./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.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_FNV_test2-1.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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:36:48,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:36:48,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:36:48,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:36:48,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:36:48,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:36:48,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:36:48,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:36:48,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:36:48,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:36:48,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:36:48,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:36:48,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:36:48,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:36:48,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:36:48,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:36:48,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:36:48,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:36:48,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:36:48,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:36:48,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:36:48,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:36:48,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:36:48,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:36:48,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:36:48,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:36:48,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:36:48,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:36:48,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:36:48,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:36:48,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:36:48,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:36:48,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:36:48,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:36:48,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:36:48,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:36:48,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:36:48,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:36:48,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:36:48,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:36:48,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:36:48,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:36:48,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:36:48,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:36:48,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:36:48,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:36:48,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:36:48,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:36:48,872 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:36:48,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:36:48,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:36:48,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:36:48,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:36:48,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:36:48,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:36:48,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:36:48,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:36:48,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:36:48,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:36:48,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:36:48,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:36:48,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:36:48,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:36:48,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:36:48,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:36:48,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:36:48,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:36:48,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:36:48,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:36:48,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2021-11-06 00:36:49,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:36:49,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:36:49,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:36:49,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:36:49,235 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:36:49,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-06 00:36:49,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c2e47e7/bcb37f7e99304c60a99c8f8145de2153/FLAGae3a14061 [2021-11-06 00:36:49,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:36:49,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-06 00:36:49,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c2e47e7/bcb37f7e99304c60a99c8f8145de2153/FLAGae3a14061 [2021-11-06 00:36:50,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24c2e47e7/bcb37f7e99304c60a99c8f8145de2153 [2021-11-06 00:36:50,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:36:50,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:36:50,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:36:50,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:36:50,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:36:50,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:36:50" (1/1) ... [2021-11-06 00:36:50,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683b0384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:50, skipping insertion in model container [2021-11-06 00:36:50,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:36:50" (1/1) ... [2021-11-06 00:36:50,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:36:50,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:36:50,725 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_FNV_test2-1.i[37019,37032] [2021-11-06 00:36:50,838 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_FNV_test2-1.i[47352,47365] [2021-11-06 00:36:50,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:36:50,872 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:36:50,902 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_FNV_test2-1.i[37019,37032] [2021-11-06 00:36:50,971 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_FNV_test2-1.i[47352,47365] [2021-11-06 00:36:50,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:36:51,020 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:36:51,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51 WrapperNode [2021-11-06 00:36:51,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:36:51,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:36:51,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:36:51,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:36:51,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:36:51,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:36:51,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:36:51,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:36:51,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:36:51,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:36:51,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:36:51,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:36:51,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (1/1) ... [2021-11-06 00:36:51,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:36:51,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:51,309 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 00:36:51,317 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 00:36:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:36:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:36:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:36:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:36:51,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:36:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:36:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:36:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:36:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:36:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:36:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:36:52,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:36:52,369 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 00:36:52,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:36:52 BoogieIcfgContainer [2021-11-06 00:36:52,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:36:52,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:36:52,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:36:52,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:36:52,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:36:50" (1/3) ... [2021-11-06 00:36:52,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20648d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:36:52, skipping insertion in model container [2021-11-06 00:36:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:36:51" (2/3) ... [2021-11-06 00:36:52,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20648d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:36:52, skipping insertion in model container [2021-11-06 00:36:52,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:36:52" (3/3) ... [2021-11-06 00:36:52,380 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2021-11-06 00:36:52,385 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:36:52,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 00:36:52,442 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:36:52,447 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 00:36:52,448 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 00:36:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 00:36:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:36:52,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:52,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:36:52,471 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:52,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:52,475 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 00:36:52,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:52,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691409093] [2021-11-06 00:36:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:52,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:52,613 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 00:36:52,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:52,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691409093] [2021-11-06 00:36:52,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691409093] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:52,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:52,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:36:52,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113475155] [2021-11-06 00:36:52,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:52,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:36:52,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:52,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:36:52,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:36:52,652 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 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 00:36:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:52,703 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 00:36:52,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:36:52,705 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 00:36:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:52,717 INFO L225 Difference]: With dead ends: 352 [2021-11-06 00:36:52,717 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 00:36:52,722 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 00:36:52,726 INFO L933 BasicCegarLoop]: 229 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, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:52,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 3.55ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:36:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 00:36:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 00:36:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 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 00:36:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 00:36:52,771 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 00:36:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:52,771 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 00:36:52,771 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 00:36:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 00:36:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 00:36:52,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:52,774 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 00:36:52,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:36:52,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:52,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 00:36:52,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:52,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629054734] [2021-11-06 00:36:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:52,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:52,888 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 00:36:52,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:52,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629054734] [2021-11-06 00:36:52,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629054734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:52,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:52,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:36:52,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279345430] [2021-11-06 00:36:52,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:52,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:36:52,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:52,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:36:52,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:36:52,894 INFO L87 Difference]: Start difference. First operand 173 states and 225 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 00:36:53,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:53,288 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 00:36:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:36:53,289 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 00:36:53,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:53,290 INFO L225 Difference]: With dead ends: 377 [2021-11-06 00:36:53,291 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 00:36:53,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.10ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:36:53,292 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 265.