/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-token-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 11:56:23,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 11:56:23,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 11:56:23,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 11:56:23,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 11:56:23,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 11:56:23,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 11:56:23,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 11:56:23,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 11:56:23,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 11:56:23,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 11:56:23,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 11:56:23,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 11:56:23,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 11:56:23,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 11:56:23,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 11:56:23,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 11:56:23,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 11:56:23,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 11:56:23,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 11:56:23,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 11:56:23,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 11:56:23,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 11:56:23,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 11:56:23,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 11:56:23,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 11:56:23,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 11:56:23,479 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 11:56:23,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 11:56:23,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 11:56:23,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 11:56:23,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 11:56:23,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 11:56:23,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 11:56:23,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 11:56:23,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:56:23,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 11:56:23,483 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 11:56:23,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 11:56:23,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 11:56:23,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 11:56:23,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 11:56:23,485 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 11:56:23,485 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 11:56:23,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 11:56:23,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 11:56:23,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 11:56:23,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 11:56:23,726 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 11:56:23,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token-2.i [2022-01-10 11:56:23,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c53306f/67a361b2be114e86b42c98f8a933619a/FLAG0ebe0f50d [2022-01-10 11:56:24,141 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 11:56:24,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i [2022-01-10 11:56:24,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c53306f/67a361b2be114e86b42c98f8a933619a/FLAG0ebe0f50d [2022-01-10 11:56:24,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c53306f/67a361b2be114e86b42c98f8a933619a [2022-01-10 11:56:24,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 11:56:24,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 11:56:24,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 11:56:24,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 11:56:24,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 11:56:24,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:24,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f43a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24, skipping insertion in model container [2022-01-10 11:56:24,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:24,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 11:56:24,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 11:56:24,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22162,22175] [2022-01-10 11:56:24,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22311,22324] [2022-01-10 11:56:24,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22402,22415] [2022-01-10 11:56:24,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22484,22497] [2022-01-10 11:56:24,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22562,22575] [2022-01-10 11:56:24,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22708,22721] [2022-01-10 11:56:24,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:56:24,854 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 11:56:24,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22162,22175] [2022-01-10 11:56:24,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22311,22324] [2022-01-10 11:56:24,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22402,22415] [2022-01-10 11:56:24,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22484,22497] [2022-01-10 11:56:24,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22562,22575] [2022-01-10 11:56:24,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-token-2.i[22708,22721] [2022-01-10 11:56:24,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 11:56:24,929 INFO L208 MainTranslator]: Completed translation [2022-01-10 11:56:24,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24 WrapperNode [2022-01-10 11:56:24,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 11:56:24,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 11:56:24,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 11:56:24,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 11:56:24,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:24,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:24,982 INFO L137 Inliner]: procedures = 122, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 123 [2022-01-10 11:56:24,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 11:56:24,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 11:56:24,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 11:56:24,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 11:56:24,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:24,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 11:56:25,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 11:56:25,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 11:56:25,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 11:56:25,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (1/1) ... [2022-01-10 11:56:25,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 11:56:25,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:56:25,080 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) [2022-01-10 11:56:25,097 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 [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 11:56:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 11:56:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 11:56:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 11:56:25,196 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 11:56:25,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 11:56:25,432 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 11:56:25,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 11:56:25,437 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2022-01-10 11:56:25,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:56:25 BoogieIcfgContainer [2022-01-10 11:56:25,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 11:56:25,440 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 11:56:25,440 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 11:56:25,441 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 11:56:25,443 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:56:25" (1/1) ... [2022-01-10 11:56:25,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:56:25 BasicIcfg [2022-01-10 11:56:25,554 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 11:56:25,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 11:56:25,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 11:56:25,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 11:56:25,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:56:24" (1/4) ... [2022-01-10 11:56:25,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3a8f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:56:25, skipping