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:11,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:28:11,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 22:28:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:16,612 INFO L244 Elim1Store]: Index analysis took 4029 ms [2021-11-06 22:28:17,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:19,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:19,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:19,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:20,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:20,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:20,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:28:20,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 22:28:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:21,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:22,493 INFO L244 Elim1Store]: Index analysis took 1731 ms [2021-11-06 22:28:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:23,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:23,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:23,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:28:24,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 22:28:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:24,517 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:28:24,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 22:28:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:28:46,639 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 22:28:46,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 22:29:11,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:11,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:11,855 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 22:29:11,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 22:29:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,813 INFO L244 Elim1Store]: Index analysis took 563 ms [2021-11-06 22:29:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:20,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:20,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 22:29:20,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,549 INFO L244 Elim1Store]: Index analysis took 937 ms [2021-11-06 22:29:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:22,135 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:22,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 22:29:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,102 INFO L244 Elim1Store]: Index analysis took 747 ms [2021-11-06 22:29:23,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:23,833 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:23,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 22:29:24,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,631 INFO L244 Elim1Store]: Index analysis took 659 ms [2021-11-06 22:29:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:25,007 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:25,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 22:29:27,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:27,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,091 INFO L244 Elim1Store]: Index analysis took 336 ms [2021-11-06 22:29:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,482 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:28,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 22:29:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,076 INFO L244 Elim1Store]: Index analysis took 432 ms [2021-11-06 22:29:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:29,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:29,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 22:29:30,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,399 INFO L244 Elim1Store]: Index analysis took 326 ms [2021-11-06 22:29:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:30,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:30,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 22:29:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,467 INFO L244 Elim1Store]: Index analysis took 456 ms [2021-11-06 22:29:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,644 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:31,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 22:29:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:31,806 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:29:31,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 22:29:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:31,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,008 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:29:32,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 22:29:32,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,318 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:29:32,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 22:29:32,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,464 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 22:29:32,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 22:29:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,548 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 22:29:32,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 22:29:32,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,626 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:29:32,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 22:29:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,808 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 22:29:32,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 22:29:32,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,869 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:29:32,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 22:29:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:32,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:32,931 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 22:29:32,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 22:29:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,243 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 22:29:34,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 22:29:34,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:34,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:34,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,029 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 22:29:35,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 22:29:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,231 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 22:29:35,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 22:29:35,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,264 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 22:29:35,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 22:29:35,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:35,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,908 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 22:29:35,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 22:29:35,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:35,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:36,076 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 22:29:36,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 22:29:36,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:29:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:29:36,105 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 22:29:36,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 22:29:36,686 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 22:29:36,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 22:29:36,705 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 22:29:36,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 22:29:36,735 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:29:36,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 22:29:36,811 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 22:29:36,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 22:29:59,612 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 22:29:59,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 22:30:34,520 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 22:30:34,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 22:30:39,740 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 22:30:39,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 22:30:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:30:39,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:30:39,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403297161] [2021-11-06 22:30:39,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:30:39,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339281464] [2021-11-06 22:30:39,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339281464] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 22:30:39,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-06 22:30:39,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-11-06 22:30:39,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958353909] [2021-11-06 22:30:39,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 22:30:39,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:30:39,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 22:30:39,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-06 22:30:39,841 INFO L87 Difference]: Start difference. First operand 410 states and 497 transitions. Second operand has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:53,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:30:53,667 INFO L93 Difference]: Finished difference Result 708 states and 865 transitions. [2021-11-06 22:30:53,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-06 22:30:53,668 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 22:30:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:30:53,669 INFO L225 Difference]: With dead ends: 708 [2021-11-06 22:30:53,669 INFO L226 Difference]: Without dead ends: 440 [2021-11-06 22:30:53,670 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2021-11-06 22:30:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-06 22:30:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-11-06 22:30:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 426 states have (on average 1.2300469483568075) internal successors, (524), 431 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 524 transitions. [2021-11-06 22:30:53,678 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 524 transitions. Word has length 110 [2021-11-06 22:30:53,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:30:53,678 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 524 transitions. [2021-11-06 22:30:53,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 524 transitions. [2021-11-06 22:30:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:30:53,679 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:30:53,679 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:30:53,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 22:30:53,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-06 22:30:53,892 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:30:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:30:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash 107832188, now seen corresponding path program 1 times [2021-11-06 22:30:53,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:30:53,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973188972] [2021-11-06 22:30:53,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:30:53,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:30:53,914 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:30:53,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109357756] [2021-11-06 22:30:53,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:30:53,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:30:53,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:30:53,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:30:53,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 22:30:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:30:54,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:30:54,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:30:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:30:54,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:30:54,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973188972] [2021-11-06 22:30:54,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:30:54,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109357756] [2021-11-06 22:30:54,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109357756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:30:54,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:30:54,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:30:54,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589603080] [2021-11-06 22:30:54,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:30:54,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:30:54,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:30:54,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:30:54,817 INFO L87 Difference]: Start difference. First operand 432 states and 524 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:54,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:30:54,854 INFO L93 Difference]: Finished difference Result 789 states and 962 transitions. [2021-11-06 22:30:54,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:30:54,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-06 22:30:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:30:54,856 INFO L225 Difference]: With dead ends: 789 [2021-11-06 22:30:54,856 INFO L226 Difference]: Without dead ends: 411 [2021-11-06 22:30:54,857 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:30:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-11-06 22:30:54,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2021-11-06 22:30:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 405 states have (on average 1.2296296296296296) internal successors, (498), 410 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 498 transitions. [2021-11-06 22:30:54,865 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 498 transitions. Word has length 110 [2021-11-06 22:30:54,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:30:54,865 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 498 transitions. [2021-11-06 22:30:54,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:30:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 498 transitions. [2021-11-06 22:30:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-06 22:30:54,866 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:30:54,867 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:30:54,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 22:30:55,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:30:55,089 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 22:30:55,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:30:55,090 INFO L85 PathProgramCache]: Analyzing trace with hash -949874449, now seen corresponding path program 1 times [2021-11-06 22:30:55,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:30:55,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605269361] [2021-11-06 22:30:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:30:55,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:30:55,102 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:30:55,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [304141548] [2021-11-06 22:30:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:30:55,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:30:55,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:30:55,104 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 22:30:55,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 22:30:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:30:55,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-06 22:30:55,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:30:55,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 22:30:55,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:30:55,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:55,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 22:30:55,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:55,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 22:30:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 22:30:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 22:30:57,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 22:30:57,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 22:30:57,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 22:30:57,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 22:30:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,490 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:30:57,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 22:30:57,682 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-06 22:30:57,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 99 [2021-11-06 22:30:57,705 INFO L354 Elim1Store]: treesize reduction 49, result has 15.5 percent of original size [2021-11-06 22:30:57,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 129 treesize of output 122 [2021-11-06 22:30:57,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:30:57,791 INFO L354 Elim1Store]: treesize reduction 236, result has 12.3 percent of original size [2021-11-06 22:30:57,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 148 treesize of output 150 [2021-11-06 22:31:00,922 INFO L354 Elim1Store]: treesize reduction 547, result has 15.5 percent of original size [2021-11-06 22:31:00,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 2907 treesize of output 2371 [2021-11-06 22:31:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,511 INFO L354 Elim1Store]: treesize reduction 797, result has 18.9 percent of original size [2021-11-06 22:31:05,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 3434 treesize of output 3115 [2021-11-06 22:31:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:12,786 WARN L207 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 541 DAG size of output: 149 [2021-11-06 22:31:12,787 INFO L354 Elim1Store]: treesize reduction 10081, result has 5.9 percent of original size [2021-11-06 22:31:12,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 40 case distinctions, treesize of input 3734 treesize of output 2403 [2021-11-06 22:31:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,608 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-11-06 22:31:36,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 418 [2021-11-06 22:31:36,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,073 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-06 22:31:37,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 889 treesize of output 407 [2021-11-06 22:31:37,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-06 22:31:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 24 [2021-11-06 22:31:37,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,769 INFO L244 Elim1Store]: Index analysis took 168 ms [2021-11-06 22:31:37,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 408 [2021-11-06 22:31:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:37,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,002 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-11-06 22:31:38,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 2773 treesize of output 1918 [2021-11-06 22:31:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-06 22:31:38,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:31:38,568 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:31:38,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 85 [2021-11-06 22:31:38,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:38,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:31:38,662 INFO L190 IndexEqualityManager]: detected not equals via solver Killed by 15