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.85ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 339.74ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:53,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 6.85ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 339.74ms Time] [2021-11-06 00:36:53,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 00:36:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 00:36:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 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 00:36:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 00:36:53,315 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 00:36:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:53,316 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 00:36:53,316 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 00:36:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 00:36:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:36:53,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:53,319 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 00:36:53,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:36:53,320 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:53,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 00:36:53,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:53,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225101787] [2021-11-06 00:36:53,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:53,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:53,364 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:53,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [157989340] [2021-11-06 00:36:53,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:53,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:53,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:53,367 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 00:36:53,371 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 00:36:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:53,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:36:53,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:53,811 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 00:36:53,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:53,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:53,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225101787] [2021-11-06 00:36:53,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:53,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157989340] [2021-11-06 00:36:53,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157989340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:53,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:53,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:36:53,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602833539] [2021-11-06 00:36:53,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:53,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:36:53,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:53,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:36:53,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:53,821 INFO L87 Difference]: Start difference. First operand 175 states and 227 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 00:36:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:53,881 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 00:36:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:36:53,881 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 00:36:53,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:53,884 INFO L225 Difference]: With dead ends: 367 [2021-11-06 00:36:53,884 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 00:36:53,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:53,890 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.01ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:53,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 50.01ms Time] [2021-11-06 00:36:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 00:36:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 00:36:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 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 00:36:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 00:36:53,914 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 00:36:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:53,915 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 00:36:53,915 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 00:36:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 00:36:53,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:36:53,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:53,923 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 00:36:53,951 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 00:36:54,139 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 00:36:54,140 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 00:36:54,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:54,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766917868] [2021-11-06 00:36:54,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:54,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:54,165 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:54,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584981471] [2021-11-06 00:36:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:54,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:54,176 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 00:36:54,186 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 00:36:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:54,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:36:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:54,496 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 00:36:54,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:54,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:54,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766917868] [2021-11-06 00:36:54,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:54,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584981471] [2021-11-06 00:36:54,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584981471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:54,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:54,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:36:54,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385843769] [2021-11-06 00:36:54,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:54,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:36:54,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:54,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:36:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:54,506 INFO L87 Difference]: Start difference. First operand 195 states and 247 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 00:36:54,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:54,569 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 00:36:54,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:36:54,570 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 00:36:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:54,572 INFO L225 Difference]: With dead ends: 298 [2021-11-06 00:36:54,572 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 00:36:54,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:54,576 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.75ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:54,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 52.75ms Time] [2021-11-06 00:36:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 00:36:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 00:36:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 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 00:36:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 00:36:54,589 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 00:36:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:54,591 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 00:36:54,591 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 00:36:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 00:36:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:36:54,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:54,594 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 00:36:54,615 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 00:36:54,803 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 00:36:54,804 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:54,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:54,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 00:36:54,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:54,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140019180] [2021-11-06 00:36:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:54,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:54,834 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:54,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431895515] [2021-11-06 00:36:54,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:54,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:54,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:54,841 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 00:36:54,863 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 00:36:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:55,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:36:55,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:55,191 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 00:36:55,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:55,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:55,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140019180] [2021-11-06 00:36:55,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:55,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431895515] [2021-11-06 00:36:55,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431895515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:55,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:55,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:36:55,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304885387] [2021-11-06 00:36:55,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:55,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:36:55,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:55,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:36:55,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:36:55,194 INFO L87 Difference]: Start difference. First operand 215 states and 267 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 00:36:55,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:55,263 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 00:36:55,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:36:55,263 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 00:36:55,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:55,264 INFO L225 Difference]: With dead ends: 418 [2021-11-06 00:36:55,265 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 00:36:55,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:36:55,266 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.83ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:55,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 1.83ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 54.00ms Time] [2021-11-06 00:36:55,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 00:36:55,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 00:36:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 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 00:36:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 00:36:55,271 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 00:36:55,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:55,272 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 00:36:55,272 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 00:36:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 00:36:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:36:55,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:55,273 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 00:36:55,295 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 00:36:55,487 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 00:36:55,488 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:55,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:55,491 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 00:36:55,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:55,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001826870] [2021-11-06 00:36:55,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:55,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:55,503 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:55,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247970689] [2021-11-06 00:36:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:55,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:55,505 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 00:36:55,506 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 00:36:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:55,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:36:55,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:55,823 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 00:36:55,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:55,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:55,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001826870] [2021-11-06 00:36:55,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:55,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247970689] [2021-11-06 00:36:55,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247970689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:55,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:55,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:36:55,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026150802] [2021-11-06 00:36:55,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:55,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:36:55,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:55,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:36:55,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:36:55,826 INFO L87 Difference]: Start difference. First operand 201 states and 246 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 00:36:55,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:55,887 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 