insertion in model container [2022-01-10 11:56:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:56:24" (2/4) ... [2022-01-10 11:56:25,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3a8f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:56:25, skipping insertion in model container [2022-01-10 11:56:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:56:25" (3/4) ... [2022-01-10 11:56:25,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3a8f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:56:25, skipping insertion in model container [2022-01-10 11:56:25,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:56:25" (4/4) ... [2022-01-10 11:56:25,560 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-token-2.iTransformedIcfg [2022-01-10 11:56:25,565 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 11:56:25,565 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-10 11:56:25,604 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 11:56:25,610 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 [2022-01-10 11:56:25,610 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-10 11:56:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 36 states have (on average 1.8333333333333333) internal successors, (66), 42 states have internal predecessors, (66), 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) [2022-01-10 11:56:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-01-10 11:56:25,625 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:25,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-01-10 11:56:25,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:25,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash 179443205, now seen corresponding path program 1 times [2022-01-10 11:56:25,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:25,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377445267] [2022-01-10 11:56:25,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:25,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:25,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:25,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377445267] [2022-01-10 11:56:25,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377445267] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:25,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:25,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 11:56:25,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607763843] [2022-01-10 11:56:25,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:25,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 11:56:25,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 11:56:25,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 11:56:25,910 INFO L87 Difference]: Start difference. First operand has 43 states, 36 states have (on average 1.8333333333333333) internal successors, (66), 42 states have internal predecessors, (66), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-01-10 11:56:25,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:25,982 INFO L93 Difference]: Finished difference Result 82 states and 128 transitions. [2022-01-10 11:56:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 11:56:25,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-01-10 11:56:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:25,991 INFO L225 Difference]: With dead ends: 82 [2022-01-10 11:56:25,991 INFO L226 Difference]: Without dead ends: 36 [2022-01-10 11:56:25,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 11:56:25,996 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:25,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 11:56:26,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-01-10 11:56:26,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-01-10 11:56:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 35 states have internal predecessors, (38), 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) [2022-01-10 11:56:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2022-01-10 11:56:26,033 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 5 [2022-01-10 11:56:26,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:26,034 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2022-01-10 11:56:26,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-01-10 11:56:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-01-10 11:56:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-01-10 11:56:26,034 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:26,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-01-10 11:56:26,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 11:56:26,035 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:26,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:26,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1267740460, now seen corresponding path program 1 times [2022-01-10 11:56:26,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526226410] [2022-01-10 11:56:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:26,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:26,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:26,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526226410] [2022-01-10 11:56:26,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526226410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:26,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:26,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 11:56:26,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898736639] [2022-01-10 11:56:26,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:26,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 11:56:26,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 11:56:26,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 11:56:26,119 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-01-10 11:56:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:26,177 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2022-01-10 11:56:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 11:56:26,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-01-10 11:56:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:26,178 INFO L225 Difference]: With dead ends: 62 [2022-01-10 11:56:26,178 INFO L226 Difference]: Without dead ends: 60 [2022-01-10 11:56:26,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 11:56:26,180 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 71 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:26,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 11:56:26,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-01-10 11:56:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 34. [2022-01-10 11:56:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.2) internal successors, (36), 33 states have internal predecessors, (36), 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) [2022-01-10 11:56:26,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2022-01-10 11:56:26,186 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 6 [2022-01-10 11:56:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:26,186 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2022-01-10 11:56:26,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-01-10 11:56:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-01-10 11:56:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:56:26,187 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:26,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:26,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 11:56:26,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:26,188 INFO L85 PathProgramCache]: Analyzing trace with hash 798089285, now seen corresponding path program 1 times [2022-01-10 11:56:26,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:26,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580154319] [2022-01-10 11:56:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:26,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:26,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:26,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580154319] [2022-01-10 11:56:26,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580154319] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:26,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:26,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 11:56:26,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120121568] [2022-01-10 11:56:26,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:26,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 11:56:26,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:26,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 11:56:26,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 