./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 22:56:42,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 22:56:42,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 22:56:42,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 22:56:42,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 22:56:42,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 22:56:42,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 22:56:42,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 22:56:42,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 22:56:42,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 22:56:42,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 22:56:42,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 22:56:42,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 22:56:42,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 22:56:42,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 22:56:42,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 22:56:42,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 22:56:42,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 22:56:42,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 22:56:42,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 22:56:42,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 22:56:42,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 22:56:42,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 22:56:42,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 22:56:42,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 22:56:42,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 22:56:42,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 22:56:42,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 22:56:42,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 22:56:42,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 22:56:42,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 22:56:42,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 22:56:42,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 22:56:42,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 22:56:42,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 22:56:42,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 22:56:42,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 22:56:42,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 22:56:42,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 22:56:42,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 22:56:42,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 22:56:42,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 22:56:42,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 22:56:42,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 22:56:42,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 22:56:42,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 22:56:42,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 22:56:42,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 22:56:42,931 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 22:56:42,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 22:56:42,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 22:56:42,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 22:56:42,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 22:56:42,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 22:56:42,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 22:56:42,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 22:56:42,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 22:56:42,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:56:42,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 22:56:42,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 22:56:42,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 22:56:42,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2021-11-07 22:56:43,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 22:56:43,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 22:56:43,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 22:56:43,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 22:56:43,131 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 22:56:43,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2021-11-07 22:56:43,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf386ba4c/62a442c922534f37bef2b8a1e7805fb3/FLAG7efdfeab0 [2021-11-07 22:56:43,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 22:56:43,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2021-11-07 22:56:43,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf386ba4c/62a442c922534f37bef2b8a1e7805fb3/FLAG7efdfeab0 [2021-11-07 22:56:43,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf386ba4c/62a442c922534f37bef2b8a1e7805fb3 [2021-11-07 22:56:43,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 22:56:43,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 22:56:43,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 22:56:43,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 22:56:43,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 22:56:43,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:43" (1/1) ... [2021-11-07 22:56:43,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783f193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:43, skipping insertion in model container [2021-11-07 22:56:43,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:56:43" (1/1) ... [2021-11-07 22:56:43,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 22:56:43,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 22:56:44,256 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_SFH_test3-2.i[33021,33034] [2021-11-07 22:56:44,334 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_SFH_test3-2.i[44590,44603] [2021-11-07 22:56:44,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:56:44,359 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 22:56:44,378 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_SFH_test3-2.i[33021,33034] [2021-11-07 22:56:44,419 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_SFH_test3-2.i[44590,44603] [2021-11-07 22:56:44,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:56:44,453 INFO L208 MainTranslator]: Completed translation [2021-11-07 22:56:44,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44 WrapperNode [2021-11-07 22:56:44,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 22:56:44,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 22:56:44,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 22:56:44,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 22:56:44,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 22:56:44,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 22:56:44,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 22:56:44,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 22:56:44,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 22:56:44,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 22:56:44,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 22:56:44,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 22:56:44,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (1/1) ... [2021-11-07 22:56:44,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:56:44,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:44,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 22:56:44,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 22:56:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 22:56:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 22:56:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 22:56:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 22:56:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 22:56:45,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 22:56:45,551 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-07 22:56:45,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:45 BoogieIcfgContainer [2021-11-07 22:56:45,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 22:56:45,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 22:56:45,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 22:56:45,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 22:56:45,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:56:43" (1/3) ... [2021-11-07 22:56:45,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a0c9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:45, skipping insertion in model container [2021-11-07 22:56:45,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:56:44" (2/3) ... [2021-11-07 22:56:45,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46a0c9f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:56:45, skipping insertion in model container [2021-11-07 22:56:45,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:56:45" (3/3) ... [2021-11-07 22:56:45,558 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-2.i [2021-11-07 22:56:45,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 22:56:45,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 22:56:45,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 22:56:45,602 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 22:56:45,602 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 22:56:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 22:56:45,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:45,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:45,625 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:45,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:45,628 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-07 22:56:45,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:45,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583924955] [2021-11-07 22:56:45,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:45,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:45,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:45,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583924955] [2021-11-07 22:56:45,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583924955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:45,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:45,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 22:56:45,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579170235] [2021-11-07 22:56:45,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:45,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 22:56:45,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:45,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 22:56:45,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:56:45,772 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:45,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:45,822 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-07 22:56:45,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 22:56:45,826 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 22:56:45,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:45,836 INFO L225 Difference]: With dead ends: 460 [2021-11-07 22:56:45,836 INFO L226 Difference]: Without dead ends: 198 [2021-11-07 22:56:45,842 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 [2021-11-07 22:56:45,846 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:45,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 3.12ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 22:56:45,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-07 22:56:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-07 22:56:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-07 22:56:45,882 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-07 22:56:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:45,882 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-07 22:56:45,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-07 22:56:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 22:56:45,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:45,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:45,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 22:56:45,883 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:45,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-07 22:56:45,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:45,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693443632] [2021-11-07 22:56:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:45,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:45,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:45,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693443632] [2021-11-07 22:56:45,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693443632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:45,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:45,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:56:45,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546942058] [2021-11-07 22:56:45,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:45,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:56:45,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:45,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:56:45,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:56:45,932 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:46,186 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-07 22:56:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:56:46,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 22:56:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:46,188 INFO L225 Difference]: With dead ends: 445 [2021-11-07 22:56:46,188 INFO L226 Difference]: Without dead ends: 337 [2021-11-07 22:56:46,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:56:46,189 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 179.