./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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_JEN_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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 21:45:08,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 21:45:08,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 21:45:08,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 21:45:08,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 21:45:08,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 21:45:08,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 21:45:08,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 21:45:08,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 21:45:08,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 21:45:08,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 21:45:08,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 21:45:08,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 21:45:08,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 21:45:08,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 21:45:08,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 21:45:08,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 21:45:08,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 21:45:08,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 21:45:08,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 21:45:08,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 21:45:08,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 21:45:08,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 21:45:08,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 21:45:08,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 21:45:08,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 21:45:08,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 21:45:08,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 21:45:08,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 21:45:08,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 21:45:08,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 21:45:08,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 21:45:08,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 21:45:08,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 21:45:08,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 21:45:08,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 21:45:08,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 21:45:08,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 21:45:08,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 21:45:08,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 21:45:08,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 21:45:08,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 21:45:08,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 21:45:08,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 21:45:08,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 21:45:08,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 21:45:08,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 21:45:08,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 21:45:08,133 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 21:45:08,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 21:45:08,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 21:45:08,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 21:45:08,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 21:45:08,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 21:45:08,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 21:45:08,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 21:45:08,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 21:45:08,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 21:45:08,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 21:45:08,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:45:08,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 21:45:08,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 21:45:08,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 21:45:08,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2021-11-07 21:45:08,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 21:45:08,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 21:45:08,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 21:45:08,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 21:45:08,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 21:45:08,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2021-11-07 21:45:08,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983af6149/8e0ca1f6ef1e42f8ab1b2a7a55078df3/FLAGc9d28c2e2 [2021-11-07 21:45:08,844 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 21:45:08,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2021-11-07 21:45:08,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983af6149/8e0ca1f6ef1e42f8ab1b2a7a55078df3/FLAGc9d28c2e2 [2021-11-07 21:45:08,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983af6149/8e0ca1f6ef1e42f8ab1b2a7a55078df3 [2021-11-07 21:45:08,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 21:45:08,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 21:45:08,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 21:45:08,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 21:45:08,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 21:45:08,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:45:08" (1/1) ... [2021-11-07 21:45:08,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2743017a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:08, skipping insertion in model container [2021-11-07 21:45:08,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:45:08" (1/1) ... [2021-11-07 21:45:08,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 21:45:08,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 21:45:09,212 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_JEN_test3-2.i[33021,33034] [2021-11-07 21:45:09,313 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_JEN_test3-2.i[44590,44603] [2021-11-07 21:45:09,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:45:09,336 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 21:45:09,356 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_JEN_test3-2.i[33021,33034] [2021-11-07 21:45:09,396 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_JEN_test3-2.i[44590,44603] [2021-11-07 21:45:09,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:45:09,429 INFO L208 MainTranslator]: Completed translation [2021-11-07 21:45:09,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09 WrapperNode [2021-11-07 21:45:09,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 21:45:09,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 21:45:09,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 21:45:09,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 21:45:09,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 21:45:09,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 21:45:09,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 21:45:09,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 21:45:09,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 21:45:09,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 21:45:09,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 21:45:09,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 21:45:09,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (1/1) ... [2021-11-07 21:45:09,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:45:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:09,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 21:45:09,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 21:45:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 21:45:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 21:45:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 21:45:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 21:45:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 21:45:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 21:45:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 21:45:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 21:45:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 21:45:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 21:45:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 21:45:10,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 21:45:10,520 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 21:45:10,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:45:10 BoogieIcfgContainer [2021-11-07 21:45:10,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 21:45:10,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 21:45:10,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 21:45:10,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 21:45:10,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:45:08" (1/3) ... [2021-11-07 21:45:10,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a32759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:45:10, skipping insertion in model container [2021-11-07 21:45:10,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:45:09" (2/3) ... [2021-11-07 21:45:10,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a32759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:45:10, skipping insertion in model container [2021-11-07 21:45:10,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:45:10" (3/3) ... [2021-11-07 21:45:10,530 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2021-11-07 21:45:10,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 21:45:10,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 21:45:10,565 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 21:45:10,568 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 21:45:10,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 21:45:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 21:45:10,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:10,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:10,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:10,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:10,598 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 21:45:10,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:10,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569206133] [2021-11-07 21:45:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:10,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:10,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:10,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569206133] [2021-11-07 21:45:10,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569206133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:10,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:10,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 21:45:10,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432746069] [2021-11-07 21:45:10,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:10,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 21:45:10,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:10,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 21:45:10,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:45:10,754 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:10,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:10,800 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 21:45:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 21:45:10,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 21:45:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:10,811 INFO L225 Difference]: With dead ends: 460 [2021-11-07 21:45:10,812 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 21:45:10,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:45:10,819 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:10,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 4.58ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 21:45:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 21:45:10,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 21:45:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 21:45:10,862 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 21:45:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:10,862 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 21:45:10,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 21:45:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 21:45:10,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:10,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:10,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 21:45:10,864 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:10,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 21:45:10,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:10,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301956977] [2021-11-07 21:45:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:10,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:10,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:10,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301956977] [2021-11-07 21:45:10,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301956977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:10,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:10,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:45:10,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367385929] [2021-11-07 21:45:10,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:10,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:45:10,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:10,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:45:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:45:10,949 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:11,263 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 21:45:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:45:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 21:45:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:11,265 INFO L225 Difference]: With dead ends: 445 [2021-11-07 21:45:11,265 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 21:45:11,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.36ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:45:11,266 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 232.