11:56:26,311 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-01-10 11:56:26,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:26,394 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2022-01-10 11:56:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 11:56:26,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2022-01-10 11:56:26,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:26,395 INFO L225 Difference]: With dead ends: 34 [2022-01-10 11:56:26,395 INFO L226 Difference]: Without dead ends: 32 [2022-01-10 11:56:26,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 11:56:26,397 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:26,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 86 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 11:56:26,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-01-10 11:56:26,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-01-10 11:56:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 31 states have internal predecessors, (34), 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) [2022-01-10 11:56:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2022-01-10 11:56:26,401 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 11 [2022-01-10 11:56:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:26,402 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2022-01-10 11:56:26,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-01-10 11:56:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-01-10 11:56:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 11:56:26,402 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:26,402 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:26,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 11:56:26,403 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:26,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash 798126156, now seen corresponding path program 1 times [2022-01-10 11:56:26,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:26,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425763596] [2022-01-10 11:56:26,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:26,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:26,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:26,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425763596] [2022-01-10 11:56:26,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425763596] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:26,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:26,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 11:56:26,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925187386] [2022-01-10 11:56:26,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:26,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 11:56:26,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:26,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 11:56:26,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 11:56:26,821 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-01-10 11:56:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:27,270 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-01-10 11:56:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 11:56:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 11 [2022-01-10 11:56:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:27,271 INFO L225 Difference]: With dead ends: 48 [2022-01-10 11:56:27,271 INFO L226 Difference]: Without dead ends: 46 [2022-01-10 11:56:27,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-01-10 11:56:27,272 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 24 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:27,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 106 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 11:56:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-01-10 11:56:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2022-01-10 11:56:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 11:56:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-01-10 11:56:27,281 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 11 [2022-01-10 11:56:27,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:27,281 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-01-10 11:56:27,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2022-01-10 11:56:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-01-10 11:56:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 11:56:27,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:27,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:27,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 11:56:27,285 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:27,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash -112547288, now seen corresponding path program 1 times [2022-01-10 11:56:27,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:27,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308148750] [2022-01-10 11:56:27,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:27,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:27,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:27,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308148750] [2022-01-10 11:56:27,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308148750] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:56:27,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805522072] [2022-01-10 11:56:27,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:27,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:27,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:56:27,717 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) [2022-01-10 11:56:27,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 11:56:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:27,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjunts are in the unsatisfiable core [2022-01-10 11:56:27,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 11:56:27,949 INFO L387 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 15 treesize of output 11 [2022-01-10 11:56:27,958 INFO L387 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 [2022-01-10 11:56:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:28,008 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-01-10 11:56:28,029 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:28,029 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 29 [2022-01-10 11:56:28,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 3 [2022-01-10 11:56:28,066 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-10 11:56:28,066 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-10 11:56:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:28,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:28,294 INFO L353 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-01-10 11:56:28,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 52 [2022-01-10 11:56:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:28,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:28,318 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-10 11:56:28,319 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2022-01-10 11:56:28,342 INFO L353 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-01-10 11:56:28,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2022-01-10 11:56:28,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:28,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:28,891 INFO L353 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-01-10 11:56:28,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 17 [2022-01-10 11:56:28,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:28,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 11:56:29,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:29,423 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:29,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 95 [2022-01-10 11:56:29,726 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_246 Int) (v_arrayElimArr_3 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_4| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_4| Int) (v_ArrVal_251 (Array Int Int)) (|v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_7| Int)) (let ((.cse0 (select (select (store (store (store |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt| (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt|) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt| v_ArrVal_246)) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_4| v_arrayElimArr_3) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_7| v_ArrVal_251) |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.baseInt|) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.offsetInt| 8) 18446744073709551616)))) (or (not (= (select v_arrayElimArr_3 (mod (+ 8 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_4|) 18446744073709551616)) 1)) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_4|)) (and (< 0 (+ .cse0 1)) (<= .cse0 0)) (= .cse0 1) (not (= (select (store |c_#validInt| |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_4| 1) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_7|) 0)) (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_4| 0))))) is different from false [2022-01-10 11:56:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-01-10 11:56:29,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805522072] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 11:56:29,789 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 11:56:29,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-01-10 11:56:29,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718079127] [2022-01-10 11:56:29,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 11:56:29,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-10 11:56:29,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:29,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-10 11:56:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=182, Unknown=1, NotChecked=28, Total=272 [2022-01-10 11:56:29,791 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 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) [2022-01-10 11:56:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:30,126 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-01-10 11:56:30,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 11:56:30,127 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 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 14 [2022-01-10 11:56:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:30,127 INFO L225 Difference]: With dead ends: 46 [2022-01-10 11:56:30,127 INFO L226 Difference]: Without dead ends: 44 [2022-01-10 11:56:30,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=282, Unknown=1, NotChecked=36, Total=420 [2022-01-10 11:56:30,129 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 10 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:30,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 183 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 81 Invalid, 0 Unknown, 51 Unchecked, 0.1s Time] [2022-01-10 11:56:30,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-01-10 11:56:30,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2022-01-10 11:56:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 35 states have internal predecessors, (39), 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) [2022-01-10 11:56:30,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2022-01-10 11:56:30,134 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 14 [2022-01-10 11:56:30,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:30,134 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2022-01-10 11:56:30,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 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) [2022-01-10 11:56:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-01-10 11:56:30,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 11:56:30,135 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:30,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:30,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 11:56:30,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:30,348 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:30,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1503049652, now seen corresponding path program 1 times [2022-01-10 11:56:30,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:30,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663690375] [2022-01-10 11:56:30,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:30,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:30,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:30,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663690375] [2022-01-10 11:56:30,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663690375] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:30,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:30,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 11:56:30,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304904550] [2022-01-10 11:56:30,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:30,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 11:56:30,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 11:56:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-10 11:56:30,554 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-01-10 11:56:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:30,742 INFO L93 Difference]: Finished difference Result 74 states and 80 transitions. [2022-01-10 11:56:30,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 11:56:30,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2022-01-10 11:56:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:30,743 INFO L225 Difference]: With dead ends: 74 [2022-01-10 11:56:30,743 INFO L226 Difference]: Without dead ends: 72 [2022-01-10 11:56:30,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-01-10 11:56:30,744 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 74 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:30,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 124 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 11:56:30,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-10 11:56:30,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 48. [2022-01-10 11:56:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 47 states have internal predecessors, (53), 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) [2022-01-10 11:56:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-01-10 11:56:30,755 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 15 [2022-01-10 11:56:30,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:30,755 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-01-10 11:56:30,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-01-10 11:56:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-01-10 11:56:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-01-10 11:56:30,757 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:30,757 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:30,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 11:56:30,757 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:30,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:30,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1411937409, now seen corresponding path program 1 times [2022-01-10 11:56:30,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:30,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960280017] [2022-01-10 11:56:30,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:30,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:30,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:30,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960280017] [2022-01-10 11:56:30,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960280017] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:30,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:30,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 11:56:30,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812189336] [2022-01-10 11:56:30,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:30,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 11:56:30,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:30,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 11:56:30,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-10 11:56:30,990 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-01-10 11:56:31,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:31,124 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2022-01-10 11:56:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 11:56:31,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-01-10 11:56:31,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:31,126 INFO L225 Difference]: With dead ends: 80 [2022-01-10 11:56:31,126 INFO L226 Difference]: Without dead ends: 54 [2022-01-10 11:56:31,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-10 11:56:31,127 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 53 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:31,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 89 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 11:56:31,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-01-10 11:56:31,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 48. [2022-01-10 11:56:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 47 states have internal predecessors, (52), 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) [2022-01-10 