./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:23:06,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:23:06,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:23:06,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:23:06,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:23:06,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:23:06,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:23:06,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:23:06,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:23:06,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:23:06,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:23:06,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:23:06,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:23:06,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:23:06,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:23:06,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:23:06,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:23:06,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:23:06,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:23:06,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:23:06,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:23:06,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:23:06,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:23:06,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:23:06,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:23:06,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:23:06,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:23:06,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:23:06,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:23:06,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:23:06,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:23:06,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:23:06,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:23:06,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:23:06,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:23:06,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:23:06,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:23:06,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:23:06,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:23:06,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:23:06,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:23:06,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:23:06,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:23:06,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:23:06,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:23:06,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:23:06,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:23:06,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:23:06,516 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:23:06,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:23:06,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:23:06,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:23:06,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:23:06,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:23:06,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:23:06,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:23:06,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:23:06,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:23:06,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:23:06,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:23:06,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:23:06,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:23:06,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:23:06,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:23:06,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2021-11-06 00:23:06,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:23:06,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:23:06,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:23:06,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:23:06,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:23:06,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-06 00:23:06,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc4b83c/7034a9f853504717837ae5f6f97f6742/FLAG52da77a96 [2021-11-06 00:23:07,406 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:23:07,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-06 00:23:07,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc4b83c/7034a9f853504717837ae5f6f97f6742/FLAG52da77a96 [2021-11-06 00:23:07,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcc4b83c/7034a9f853504717837ae5f6f97f6742 [2021-11-06 00:23:07,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:23:07,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:23:07,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:23:07,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:23:07,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:23:07,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:23:07" (1/1) ... [2021-11-06 00:23:07,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc5e73b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:07, skipping insertion in model container [2021-11-06 00:23:07,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:23:07" (1/1) ... [2021-11-06 00:23:07,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:23:07,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:23:08,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-06 00:23:08,413 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-06 00:23:08,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:23:08,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:23:08,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-06 00:23:08,518 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-06 00:23:08,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:23:08,558 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:23:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08 WrapperNode [2021-11-06 00:23:08,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:23:08,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:23:08,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:23:08,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:23:08,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:23:08,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:23:08,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:23:08,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:23:08,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:23:08,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:23:08,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:23:08,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:23:08,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (1/1) ... [2021-11-06 00:23:08,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:23:09,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:09,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 00:23:09,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 00:23:09,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:23:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:23:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:23:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:23:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:23:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:23:11,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:23:11,339 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 00:23:11,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:23:11 BoogieIcfgContainer [2021-11-06 00:23:11,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:23:11,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:23:11,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:23:11,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:23:11,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:23:07" (1/3) ... [2021-11-06 00:23:11,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d001013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:23:11, skipping insertion in model container [2021-11-06 00:23:11,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:23:08" (2/3) ... [2021-11-06 00:23:11,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d001013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:23:11, skipping insertion in model container [2021-11-06 00:23:11,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:23:11" (3/3) ... [2021-11-06 00:23:11,350 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2021-11-06 00:23:11,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:23:11,355 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 00:23:11,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:23:11,408 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 00:23:11,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 00:23:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:23:11,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:11,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:23:11,457 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:11,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 00:23:11,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:11,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252299927] [2021-11-06 00:23:11,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:11,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:11,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:11,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252299927] [2021-11-06 00:23:11,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252299927] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:11,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:11,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:23:11,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364087759] [2021-11-06 00:23:11,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:11,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:23:11,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:23:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:23:11,613 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:11,709 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 00:23:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:23:11,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 00:23:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:11,732 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 00:23:11,733 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 00:23:11,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:23:11,742 INFO L933 BasicCegarLoop]: 2704 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, 2704 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:11,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 13.77ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:23:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 00:23:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 00:23:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 00:23:11,847 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 00:23:11,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:11,848 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 00:23:11,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 00:23:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 00:23:11,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:11,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:23:11,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:23:11,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:11,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 00:23:11,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:11,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417535001] [2021-11-06 00:23:11,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:11,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:11,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:11,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417535001] [2021-11-06 00:23:11,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417535001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:11,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:11,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:23:11,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499252612] [2021-11-06 00:23:11,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:11,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:23:11,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:11,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:23:11,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:23:11,950 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:12,258 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 00:23:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:23:12,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 00:23:12,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:12,273 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 00:23:12,273 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 00:23:12,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:23:12,282 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.71ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 