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.32ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 287.54ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:11,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 4.32ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 287.54ms Time] [2021-11-07 21:45:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 21:45:11,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 21:45:11,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 21:45:11,276 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 21:45:11,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:11,276 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 21:45:11,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 21:45:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:45:11,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:11,281 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:11,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 21:45:11,282 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:11,283 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 21:45:11,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:11,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41705101] [2021-11-07 21:45:11,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:11,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:11,310 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:11,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320419213] [2021-11-07 21:45:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:11,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:11,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:11,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:11,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 21:45:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:11,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:45:11,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:11,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:11,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:11,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41705101] [2021-11-07 21:45:11,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:11,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320419213] [2021-11-07 21:45:11,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320419213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:11,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:11,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:45:11,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296595179] [2021-11-07 21:45:11,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:11,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:45:11,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:11,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:45:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:11,647 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:11,700 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 21:45:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:45:11,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 21:45:11,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:11,702 INFO L225 Difference]: With dead ends: 417 [2021-11-07 21:45:11,702 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 21:45:11,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.40ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:11,703 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.07ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:11,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 43.07ms Time] [2021-11-07 21:45:11,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 21:45:11,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 21:45:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 21:45:11,716 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 21:45:11,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:11,716 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 21:45:11,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 21:45:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:45:11,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:11,718 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:11,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:11,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:11,936 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:11,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:11,936 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 21:45:11,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:11,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426055158] [2021-11-07 21:45:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:11,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:11,946 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:11,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779153433] [2021-11-07 21:45:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:11,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:11,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:11,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:11,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 21:45:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:12,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:45:12,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:12,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:12,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:12,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:12,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426055158] [2021-11-07 21:45:12,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:12,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779153433] [2021-11-07 21:45:12,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779153433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:12,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:12,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:45:12,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697224526] [2021-11-07 21:45:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:12,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:45:12,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:12,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:45:12,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:45:12,190 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:12,244 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 21:45:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:45:12,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 21:45:12,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:12,245 INFO L225 Difference]: With dead ends: 428 [2021-11-07 21:45:12,245 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 21:45:12,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:45:12,246 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.89ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:12,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 43.89ms Time] [2021-11-07 21:45:12,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 21:45:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 21:45:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 21:45:12,251 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 21:45:12,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:12,252 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 21:45:12,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 21:45:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 21:45:12,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:12,253 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:12,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:12,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 21:45:12,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:12,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:12,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 21:45:12,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:12,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747342290] [2021-11-07 21:45:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:12,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:12,478 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:12,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584164308] [2021-11-07 21:45:12,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:12,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:12,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:12,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:12,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 21:45:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:12,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:45:12,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:12,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:12,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:12,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747342290] [2021-11-07 21:45:12,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:12,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584164308] [2021-11-07 21:45:12,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584164308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:12,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:12,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:45:12,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538725600] [2021-11-07 21:45:12,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:12,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:45:12,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:12,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:45:12,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:12,844 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:12,890 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 21:45:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:45:12,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 21:45:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:12,892 INFO L225 Difference]: With dead ends: 542 [2021-11-07 21:45:12,892 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 21:45:12,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:12,893 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.25ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:12,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 39.25ms Time] [2021-11-07 21:45:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 21:45:12,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 21:45:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 21:45:12,899 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 21:45:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:12,899 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 21:45:12,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 21:45:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 21:45:12,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:12,900 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:12,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:13,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:13,115 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:13,116 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 21:45:13,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:13,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432228112] [2021-11-07 21:45:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:13,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:13,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:13,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561607717] [2021-11-07 