11:56:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2022-01-10 11:56:31,133 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 17 [2022-01-10 11:56:31,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:31,134 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-01-10 11:56:31,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-01-10 11:56:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-01-10 11:56:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-01-10 11:56:31,134 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:31,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:31,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 11:56:31,135 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:31,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1230593136, now seen corresponding path program 1 times [2022-01-10 11:56:31,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:31,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138780862] [2022-01-10 11:56:31,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:31,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:31,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:31,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138780862] [2022-01-10 11:56:31,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138780862] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:56:31,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036761732] [2022-01-10 11:56:31,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:31,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:56:31,312 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) [2022-01-10 11:56:31,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 11:56:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:31,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 35 conjunts are in the unsatisfiable core [2022-01-10 11:56:31,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 11:56:31,453 INFO L387 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 15 treesize of output 11 [2022-01-10 11:56:31,459 INFO L387 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 [2022-01-10 11:56:31,495 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-10 11:56:31,496 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 23 [2022-01-10 11:56:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:31,508 INFO L387 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2022-01-10 11:56:31,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 25 [2022-01-10 11:56:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:31,585 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2022-01-10 11:56:31,598 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-10 11:56:31,598 INFO L387 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 16 treesize of output 18 [2022-01-10 11:56:31,628 INFO L387 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 [2022-01-10 11:56:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:31,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 11:56:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:31,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036761732] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 11:56:31,885 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 11:56:31,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-01-10 11:56:31,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196319872] [2022-01-10 11:56:31,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 11:56:31,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 11:56:31,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:31,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 11:56:31,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2022-01-10 11:56:31,887 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2022-01-10 11:56:32,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:32,055 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2022-01-10 11:56:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 11:56:32,055 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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 18 [2022-01-10 11:56:32,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:32,056 INFO L225 Difference]: With dead ends: 88 [2022-01-10 11:56:32,056 INFO L226 Difference]: Without dead ends: 72 [2022-01-10 11:56:32,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=203, Unknown=1, NotChecked=0, Total=272 [2022-01-10 11:56:32,057 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 36 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:32,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 130 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 59 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2022-01-10 11:56:32,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-01-10 11:56:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2022-01-10 11:56:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 58 states have internal predecessors, (65), 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) [2022-01-10 11:56:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2022-01-10 11:56:32,066 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 18 [2022-01-10 11:56:32,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:32,066 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2022-01-10 11:56:32,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 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) [2022-01-10 11:56:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2022-01-10 11:56:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 11:56:32,071 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:32,071 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:32,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 11:56:32,272 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,SelfDestructingSolverStorable7 [2022-01-10 11:56:32,272 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1393764003, now seen corresponding path program 1 times [2022-01-10 11:56:32,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:32,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203969636] [2022-01-10 11:56:32,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:32,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:32,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:32,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203969636] [2022-01-10 11:56:32,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203969636] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:56:32,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230309707] [2022-01-10 11:56:32,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:32,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:56:32,527 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) [2022-01-10 11:56:32,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 11:56:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:32,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 70 conjunts are in the unsatisfiable core [2022-01-10 11:56:32,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 11:56:32,670 INFO L387 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 [2022-01-10 11:56:32,687 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-10 11:56:32,699 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:32,699 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-01-10 11:56:32,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:32,722 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-10 11:56:32,723 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-10 11:56:32,733 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-10 11:56:32,747 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:32,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-01-10 11:56:32,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:32,898 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2022-01-10 11:56:32,905 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2022-01-10 11:56:32,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,926 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:32,927 INFO L387 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 1 case distinctions, treesize of input 23 treesize of output 31 [2022-01-10 11:56:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 23 treesize of output 27 [2022-01-10 11:56:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,961 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:32,961 INFO L387 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 1 case distinctions, treesize of input 23 treesize of output 31 [2022-01-10 11:56:32,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:32,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 