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.36ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 220.84ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:46,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 4.36ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 220.84ms Time] [2021-11-07 22:56:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-07 22:56:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-07 22:56:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-07 22:56:46,203 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-07 22:56:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:46,203 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-07 22:56:46,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-07 22:56:46,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:56:46,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:46,207 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:46,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 22:56:46,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:46,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-07 22:56:46,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:46,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794897256] [2021-11-07 22:56:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:46,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:46,243 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:46,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793044360] [2021-11-07 22:56:46,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:46,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:46,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:46,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:46,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 22:56:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:46,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:56:46,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:46,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:46,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:46,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794897256] [2021-11-07 22:56:46,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:46,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793044360] [2021-11-07 22:56:46,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793044360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:46,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:46,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:56:46,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54228025] [2021-11-07 22:56:46,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:46,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:56:46,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:46,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:56:46,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:46,531 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:46,594 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-07 22:56:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:56:46,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 22:56:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:46,595 INFO L225 Difference]: With dead ends: 417 [2021-11-07 22:56:46,595 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 22:56:46,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.10ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:46,596 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.07ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:46,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 57.07ms Time] [2021-11-07 22:56:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 22:56:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-07 22:56:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-07 22:56:46,603 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-07 22:56:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:46,603 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-07 22:56:46,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-07 22:56:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:56:46,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:46,604 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:46,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:46,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:46,828 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:46,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-07 22:56:46,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:46,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300762700] [2021-11-07 22:56:46,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:46,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:46,839 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:46,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834663168] [2021-11-07 22:56:46,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:46,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:46,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:46,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 22:56:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:46,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:56:46,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:47,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:47,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:47,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300762700] [2021-11-07 22:56:47,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:47,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834663168] [2021-11-07 22:56:47,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834663168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:47,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:47,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:56:47,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159161707] [2021-11-07 22:56:47,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:47,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:56:47,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:47,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:56:47,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:56:47,068 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:47,117 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-07 22:56:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:56:47,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 22:56:47,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:47,118 INFO L225 Difference]: With dead ends: 428 [2021-11-07 22:56:47,118 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 22:56:47,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:56:47,119 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.18ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.00ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:47,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.18ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 40.00ms Time] [2021-11-07 22:56:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 22:56:47,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-07 22:56:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-07 22:56:47,125 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-07 22:56:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:47,126 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-07 22:56:47,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-07 22:56:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-07 22:56:47,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:47,127 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:47,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:47,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 22:56:47,343 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-07 22:56:47,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:47,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073633078] [2021-11-07 22:56:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:47,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:47,355 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:47,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129773458] [2021-11-07 22:56:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:47,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:47,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:47,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:47,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 22:56:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:47,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:56:47,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:47,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:47,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:47,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073633078] [2021-11-07 22:56:47,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:47,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129773458] [2021-11-07 22:56:47,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129773458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:47,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:47,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:56:47,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604013438] [2021-11-07 22:56:47,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:47,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:56:47,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:47,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:56:47,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:47,687 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:47,733 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-07 22:56:47,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:56:47,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-07 22:56:47,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:47,735 INFO L225 Difference]: With dead ends: 542 [2021-11-07 22:56:47,735 INFO L226 Difference]: Without dead ends: 340 [2021-11-07 22:56:47,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:47,736 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.11ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:47,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 39.11ms Time] [2021-11-07 22:56:47,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-07 22:56:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-07 22:56:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-07 22:56:47,743 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-07 22:56:47,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:47,743 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-07 22:56:47,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:47,743 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-07 22:56:47,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 22:56:47,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:47,744 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:47,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:47,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:47,965 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-07 22:56:47,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:47,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349585194] [2021-11-07 22:56:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:47,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:47,976 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:47,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515158293] [2021-11-07 22:56:47,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:47,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:47,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:47,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:47,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 22:56:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:48,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:56:48,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:48,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 22:56:48,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 22:56:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:56:48,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:48,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:48,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349585194] [2021-11-07 22:56:48,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:48,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515158293] [2021-11-07 22:56:48,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515158293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:48,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:48,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:56:48,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413962866] [2021-11-07 22:56:48,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:48,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:56:48,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:56:48,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:56:48,248 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:49,133 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-07 22:56:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:56:49,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 22:56:49,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:49,135 INFO L225 Difference]: With dead ends: 421 [2021-11-07 22:56:49,135 INFO L226 Difference]: Without dead ends: 396 [2021-11-07 22:56:49,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:56:49,136 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 831.