./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 00:37:16,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 00:37:16,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 00:37:16,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 00:37:16,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 00:37:16,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 00:37:16,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 00:37:16,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 00:37:16,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 00:37:16,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 00:37:16,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 00:37:16,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 00:37:16,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 00:37:16,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 00:37:16,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 00:37:16,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 00:37:16,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 00:37:16,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 00:37:16,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 00:37:16,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 00:37:16,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 00:37:16,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 00:37:16,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 00:37:16,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 00:37:16,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 00:37:16,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 00:37:16,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 00:37:16,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 00:37:16,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 00:37:16,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 00:37:16,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 00:37:16,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 00:37:16,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 00:37:16,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 00:37:16,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 00:37:16,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 00:37:16,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 00:37:16,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 00:37:16,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 00:37:16,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 00:37:16,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 00:37:16,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 00:37:16,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 00:37:16,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 00:37:16,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 00:37:16,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 00:37:16,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 00:37:16,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 00:37:16,991 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 00:37:16,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 00:37:16,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 00:37:16,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 00:37:16,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 00:37:16,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 00:37:16,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 00:37:16,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 00:37:16,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 00:37:16,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 00:37:16,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:37:16,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 00:37:16,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 00:37:16,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 00:37:16,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 00:37:16,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-11-06 00:37:17,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 00:37:17,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 00:37:17,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 00:37:17,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 00:37:17,348 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 00:37:17,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-06 00:37:17,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae95bfb74/cc847cd9c29f4aae935c5e7602eeafb6/FLAGf3b2bccb7 [2021-11-06 00:37:17,880 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 00:37:17,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-06 00:37:17,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae95bfb74/cc847cd9c29f4aae935c5e7602eeafb6/FLAGf3b2bccb7 [2021-11-06 00:37:17,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae95bfb74/cc847cd9c29f4aae935c5e7602eeafb6 [2021-11-06 00:37:17,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 00:37:17,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 00:37:17,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 00:37:17,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 00:37:17,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 00:37:17,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:37:17" (1/1) ... [2021-11-06 00:37:17,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcf4423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:17, skipping insertion in model container [2021-11-06 00:37:17,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:37:17" (1/1) ... [2021-11-06 00:37:17,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 00:37:18,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 00:37:18,351 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-06 00:37:18,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-06 00:37:18,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:37:18,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 00:37:18,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-06 00:37:18,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-06 00:37:18,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 00:37:18,539 INFO L208 MainTranslator]: Completed translation [2021-11-06 00:37:18,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18 WrapperNode [2021-11-06 00:37:18,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 00:37:18,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 00:37:18,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 00:37:18,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 00:37:18,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 00:37:18,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 00:37:18,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 00:37:18,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 00:37:18,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 00:37:18,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 00:37:18,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 00:37:18,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 00:37:18,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (1/1) ... [2021-11-06 00:37:18,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 00:37:18,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:18,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 00:37:18,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 00:37:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 00:37:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 00:37:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 00:37:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 00:37:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 00:37:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 00:37:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 00:37:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 00:37:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 00:37:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 00:37:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 00:37:19,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 00:37:19,669 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 00:37:19,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:37:19 BoogieIcfgContainer [2021-11-06 00:37:19,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 00:37:19,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 00:37:19,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 00:37:19,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 00:37:19,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:37:17" (1/3) ... [2021-11-06 00:37:19,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cead0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:37:19, skipping insertion in model container [2021-11-06 00:37:19,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:37:18" (2/3) ... [2021-11-06 00:37:19,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cead0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:37:19, skipping insertion in model container [2021-11-06 00:37:19,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:37:19" (3/3) ... [2021-11-06 00:37:19,676 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-11-06 00:37:19,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 00:37:19,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 00:37:19,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 00:37:19,714 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 00:37:19,715 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 00:37:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 00:37:19,734 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:19,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:19,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:19,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:19,739 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 00:37:19,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:19,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520240522] [2021-11-06 00:37:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:19,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:19,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:19,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520240522] [2021-11-06 00:37:19,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520240522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:19,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:19,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 00:37:19,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838347466] [2021-11-06 00:37:19,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:19,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 00:37:19,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 00:37:19,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:37:19,872 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:19,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:19,896 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 00:37:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 00:37:19,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 00:37:19,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:19,905 INFO L225 Difference]: With dead ends: 460 [2021-11-06 00:37:19,906 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 00:37:19,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 00:37:19,911 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, 1.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:19,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.63ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 00:37:19,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 00:37:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 00:37:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 00:37:19,942 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 00:37:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:19,943 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 00:37:19,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 00:37:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 00:37:19,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:19,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:19,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 00:37:19,944 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 00:37:19,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:19,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800025819] [2021-11-06 00:37:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:19,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:20,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:20,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800025819] [2021-11-06 00:37:20,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800025819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:20,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:20,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:37:20,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056374273] [2021-11-06 00:37:20,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:20,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:37:20,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:20,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:37:20,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:37:20,007 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:20,375 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 00:37:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:37:20,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-06 00:37:20,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:20,378 INFO L225 Difference]: With dead ends: 445 [2021-11-06 00:37:20,378 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 00:37:20,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:37:20,380 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 279.