22 treesize of output 24 [2022-01-10 11:56:32,987 INFO L353 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2022-01-10 11:56:32,988 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 26 [2022-01-10 11:56:33,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:33,770 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-10 11:56:33,771 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 33 [2022-01-10 11:56:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:33,792 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-01-10 11:56:33,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:33,852 INFO L353 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-01-10 11:56:33,853 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 20 [2022-01-10 11:56:33,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:33,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 11:56:34,095 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:34,095 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 77 [2022-01-10 11:56:34,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:34,109 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:34,109 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 118 [2022-01-10 11:56:34,146 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:34,147 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 224 treesize of output 296 [2022-01-10 11:56:34,159 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:34,160 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 195 treesize of output 183 [2022-01-10 11:56:34,179 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:34,179 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 111 [2022-01-10 11:56:35,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 64 treesize of output 56 [2022-01-10 11:56:35,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:35,225 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,235 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,274 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,283 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,317 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,360 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:35,363 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:35,386 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,458 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,464 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,477 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:35,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:35,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,524 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,534 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,601 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,631 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,696 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,702 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,763 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:35,794 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,942 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:35,974 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,009 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:36,013 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:36,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,110 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,116 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,134 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:36,138 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:36,155 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,222 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,266 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,313 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,331 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,375 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,406 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,434 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,568 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,592 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:36,629 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:36,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,709 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,722 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:36,725 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:36,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,768 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,790 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,852 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,895 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,900 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:36,925 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,958 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:36,992 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,004 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,083 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,092 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,124 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:37,165 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:37,190 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 56 treesize of output 48 [2022-01-10 11:56:37,277 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 17 [2022-01-10 11:56:37,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,315 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,323 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,351 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,382 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,430 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,471 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,519 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,553 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 44 [2022-01-10 11:56:37,587 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,601 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-01-10 11:56:37,688 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,688 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 107 treesize of output 100 [2022-01-10 11:56:37,697 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,698 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 92 [2022-01-10 11:56:37,713 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,714 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 177 treesize of output 176 [2022-01-10 11:56:37,733 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 184 [2022-01-10 11:56:37,756 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,757 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 360 treesize of output 355 [2022-01-10 11:56:37,786 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:37,787 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 387 treesize of output 341 [2022-01-10 11:56:37,802 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 262 treesize of output 254 [2022-01-10 11:56:37,811 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 254 treesize of output 250 [2022-01-10 11:56:37,820 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 250 treesize of output 242 [2022-01-10 11:56:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:38,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230309707] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 11:56:38,652 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 11:56:38,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 20 [2022-01-10 11:56:38,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388494314] [2022-01-10 11:56:38,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 11:56:38,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-01-10 11:56:38,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:38,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-01-10 11:56:38,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-01-10 11:56:38,653 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 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) [2022-01-10 11:56:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:38,872 INFO L93 Difference]: Finished difference Result 94 states and 102 transitions. [2022-01-10 11:56:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-10 11:56:38,873 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 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 20 [2022-01-10 11:56:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:38,873 INFO L225 Difference]: With dead ends: 94 [2022-01-10 11:56:38,873 INFO L226 Difference]: Without dead ends: 70 [2022-01-10 