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.65ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 869.89ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:49,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.65ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 869.89ms Time] [2021-11-07 22:56:49,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-07 22:56:49,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-07 22:56:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-07 22:56:49,143 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-07 22:56:49,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:49,143 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-07 22:56:49,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-07 22:56:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:56:49,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:49,145 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:49,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:49,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:49,353 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-07 22:56:49,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:49,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648335420] [2021-11-07 22:56:49,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:49,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:49,363 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:49,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217514404] [2021-11-07 22:56:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:49,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:49,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:49,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:49,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 22:56:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:49,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:56:49,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:56:49,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:49,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:49,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648335420] [2021-11-07 22:56:49,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:49,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217514404] [2021-11-07 22:56:49,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217514404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:49,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:49,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:56:49,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218440076] [2021-11-07 22:56:49,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:49,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:56:49,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:49,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:56:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:49,646 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:49,709 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-07 22:56:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:56:49,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 22:56:49,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:49,711 INFO L225 Difference]: With dead ends: 525 [2021-11-07 22:56:49,711 INFO L226 Difference]: Without dead ends: 356 [2021-11-07 22:56:49,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:56:49,712 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.99ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:49,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 54.99ms Time] [2021-11-07 22:56:49,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-07 22:56:49,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-07 22:56:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-07 22:56:49,721 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-07 22:56:49,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:49,721 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-07 22:56:49,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-07 22:56:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:56:49,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:49,722 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:49,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:49,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:49,927 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:49,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-07 22:56:49,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:49,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835859164] [2021-11-07 22:56:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:49,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:49,937 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:49,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412319661] [2021-11-07 22:56:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:49,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:49,938 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:49,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 22:56:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:50,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:56:50,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 22:56:50,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:50,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:50,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835859164] [2021-11-07 22:56:50,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:50,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412319661] [2021-11-07 22:56:50,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412319661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:50,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:50,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:56:50,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710374140] [2021-11-07 22:56:50,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:50,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:56:50,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:56:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:56:50,211 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:50,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:50,253 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-07 22:56:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:56:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 22:56:50,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:50,254 INFO L225 Difference]: With dead ends: 540 [2021-11-07 22:56:50,255 INFO L226 Difference]: Without dead ends: 331 [2021-11-07 22:56:50,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.29ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:56:50,255 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.25ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:50,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 32.25ms Time] [2021-11-07 22:56:50,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-07 22:56:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-07 22:56:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-07 22:56:50,262 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-07 22:56:50,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:50,262 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-07 22:56:50,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-07 22:56:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:56:50,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:50,263 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:50,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:50,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:50,480 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:50,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:50,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-07 22:56:50,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:50,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56350960] [2021-11-07 22:56:50,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:50,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:50,490 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:50,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9746712] [2021-11-07 22:56:50,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:50,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:50,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:50,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:50,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 22:56:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:50,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:56:50,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 22:56:50,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:56:50,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:56:50,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56350960] [2021-11-07 22:56:50,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:56:50,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9746712] [2021-11-07 22:56:50,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9746712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:56:50,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:56:50,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:56:50,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267737650] [2021-11-07 22:56:50,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:56:50,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:56:50,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:56:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:56:50,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:56:50,835 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:51,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:56:51,011 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-07 22:56:51,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 22:56:51,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 22:56:51,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:56:51,013 INFO L225 Difference]: With dead ends: 740 [2021-11-07 22:56:51,013 INFO L226 Difference]: Without dead ends: 462 [2021-11-07 22:56:51,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.71ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:56:51,014 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.44ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.95ms IncrementalHoareTripleChecker+Time [2021-11-07 22:56:51,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.44ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 160.95ms Time] [2021-11-07 22:56:51,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-07 22:56:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-07 22:56:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-07 22:56:51,022 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-07 22:56:51,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:56:51,022 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-07 22:56:51,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 