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.68ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 322.00ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:20,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 5.68ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 322.00ms Time] [2021-11-06 00:37:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 00:37:20,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 00:37:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 00:37:20,394 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 00:37:20,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:20,394 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 00:37:20,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 00:37:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:37:20,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:20,397 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] [2021-11-06 00:37:20,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 00:37:20,397 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:20,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:20,398 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 00:37:20,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:20,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224737443] [2021-11-06 00:37:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:20,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:20,418 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:20,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999552819] [2021-11-06 00:37:20,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:20,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:20,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:20,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 00:37:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:20,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:37:20,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:20,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:20,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:20,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224737443] [2021-11-06 00:37:20,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:20,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999552819] [2021-11-06 00:37:20,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999552819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:20,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:20,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:37:20,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541966163] [2021-11-06 00:37:20,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:20,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:37:20,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:20,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:37:20,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:20,724 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:20,772 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 00:37:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:37:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:37:20,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:20,773 INFO L225 Difference]: With dead ends: 417 [2021-11-06 00:37:20,774 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 00:37:20,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.46ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:20,775 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.69ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.51ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:20,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 0.69ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 42.51ms Time] [2021-11-06 00:37:20,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 00:37:20,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 00:37:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 00:37:20,781 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 00:37:20,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:20,781 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 00:37:20,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 00:37:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:37:20,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:20,784 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] [2021-11-06 00:37:20,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:21,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:21,005 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:21,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:21,006 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 00:37:21,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:21,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585724076] [2021-11-06 00:37:21,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:21,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:21,017 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:21,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726648742] [2021-11-06 00:37:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:21,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:21,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:21,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:21,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 00:37:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:21,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:37:21,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:21,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:21,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:21,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585724076] [2021-11-06 00:37:21,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:21,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726648742] [2021-11-06 00:37:21,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726648742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:21,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:21,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:37:21,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553825960] [2021-11-06 00:37:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:21,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:37:21,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:21,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:37:21,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:37:21,306 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:21,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:21,375 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 00:37:21,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:37:21,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:37:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:21,377 INFO L225 Difference]: With dead ends: 428 [2021-11-06 00:37:21,377 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 00:37:21,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:37:21,380 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.55ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:21,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 55.55ms Time] [2021-11-06 00:37:21,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 00:37:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 00:37:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 00:37:21,399 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 00:37:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:21,400 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 00:37:21,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 00:37:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 00:37:21,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:21,406 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] [2021-11-06 00:37:21,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:21,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 00:37:21,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:21,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 00:37:21,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:21,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377325665] [2021-11-06 00:37:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:21,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:21,637 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:21,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802259358] [2021-11-06 00:37:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:21,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:21,656 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:21,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 00:37:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:21,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:37:21,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:22,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:22,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:22,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377325665] [2021-11-06 00:37:22,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:22,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802259358] [2021-11-06 00:37:22,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802259358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:22,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:22,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:37:22,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132981700] [2021-11-06 00:37:22,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:22,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:37:22,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:37:22,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:22,141 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:22,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:22,200 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 00:37:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:37:22,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 00:37:22,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:22,202 INFO L225 Difference]: With dead ends: 542 [2021-11-06 00:37:22,202 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 00:37:22,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:22,203 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.40ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:22,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 51.40ms Time] [2021-11-06 00:37:22,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 00:37:22,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 00:37:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 00:37:22,208 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 00:37:22,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:22,208 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 00:37:22,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 00:37:22,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 00:37:22,209 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:22,210 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] [2021-11-06 00:37:22,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:22,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:22,419 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 00:37:22,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:22,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936905418] [2021-11-06 00:37:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:22,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:22,434 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:22,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166431753] [2021-11-06 00:37:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:22,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:22,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:22,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:22,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 