11:56:38,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2022-01-10 11:56:38,874 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:38,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 93 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 29 Unchecked, 0.1s Time] [2022-01-10 11:56:38,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-01-10 11:56:38,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-01-10 11:56:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 67 states have (on average 1.1343283582089552) internal successors, (76), 69 states have internal predecessors, (76), 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) [2022-01-10 11:56:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2022-01-10 11:56:38,889 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 20 [2022-01-10 11:56:38,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:38,890 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2022-01-10 11:56:38,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.4) internal successors, (48), 20 states have internal predecessors, (48), 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) [2022-01-10 11:56:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2022-01-10 11:56:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 11:56:38,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:38,891 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:38,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 11:56:39,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:39,100 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:39,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1245531680, now seen corresponding path program 1 times [2022-01-10 11:56:39,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:39,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024834010] [2022-01-10 11:56:39,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:39,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:39,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:39,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024834010] [2022-01-10 11:56:39,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024834010] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 11:56:39,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 11:56:39,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 11:56:39,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194119390] [2022-01-10 11:56:39,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 11:56:39,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 11:56:39,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 11:56:39,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 11:56:39,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 11:56:39,167 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-01-10 11:56:39,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 11:56:39,227 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2022-01-10 11:56:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 11:56:39,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 21 [2022-01-10 11:56:39,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 11:56:39,228 INFO L225 Difference]: With dead ends: 70 [2022-01-10 11:56:39,228 INFO L226 Difference]: Without dead ends: 51 [2022-01-10 11:56:39,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 11:56:39,229 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 11:56:39,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 87 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 11:56:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-01-10 11:56:39,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-01-10 11:56:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 50 states have internal predecessors, (55), 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) [2022-01-10 11:56:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-01-10 11:56:39,236 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 21 [2022-01-10 11:56:39,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 11:56:39,236 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-01-10 11:56:39,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2022-01-10 11:56:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-01-10 11:56:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 11:56:39,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 11:56:39,237 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 11:56:39,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 11:56:39,238 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-10 11:56:39,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 11:56:39,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1685981439, now seen corresponding path program 2 times [2022-01-10 11:56:39,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 11:56:39,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442577194] [2022-01-10 11:56:39,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 11:56:39,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 11:56:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 11:56:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:39,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 11:56:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442577194] [2022-01-10 11:56:39,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442577194] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 11:56:39,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392762949] [2022-01-10 11:56:39,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 11:56:39,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 11:56:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 11:56:39,572 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) [2022-01-10 11:56:39,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 11:56:39,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 11:56:39,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 11:56:39,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 86 conjunts are in the unsatisfiable core [2022-01-10 11:56:39,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 11:56:39,782 INFO L387 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 [2022-01-10 11:56:39,807 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-01-10 11:56:39,807 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-01-10 11:56:39,813 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-10 11:56:39,826 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:39,826 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-01-10 11:56:39,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:39,842 INFO L387 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 15 treesize of output 11 [2022-01-10 11:56:39,852 INFO L387 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-01-10 11:56:39,864 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:39,865 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-01-10 11:56:39,874 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:39,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:39,999 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-01-10 11:56:40,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:40,018 INFO L353 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-01-10 11:56:40,018 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-01-10 11:56:40,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:40,036 INFO L353 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-01-10 11:56:40,036 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2022-01-10 11:56:40,070 INFO L353 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-01-10 11:56:40,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 46 [2022-01-10 11:56:40,096 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-10 11:56:40,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-01-10 11:56:40,124 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-01-10 11:56:40,125 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-01-10 11:56:40,157 INFO L353 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-01-10 11:56:40,157 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 46 [2022-01-10 11:56:40,199 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:40,236 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:40,308 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 3 [2022-01-10 11:56:40,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 3 [2022-01-10 11:56:40,402 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:40,454 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:40,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:40,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:40,967 INFO L353 Elim1Store]: treesize reduction 33, result has 