22:56:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-07 22:56:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 22:56:51,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:56:51,023 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:56:51,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 22:56:51,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:51,243 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 22:56:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:56:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-07 22:56:51,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:56:51,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80305624] [2021-11-07 22:56:51,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:51,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:56:51,253 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:56:51,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016197643] [2021-11-07 22:56:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:56:51,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:56:51,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:56:51,254 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 22:56:51,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 22:56:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:56:51,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 22:56:51,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:56:51,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 22:56:51,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 22:56:51,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:51,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 22:56:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:51,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:51,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 22:56:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 22:56:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 22:56:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-07 22:56:52,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-07 22:56:52,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 22:56:52,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:52,312 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 22:56:52,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 22:56:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 22:56:53,743 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 22:56:53,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-07 22:56:53,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:57,316 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-07 22:56:57,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-07 22:56:57,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:58,084 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 22:56:58,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-07 22:56:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:58,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 22:56:58,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:58,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 22:56:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:56:59,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-07 22:56:59,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:56:59,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:56:59,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:30,245 WARN L227 SmtUtils]: Spent 5.51m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 23:02:30,246 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-07 23:02:30,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-07 23:02:32,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 23:02:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,355 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-07 23:02:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:34,509 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:34,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-07 23:02:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:39,062 INFO L244 Elim1Store]: Index analysis took 3360 ms [2021-11-07 23:02:39,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:39,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:40,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:40,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:41,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:41,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:41,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:41,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:42,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:42,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-07 23:02:42,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:43,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:43,980 INFO L244 Elim1Store]: Index analysis took 1476 ms [2021-11-07 23:02:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:44,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,459 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:45,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-07 23:02:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:02:45,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:02:45,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-07 23:03:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:03,851 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-07 23:03:03,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-07 23:03:22,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:23,144 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-07 23:03:23,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-07 23:03:29,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,669 INFO L244 Elim1Store]: Index analysis took 376 ms [2021-11-07 23:03:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:29,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,057 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:30,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-07 23:03:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:30,886 INFO L244 Elim1Store]: Index analysis took 697 ms [2021-11-07 23:03:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,360 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:31,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-07 23:03:31,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:31,993 INFO L244 Elim1Store]: Index analysis took 499 ms [2021-11-07 23:03:32,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,562 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:32,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-07 23:03:32,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:32,996 INFO L244 Elim1Store]: Index analysis took 348 ms [2021-11-07 23:03:33,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:33,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:33,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:33,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:33,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-07 23:03:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,497 INFO L244 Elim1Store]: Index analysis took 268 ms [2021-11-07 23:03:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:35,756 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:35,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-07 23:03:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,206 INFO L244 Elim1Store]: Index analysis took 332 ms [2021-11-07 23:03:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:36,480 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:36,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-07 23:03:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,175 INFO L244 Elim1Store]: Index analysis took 240 ms [2021-11-07 23:03:37,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,502 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:37,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-07 23:03:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,036 INFO L244 Elim1Store]: Index analysis took 406 ms [2021-11-07 23:03:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:38,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-07 23:03:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,280 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 23:03:38,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-07 23:03:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,455 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 23:03:38,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-07 23:03:38,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,658 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 23:03:38,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-07 23:03:38,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,796 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-07 23:03:38,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-07 23:03:38,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,866 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-07 23:03:38,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-07 23:03:38,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,930 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 23:03:38,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-07 23:03:38,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:38,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:39,041 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-07 23:03:39,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-07 23:03:39,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:39,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,095 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 23:03:39,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-07 23:03:39,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:39,149 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-07 23:03:39,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-07 23:03:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:39,901 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-07 23:03:39,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-07 23:03:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,488 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-07 23:03:40,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-07 23:03:40,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,669 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-07 23:03:40,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-07 23:03:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:40,695 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-07 23:03:40,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-07 23:03:41,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:41,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,178 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-07 23:03:41,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-07 23:03:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:41,316 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-07 23:03:41,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-07 23:03:41,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 23:03:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 23:03:41,342 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-07 23:03:41,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-07 23:03:41,907 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-07 23:03:41,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-07 23:03:41,927 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 23:03:41,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-07 23:03:41,943 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 23:03:41,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-07 23:03:42,018 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-07 23:03:42,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-07 23:03:57,525 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-07 23:03:57,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-07 23:04:23,411 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-07 23:04:23,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-07 23:04:26,908 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-07 23:04:26,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-07 23:04:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 23:04:26,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 23:04:29,177 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-07 23:04:31,300 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-07 23:04:33,363 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-07 23:04:35,554 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15