214.39ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:12,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 16.71ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 214.39ms Time] [2021-11-06 00:23:12,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 00:23:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 00:23:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 00:23:12,341 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 00:23:12,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:12,342 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 00:23:12,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 00:23:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:23:12,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:12,348 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] [2021-11-06 00:23:12,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:23:12,348 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:12,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:12,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 00:23:12,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:12,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599311416] [2021-11-06 00:23:12,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:12,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:12,364 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:12,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [329670147] [2021-11-06 00:23:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:12,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:12,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:12,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:12,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 00:23:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:12,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:23:12,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:12,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:12,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:12,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599311416] [2021-11-06 00:23:12,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:12,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329670147] [2021-11-06 00:23:12,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329670147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:12,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:12,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:23:12,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805301340] [2021-11-06 00:23:12,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:12,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:23:12,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:12,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:23:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:12,704 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:12,790 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 00:23:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:23:12,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:23:12,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:12,796 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 00:23:12,796 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 00:23:12,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:12,799 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.91ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.40ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:12,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 10.91ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 51.40ms Time] [2021-11-06 00:23:12,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 00:23:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 00:23:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 00:23:12,831 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 00:23:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:12,831 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 00:23:12,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 00:23:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:23:12,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:12,833 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] [2021-11-06 00:23:12,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 00:23:13,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:13,048 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:13,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 00:23:13,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:13,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556479882] [2021-11-06 00:23:13,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:13,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:13,060 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:13,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806046080] [2021-11-06 00:23:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:13,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:13,065 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:13,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 00:23:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:13,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:23:13,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:23:13,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:13,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:13,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556479882] [2021-11-06 00:23:13,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:13,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806046080] [2021-11-06 00:23:13,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806046080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:13,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:13,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:23:13,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946284757] [2021-11-06 00:23:13,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:13,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:23:13,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:13,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:23:13,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:13,307 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:13,372 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 00:23:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:23:13,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:23:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:13,379 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 00:23:13,379 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 00:23:13,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:13,384 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.64ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.36ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:13,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 4.64ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 38.36ms Time] [2021-11-06 00:23:13,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 00:23:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 00:23:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 00:23:13,418 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 00:23:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:13,420 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 00:23:13,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 00:23:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:23:13,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:13,426 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] [2021-11-06 00:23:13,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 00:23:13,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 00:23:13,636 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:13,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 00:23:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:13,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030567165] [2021-11-06 00:23:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:13,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:13,646 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:13,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730514818] [2021-11-06 00:23:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:13,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:13,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:13,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:13,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 00:23:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:13,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:23:13,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:13,935 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:13,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:13,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030567165] [2021-11-06 00:23:13,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:13,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730514818] [2021-11-06 00:23:13,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730514818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:13,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:13,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:23:13,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390367749] [2021-11-06 00:23:13,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:13,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:23:13,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:13,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:23:13,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:23:13,944 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:14,023 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 00:23:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:23:14,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:23:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:14,029 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 00:23:14,029 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 00:23:14,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:23:14,033 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.32ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.16ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:14,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 6.32ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 40.16ms Time] [2021-11-06 00:23:14,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 00:23:14,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 00:23:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 00:23:14,072 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 00:23:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:14,072 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 00:23:14,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 00:23:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:23:14,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:14,074 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] [2021-11-06 00:23:14,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 00:23:14,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:14,288 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 00:23:14,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:14,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462510078] [2021-11-06 00:23:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:14,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:14,298 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:14,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746519634] [2021-11-06 00:23:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:14,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:14,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:14,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:14,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 00:23:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:14,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:23:14,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:23:14,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:14,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:14,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462510078] [2021-11-06 00:23:14,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:14,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746519634] [2021-11-06 00:23:14,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746519634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:14,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:14,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:23:14,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396782554] [2021-11-06 00:23:14,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:14,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:23:14,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:23:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:23:14,547 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:14,629 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 00:23:14,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:23:14,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:23:14,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:14,635 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 