21:45:13,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:13,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:13,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:13,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:13,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 21:45:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:13,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:45:13,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:13,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 21:45:13,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 21:45:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 21:45:13,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:13,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:13,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432228112] [2021-11-07 21:45:13,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:13,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561607717] [2021-11-07 21:45:13,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561607717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:13,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:13,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:45:13,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678598539] [2021-11-07 21:45:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:13,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:45:13,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:13,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:45:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:45:13,393 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:14,252 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 21:45:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:45:14,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 21:45:14,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:14,254 INFO L225 Difference]: With dead ends: 421 [2021-11-07 21:45:14,254 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 21:45:14,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.57ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:45:14,255 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 814.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 846.03ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:14,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 846.03ms Time] [2021-11-07 21:45:14,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 21:45:14,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 21:45:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 21:45:14,272 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 21:45:14,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:14,273 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 21:45:14,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 21:45:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:45:14,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:14,274 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:14,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:14,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:14,492 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:14,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:14,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 21:45:14,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:14,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90264574] [2021-11-07 21:45:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:14,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:14,501 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:14,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581026570] [2021-11-07 21:45:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:14,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:14,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:14,503 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:14,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 21:45:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:45:14,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 21:45:14,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:14,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:14,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90264574] [2021-11-07 21:45:14,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:14,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581026570] [2021-11-07 21:45:14,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581026570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:14,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:14,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:45:14,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535911354] [2021-11-07 21:45:14,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:14,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:45:14,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:14,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:45:14,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:14,754 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:14,798 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 21:45:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:45:14,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 21:45:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:14,799 INFO L225 Difference]: With dead ends: 525 [2021-11-07 21:45:14,800 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 21:45:14,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:45:14,800 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.76ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:14,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 37.76ms Time] [2021-11-07 21:45:14,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 21:45:14,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 21:45:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 21:45:14,807 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 21:45:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:14,807 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 21:45:14,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 21:45:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:45:14,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:14,808 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:14,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:15,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:15,024 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:15,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 21:45:15,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:15,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29396234] [2021-11-07 21:45:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:15,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:15,033 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:15,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047960651] [2021-11-07 21:45:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:15,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:15,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:15,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:15,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 21:45:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:15,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:45:15,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 21:45:15,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:15,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:15,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29396234] [2021-11-07 21:45:15,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:15,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047960651] [2021-11-07 21:45:15,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047960651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:15,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:15,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:45:15,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805778060] [2021-11-07 21:45:15,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:15,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:45:15,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:15,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:45:15,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:45:15,298 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:15,341 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 21:45:15,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:45:15,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 21:45:15,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:15,343 INFO L225 Difference]: With dead ends: 540 [2021-11-07 21:45:15,343 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 21:45:15,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:45:15,344 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.91ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.59ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:15,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 0.91ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 33.59ms Time] [2021-11-07 21:45:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 21:45:15,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 21:45:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 21:45:15,349 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 21:45:15,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:15,349 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 21:45:15,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 21:45:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:45:15,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:15,350 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:15,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:15,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:15,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:15,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:15,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 21:45:15,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:15,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832147906] [2021-11-07 21:45:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:15,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:15,572 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:15,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558652369] [2021-11-07 21:45:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:15,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:15,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:15,574 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:15,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 21:45:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:15,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:45:15,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:45:15,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:45:15,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:45:15,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832147906] [2021-11-07 21:45:15,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:45:15,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558652369] [2021-11-07 21:45:15,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558652369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:45:15,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:45:15,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:45:15,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3993797] [2021-11-07 21:45:15,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:45:15,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:45:15,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:45:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:45:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:45:15,889 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:45:16,068 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 21:45:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 21:45:16,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 21:45:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:45:16,070 INFO L225 Difference]: With dead ends: 740 [2021-11-07 21:45:16,070 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 21:45:16,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.17ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:45:16,071 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.50ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.88ms IncrementalHoareTripleChecker+Time [2021-11-07 21:45:16,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.50ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 163.88ms Time] [2021-11-07 21:45:16,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 21:45:16,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 21:45:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 