00:37:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:22,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:37:22,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:22,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:37:22,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 00:37:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:37:22,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:22,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:22,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936905418] [2021-11-06 00:37:22,806 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:22,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166431753] [2021-11-06 00:37:22,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166431753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:22,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:22,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:37:22,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812519781] [2021-11-06 00:37:22,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:22,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:37:22,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:22,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:37:22,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:37:22,808 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:23,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:23,796 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 00:37:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:37:23,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 00:37:23,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:23,798 INFO L225 Difference]: With dead ends: 421 [2021-11-06 00:37:23,798 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 00:37:23,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:37:23,798 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 931.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.95ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 970.93ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:23,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.95ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 970.93ms Time] [2021-11-06 00:37:23,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 00:37:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 00:37:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 00:37:23,807 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 00:37:23,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:23,808 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 00:37:23,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 00:37:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:37:23,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:23,811 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:23,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:24,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:24,024 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:24,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 00:37:24,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:24,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069815313] [2021-11-06 00:37:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:24,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:24,034 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:24,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080214312] [2021-11-06 00:37:24,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:24,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:24,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:24,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:24,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 00:37:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:24,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:37:24,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:37:24,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:24,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:24,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069815313] [2021-11-06 00:37:24,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:24,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080214312] [2021-11-06 00:37:24,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080214312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:24,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:24,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 00:37:24,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102471713] [2021-11-06 00:37:24,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:24,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 00:37:24,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:24,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 00:37:24,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:24,323 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:24,372 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 00:37:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 00:37:24,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:37:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:24,374 INFO L225 Difference]: With dead ends: 525 [2021-11-06 00:37:24,374 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 00:37:24,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 00:37:24,375 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.37ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:24,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 42.37ms Time] [2021-11-06 00:37:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 00:37:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 00:37:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 00:37:24,381 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 00:37:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:24,381 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 00:37:24,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 00:37:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:37:24,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:24,382 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:24,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:24,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:24,597 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:24,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 00:37:24,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:24,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044565796] [2021-11-06 00:37:24,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:24,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:24,611 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:24,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636223637] [2021-11-06 00:37:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:24,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:24,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:24,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:24,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 00:37:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:24,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 00:37:24,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 00:37:24,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:24,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:24,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044565796] [2021-11-06 00:37:24,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:24,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636223637] [2021-11-06 00:37:24,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636223637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:24,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:24,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:37:24,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930232753] [2021-11-06 00:37:24,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:24,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:37:24,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:24,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:37:24,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:37:24,936 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:25,004 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 00:37:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 00:37:25,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:37:25,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:25,006 INFO L225 Difference]: With dead ends: 540 [2021-11-06 00:37:25,006 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 00:37:25,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.15ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:37:25,007 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.36ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:25,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 56.36ms Time] [2021-11-06 00:37:25,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 00:37:25,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 00:37:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 00:37:25,014 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 00:37:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:25,014 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 00:37:25,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 00:37:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 00:37:25,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:25,015 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:25,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 00:37:25,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:25,236 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:25,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:25,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 00:37:25,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:25,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571558173] [2021-11-06 00:37:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:25,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:25,251 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:25,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260185] [2021-11-06 00:37:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:25,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:25,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:25,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 00:37:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:25,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 00:37:25,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:37:25,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 00:37:25,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 00:37:25,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571558173] [2021-11-06 00:37:25,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 00:37:25,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260185] [2021-11-06 00:37:25,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 00:37:25,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 00:37:25,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 00:37:25,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207498933] [2021-11-06 00:37:25,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 00:37:25,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 00:37:25,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 00:37:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 00:37:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 00:37:25,630 INFO L87 Difference]: Start difference. First operand 326 states and 393 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 00:37:25,895 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 00:37:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 00:37:25,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 00:37:25,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 00:37:25,897 INFO L225 Difference]: With dead ends: 740 [2021-11-06 00:37:25,897 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 00:37:25,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 00:37:25,898 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 209.