00:23:14,636 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 00:23:14,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.33ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:23:14,639 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.55ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.22ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:14,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 5.55ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 51.22ms Time] [2021-11-06 00:23:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 00:23:14,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 00:23:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 00:23:14,666 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 00:23:14,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:14,666 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 00:23:14,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 00:23:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:23:14,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:14,667 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] [2021-11-06 00:23:14,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 00:23:14,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:14,885 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:14,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:14,885 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 00:23:14,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:14,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569858456] [2021-11-06 00:23:14,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:14,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:14,901 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:14,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074038288] [2021-11-06 00:23:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:14,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:14,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:14,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 00:23:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:15,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:23:15,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:15,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:15,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:15,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569858456] [2021-11-06 00:23:15,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:15,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074038288] [2021-11-06 00:23:15,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074038288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:15,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:15,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:23:15,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238775313] [2021-11-06 00:23:15,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:15,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:23:15,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:23:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:15,261 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:15,358 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 00:23:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:23:15,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 00:23:15,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:15,370 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 00:23:15,370 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 00:23:15,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:23:15,375 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.10ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.40ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:15,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 7.10ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 43.40ms Time] [2021-11-06 00:23:15,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 00:23:15,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 00:23:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 00:23:15,432 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 00:23:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:15,432 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 00:23:15,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 00:23:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:23:15,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:15,434 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] [2021-11-06 00:23:15,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 00:23:15,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:15,639 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:15,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 00:23:15,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:15,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828231631] [2021-11-06 00:23:15,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:15,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:15,655 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:15,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47612177] [2021-11-06 00:23:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:15,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:15,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:15,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:15,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 00:23:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:15,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:23:15,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:23:15,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:23:15,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:23:16,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828231631] [2021-11-06 00:23:16,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:23:16,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47612177] [2021-11-06 00:23:16,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47612177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:23:16,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:23:16,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:23:16,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292541466] [2021-11-06 00:23:16,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:23:16,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:23:16,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:23:16,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:23:16,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:23:16,002 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:16,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:23:16,177 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 00:23:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:23:16,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:23:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:23:16,185 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 00:23:16,185 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 00:23:16,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:23:16,190 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.21ms IncrementalHoareTripleChecker+Time [2021-11-06 00:23:16,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 7.27ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 123.21ms Time] [2021-11-06 00:23:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 00:23:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 00:23:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:16,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 00:23:16,262 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 00:23:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:23:16,262 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 00:23:16,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:23:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 00:23:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:23:16,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:23:16,264 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] [2021-11-06 00:23:16,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 00:23:16,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:16,476 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 00:23:16,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:23:16,476 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 00:23:16,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:23:16,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922333141] [2021-11-06 00:23:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:16,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:23:16,487 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:23:16,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070675140] [2021-11-06 00:23:16,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:23:16,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:23:16,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:23:16,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:23:16,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 00:23:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:23:16,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:23:16,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:23:16,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 00:23:16,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:23:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:16,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 00:23:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:16,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:16,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:16,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 00:23:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 00:23:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 00:23:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 00:23:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 00:23:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 00:23:17,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 00:23:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,731 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:23:17,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 00:23:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:17,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 00:23:18,844 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:23:18,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 00:23:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,129 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:23:20,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 00:23:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:20,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:25,779 WARN L230 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 00:23:25,782 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 00:23:25,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 00:23:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:26,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 00:23:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:26,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:23:28,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:23:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:23:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:23:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:28,657 INFO L244 Elim1Store]: Index analysis took 224 ms [2021-11-06 00:23:28,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-06 00:23:29,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:23:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:23:29,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:23:29,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:31:59,647 WARN L230 SmtUtils]: Spent 8.49m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 00:31:59,648 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 00:31:59,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-06 00:32:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,481 INFO L244 Elim1Store]: Index analysis took 351 ms [2021-11-06 00:32:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:03,877 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:32:03,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-06 00:32:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,343 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-06 00:32:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,578 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:32:04,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-06 00:32:04,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:04,994 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-11-06 00:32:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,280 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:32:05,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 00:32:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,656 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-11-06 00:32:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:05,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:32:06,019 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:32:06,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15