47.6 percent of original size [2022-01-10 11:56:40,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 89 [2022-01-10 11:56:40,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:40,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:40,990 INFO L353 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-01-10 11:56:40,990 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 78 [2022-01-10 11:56:41,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:41,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:41,043 INFO L353 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2022-01-10 11:56:41,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 90 [2022-01-10 11:56:41,082 INFO L353 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2022-01-10 11:56:41,083 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 67 [2022-01-10 11:56:41,129 INFO L353 Elim1Store]: treesize reduction 25, result has 34.2 percent of original size [2022-01-10 11:56:41,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 48 [2022-01-10 11:56:41,152 INFO L387 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 8 treesize of output 7 [2022-01-10 11:56:41,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 11:56:41,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 11:56:41,618 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-01-10 11:56:41,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-10 11:56:44,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,174 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-10 11:56:44,174 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 68 [2022-01-10 11:56:44,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,198 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:44,198 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 68 [2022-01-10 11:56:44,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:44,919 INFO L353 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-01-10 11:56:44,920 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 24 [2022-01-10 11:56:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 11:56:44,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 11:56:45,278 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:45,278 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 120 [2022-01-10 11:56:46,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:46,592 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:46,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 238 treesize of output 214 [2022-01-10 11:56:47,023 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_764 Int) (v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_21 (Array Int Int)) (v_ArrVal_779 (Array Int Int)) (v_ArrVal_778 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25| Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_24| Int) (v_ArrVal_782 (Array Int Int)) (|v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_19| Int) (v_ArrVal_783 (Array Int Int)) (|v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23| Int)) (let ((.cse2 (select (select (store (store (store |c_#memory_$Pointer$.offsetInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt| (store (select |c_#memory_$Pointer$.offsetInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt|) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt| 0)) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25| v_arrayElimArr_21) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_19| v_ArrVal_778) |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.baseInt|) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23|)) (.cse5 (store (store (store |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt| (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt|) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt| v_ArrVal_764)) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25| v_arrayElimArr_22) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_19| v_ArrVal_782))) (let ((.cse0 (select .cse5 (select (select (store (store (store |c_#memory_$Pointer$.baseInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt| (store (select |c_#memory_$Pointer$.baseInt| |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt|) |c_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt| |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25|)) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25| v_ArrVal_779) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_19| v_ArrVal_783) |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.baseInt|) |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23|))) (.cse1 (+ .cse2 8)) (.cse3 (select (store |c_#validInt| |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.baseInt_25| 1) |v_v_ULTIMATE.start_main_#t~malloc5#1.base_4Int_19|)) (.cse4 (select (select .cse5 |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.baseInt|) (mod (+ 8 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23|) 18446744073709551616)))) (or (= (select .cse0 (mod .cse1 18446744073709551616)) 1) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_24|)) (not (= (select v_arrayElimArr_21 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_24|) 0)) (not (= (select v_arrayElimArr_22 (mod (+ 8 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_24|) 18446744073709551616)) 1)) (= 0 (select .cse0 (+ (* (div .cse1 18446744073709551616) (- 18446744073709551616)) .cse2 8))) (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_24| 0)) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23|)) (not (<= 0 .cse3)) (not (<= 0 .cse4)) (not (<= .cse3 0)) (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~x~0#1.offsetInt_23| |c_ULTIMATE.start_ULTIMATE.start_main_~head~0#1.offsetInt|)) (not (<= .cse4 0)))))) is different from false [2022-01-10 11:56:48,018 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,019 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 182 [2022-01-10 11:56:48,059 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3233 treesize of output 2724 [2022-01-10 11:56:48,092 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,092 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 2623 treesize of output 2247 [2022-01-10 11:56:48,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 11:56:48,117 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2305 treesize of output 1815 [2022-01-10 11:56:48,150 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,150 INFO L387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 1759 treesize of output 1621 [2022-01-10 11:56:48,188 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:56:48,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17907 treesize of output 17530 [2022-01-10 11:56:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:48,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:48,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:56:59,961 WARN L228 SmtUtils]: Spent 11.58s on a formula simplification. DAG size of input: 1522 DAG size of output: 388 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-10 11:56:59,969 INFO L353 Elim1Store]: treesize reduction 11085, result has 14.0 percent of original size [2022-01-10 11:56:59,971 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 31 new quantified variables, introduced 558 case distinctions, treesize of input 73095 treesize of output 65133 [2022-01-10 11:57:01,160 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 67097 treesize of output 66289 [2022-01-10 11:57:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:03,100 INFO L244 Elim1Store]: Index analysis took 124 ms [2022-01-10 11:57:03,369 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:57:03,370 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 41 case distinctions, treesize of input 65253 treesize of output 58410 [2022-01-10 11:57:04,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 58630 treesize of output 56640 [2022-01-10 11:57:05,034 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:57:05,035 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56728 treesize of output 55698 [2022-01-10 11:57:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:06,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 11:57:06,311 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:57:06,312 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 5 new quantified variables, introduced 32 case distinctions, treesize of input 55231 treesize of output 44055 [2022-01-10 11:57:06,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 26605 treesize of output 22973 [2022-01-10 11:57:07,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 40529 treesize of output 37409 [2022-01-10 11:57:08,127 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 11:57:08,128 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 682 treesize of output 622