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.73ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 234.48ms IncrementalHoareTripleChecker+Time [2021-11-06 00:37:25,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 2.73ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 234.48ms Time] [2021-11-06 00:37:25,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 00:37:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 00:37:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 00:37:25,909 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 00:37:25,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 00:37:25,909 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 00:37:25,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 00:37:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 00:37:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 00:37:25,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 00:37:25,922 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 00:37:25,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-06 00:37:26,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:26,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 00:37:26,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 00:37:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 00:37:26,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 00:37:26,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941472783] [2021-11-06 00:37:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:26,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 00:37:26,169 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 00:37:26,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964296258] [2021-11-06 00:37:26,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 00:37:26,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 00:37:26,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 00:37:26,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 00:37:26,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 00:37:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 00:37:26,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 00:37:26,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 00:37:26,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 00:37:26,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 00:37:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:26,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 00:37:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:26,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 00:37:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 00:37:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 00:37:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 00:37:27,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2021-11-06 00:37:27,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 00:37:27,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:27,532 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 00:37:27,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 00:37:27,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 00:37:29,251 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 00:37:29,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2831 treesize of output 2280 [2021-11-06 00:37:29,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:29,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:29,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:33,787 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 00:37:33,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 00:37:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:34,667 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 00:37:34,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2027 treesize of output 1769 [2021-11-06 00:37:35,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:35,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:37:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:35,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 00:37:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:37:36,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 00:37:36,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:36,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:37:36,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:15,324 WARN L230 SmtUtils]: Spent 6.65m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 00:44:15,328 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 00:44:15,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 00:44:18,100 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 00:44:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,098 INFO L244 Elim1Store]: Index analysis took 386 ms [2021-11-06 00:44:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:20,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:44:20,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 00:44:22,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:27,269 INFO L244 Elim1Store]: Index analysis took 5018 ms [2021-11-06 00:44:27,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:28,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:29,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:30,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:31,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:31,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:32,066 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:44:32,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 00:44:32,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:34,502 INFO L244 Elim1Store]: Index analysis took 2076 ms [2021-11-06 00:44:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:34,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:35,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:35,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:44:36,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 00:44:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:44:37,007 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:44:37,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 00:45:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:02,952 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-06 00:45:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:03,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:03,100 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 00:45:03,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 00:45:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:31,280 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 00:45:31,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 00:45:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,795 INFO L244 Elim1Store]: Index analysis took 609 ms [2021-11-06 00:45:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:40,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:41,404 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:41,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 00:45:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:42,885 INFO L244 Elim1Store]: Index analysis took 1270 ms [2021-11-06 00:45:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:43,628 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:43,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 00:45:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:44,854 INFO L244 Elim1Store]: Index analysis took 980 ms [2021-11-06 00:45:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:45,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:45,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 00:45:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,587 INFO L244 Elim1Store]: Index analysis took 654 ms [2021-11-06 00:45:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:46,930 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:46,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 00:45:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,381 INFO L244 Elim1Store]: Index analysis took 465 ms [2021-11-06 00:45:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:50,809 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:50,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 00:45:50,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,415 INFO L244 Elim1Store]: Index analysis took 463 ms [2021-11-06 00:45:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:51,875 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:51,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 00:45:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:52,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:52,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:52,863 INFO L244 Elim1Store]: Index analysis took 361 ms [2021-11-06 00:45:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,413 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:53,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 00:45:53,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,078 INFO L244 Elim1Store]: Index analysis took 529 ms [2021-11-06 00:45:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:54,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 00:45:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:54,513 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:45:54,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 00:45:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:54,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:54,837 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:45:54,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 00:45:54,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,136 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:45:55,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 00:45:55,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,319 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 00:45:55,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 00:45:55,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,408 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 00:45:55,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 00:45:55,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,480 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:45:55,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 00:45:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,678 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 00:45:55,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 00:45:55,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,740 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:45:55,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 00:45:55,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:55,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:55,801 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 00:45:55,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 00:45:57,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,304 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 00:45:57,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 00:45:57,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,139 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 00:45:58,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 00:45:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,353 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 00:45:58,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 00:45:58,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,384 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 00:45:58,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 00:45:58,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:58,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,958 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 00:45:58,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 00:45:58,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:58,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:59,087 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 00:45:59,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 00:45:59,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 00:45:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 00:45:59,113 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 00:45:59,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 00:45:59,738 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 00:45:59,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 00:45:59,749 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 00:45:59,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 00:45:59,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 00:45:59,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 00:45:59,847 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 00:45:59,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 00:46:22,800 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 00:46:22,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 00:46:55,197 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 00:46:55,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 00:47:00,136 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 00:47:00,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 00:47:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 00:47:00,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 00:47:02,492 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 [2021-11-06 00:47:04,621 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 [2021-11-06 00:47:37,310 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