21:45:16,080 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 21:45:16,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:45:16,080 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 21:45:16,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:45:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 21:45:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 21:45:16,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:45:16,081 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:45:16,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 21:45:16,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:16,298 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:45:16,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:45:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 21:45:16,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:45:16,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897911744] [2021-11-07 21:45:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:16,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:45:16,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:45:16,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915245858] [2021-11-07 21:45:16,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:45:16,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:45:16,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:45:16,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:45:16,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 21:45:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:45:16,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 21:45:16,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:45:16,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 21:45:16,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 21:45:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:16,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 21:45:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:16,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 21:45:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 21:45:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 21:45:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 21:45:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 21:45:17,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 21:45:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:17,389 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 21:45:17,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 21:45:17,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 21:45:18,750 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 21:45:18,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-07 21:45:18,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:18,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:22,295 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 21:45:22,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-07 21:45:22,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:23,044 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 21:45:23,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-07 21:45:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:23,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 21:45:23,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:23,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 21:45:24,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:24,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:45:24,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-07 21:45:24,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:45:24,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:45:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:49:57,003 WARN L227 SmtUtils]: Spent 4.54m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 21:49:57,004 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 21:49:57,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-07 21:49:59,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 21:50:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,264 INFO L244 Elim1Store]: Index analysis took 227 ms [2021-11-07 21:50:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:01,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:01,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-07 21:50:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:04,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:06,095 INFO L244 Elim1Store]: Index analysis took 3366 ms [2021-11-07 21:50:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:06,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:07,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:08,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:09,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:09,364 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:09,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-07 21:50:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:10,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,081 INFO L244 Elim1Store]: Index analysis took 1423 ms [2021-11-07 21:50:11,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:11,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,551 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:12,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-07 21:50:12,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:12,837 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:12,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-07 21:50:30,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:31,056 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 21:50:31,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-07 21:50:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:50,031 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 21:50:50,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-07 21:50:55,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,215 INFO L244 Elim1Store]: Index analysis took 391 ms [2021-11-07 21:50:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:56,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:56,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-07 21:50:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,493 INFO L244 Elim1Store]: Index analysis took 729 ms [2021-11-07 21:50:57,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:57,984 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:57,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-07 21:50:58,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,679 INFO L244 Elim1Store]: Index analysis took 539 ms [2021-11-07 21:50:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:58,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,271 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:59,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-07 21:50:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,714 INFO L244 Elim1Store]: Index analysis took 362 ms [2021-11-07 21:50:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:50:59,958 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:50:59,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-07 21:51:01,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,219 INFO L244 Elim1Store]: Index analysis took 281 ms [2021-11-07 21:51:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,473 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:51:02,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-07 21:51:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,921 INFO L244 Elim1Store]: Index analysis took 342 ms [2021-11-07 21:51:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:02,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,199 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:51:03,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-07 21:51:03,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,891 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-11-07 21:51:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,232 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:51:04,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-07 21:51:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,672 INFO L244 Elim1Store]: Index analysis took 334 ms [2021-11-07 21:51:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,790 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:51:04,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-07 21:51:04,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:04,934 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:51:04,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-07 21:51:04,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:04,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,113 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:51:05,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-07 21:51:05,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,316 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:51:05,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-07 21:51:05,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,454 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 21:51:05,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-07 21:51:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,524 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 21:51:05,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-07 21:51:05,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,590 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:51:05,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-07 21:51:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,710 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 21:51:05,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-07 21:51:05,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,767 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:51:05,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-07 21:51:05,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:05,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:05,823 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 21:51:05,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-07 21:51:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,694 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 21:51:06,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-07 21:51:06,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,312 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 21:51:07,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-07 21:51:07,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,472 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 21:51:07,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-07 21:51:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,499 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 21:51:07,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-07 21:51:07,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:07,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,959 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 21:51:07,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-07 21:51:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:07,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:08,097 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 21:51:08,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-07 21:51:08,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:51:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:51:08,128 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 21:51:08,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-07 21:51:08,679 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 21:51:08,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-07 21:51:08,695 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 21:51:08,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-07 21:51:08,711 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:51:08,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-07 21:51:08,787 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 21:51:08,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-07 21:51:24,554 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 21:51:24,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-07 21:51:50,634 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 21:51:50,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-07 21:51:54,338 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 21:51:54,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-07 21:51:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:51:54,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 21:51:56,609 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-07 21:51:58,739 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-07 21:52:00,824 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-07 21:52:03,091 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15