00:36:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:36:55,887 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 00:36:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:55,888 INFO L225 Difference]: With dead ends: 295 [2021-11-06 00:36:55,889 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 00:36:55,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:36:55,889 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.56ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:55,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 48.56ms Time] [2021-11-06 00:36:55,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 00:36:55,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 00:36:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 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 00:36:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 00:36:55,895 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 00:36:55,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:55,895 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 00:36:55,896 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 00:36:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 00:36:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 00:36:55,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:55,896 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 00:36:55,927 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 00:36:56,111 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 00:36:56,112 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:56,112 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 00:36:56,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:56,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63265806] [2021-11-06 00:36:56,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:56,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:56,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:56,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194848912] [2021-11-06 00:36:56,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:56,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:56,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:56,126 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 00:36:56,131 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 00:36:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:56,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:36:56,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:56,597 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 00:36:56,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:56,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:56,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63265806] [2021-11-06 00:36:56,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:56,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194848912] [2021-11-06 00:36:56,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194848912] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:56,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:56,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:36:56,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975792097] [2021-11-06 00:36:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:56,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:36:56,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:36:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:56,601 INFO L87 Difference]: Start difference. First operand 187 states and 225 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 00:36:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:56,658 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 00:36:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:36:56,658 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 00:36:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:56,660 INFO L225 Difference]: With dead ends: 486 [2021-11-06 00:36:56,660 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 00:36:56,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:36:56,661 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.24ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:56,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 47.24ms Time] [2021-11-06 00:36:56,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 00:36:56,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 00:36:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 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 00:36:56,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 00:36:56,669 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 00:36:56,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:56,669 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 00:36:56,669 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 00:36:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 00:36:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:36:56,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:56,670 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 00:36:56,699 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 00:36:56,895 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 00:36:56,896 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:56,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 00:36:56,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:56,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780837376] [2021-11-06 00:36:56,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:56,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:56,916 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:56,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068646421] [2021-11-06 00:36:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:56,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:56,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:56,920 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 00:36:56,920 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 00:36:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:57,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:36:57,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:57,290 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 00:36:57,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:36:57,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:36:57,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780837376] [2021-11-06 00:36:57,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:36:57,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068646421] [2021-11-06 00:36:57,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068646421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:36:57,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:36:57,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:36:57,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397376799] [2021-11-06 00:36:57,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:36:57,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:36:57,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:36:57,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:36:57,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:36:57,293 INFO L87 Difference]: Start difference. First operand 291 states and 350 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 00:36:57,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:36:57,453 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 00:36:57,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:36:57,455 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 00:36:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:36:57,456 INFO L225 Difference]: With dead ends: 474 [2021-11-06 00:36:57,457 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 00:36:57,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:36:57,458 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.92ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.53ms IncrementalHoareTripleChecker+Time [2021-11-06 00:36:57,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.92ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 141.53ms Time] [2021-11-06 00:36:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 00:36:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 00:36:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 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 00:36:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 00:36:57,464 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 00:36:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:36:57,465 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 00:36:57,465 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 00:36:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 00:36:57,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:36:57,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:36:57,466 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 00:36:57,494 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 00:36:57,687 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 00:36:57,688 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:36:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:36:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 00:36:57,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:36:57,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083672947] [2021-11-06 00:36:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:57,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:36:57,699 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:36:57,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136166560] [2021-11-06 00:36:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:36:57,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:36:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:36:57,701 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 00:36:57,731 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 00:36:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:36:57,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:36:57,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:36:57,917 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 00:36:57,923 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 00:36:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:57,952 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 00:36:58,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,009 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 00:36:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,840 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 00:36:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,848 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 00:36:58,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,924 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 00:36:58,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:58,943 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 00:36:58,989 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 00:36:58,995 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 00:36:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,009 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:36:59,010 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 00:36:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:36:59,031 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 00:37:00,409 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:37:00,410 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 00:37:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,624 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:37:01,625 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 00:37:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:06,863 WARN L230 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 00:37:06,864 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 00:37:06,865 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 00:37:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:07,502 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 00:37:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:07,653 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 00:37:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:10,733 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-06 00:37:10,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-06 00:37:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:11,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:24,988 WARN L230 SmtUtils]: Spent 10.22m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 00:47:24,990 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 00:47:24,995 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 1851380 treesize of output 765901 [2021-11-06 00:47:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,856 INFO L244 Elim1Store]: Index analysis took 322 ms [2021-11-06 00:47:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:31,138 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:47:31,138 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 00:47:33,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:34,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:36,766 INFO L244 Elim1Store]: Index analysis took 3497 ms [2021-11-06 00:47:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:37,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:37,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:38,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:39,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:39,866 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:47:39,867 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 1023 treesize of output 442 [2021-11-06 00:47:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:40,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:41,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:41,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:41,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:42,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:42,172 INFO L244 Elim1Store]: Index analysis took 1928 ms [2021-11-06 00:47:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:44,723 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:47:44,723 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 758 treesize of output 356 [2021-11-06 00:47:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,711 INFO L244 Elim1Store]: Index analysis took 1654 ms [2021-11-06 00:47:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:47,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:48,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:47:48,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:47:48,614 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