/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_NONE.epf -i ../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:12:50,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:12:50,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:12:50,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 21:12:50,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:12:50,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:12:50,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:12:50,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:12:50,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:12:50,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:12:50,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:12:50,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:12:50,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:12:50,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:12:50,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:12:50,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:12:50,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 21:12:50,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:12:50,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:12:50,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:12:50,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 21:12:50,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:12:50,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:12:50,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:12:50,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:12:50,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:12:50,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:12:50,688 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:12:50,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:12:50,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:12:50,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:12:50,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:12:50,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:12:50,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:12:50,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:12:50,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:12:50,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:12:50,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:12:50,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:12:50,691 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:12:50,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:12:50,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:12:50,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:12:50,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:12:50,692 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:12:50,692 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:12:50,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:12:50,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:12:50,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:12:50,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:12:50,852 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:12:50,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2022-01-10 21:12:50,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d1c8f2/5eadaef601f0429f85cca4f70e26a389/FLAG149c31f99 [2022-01-10 21:12:51,269 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:12:51,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i [2022-01-10 21:12:51,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d1c8f2/5eadaef601f0429f85cca4f70e26a389/FLAG149c31f99 [2022-01-10 21:12:51,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d1c8f2/5eadaef601f0429f85cca4f70e26a389 [2022-01-10 21:12:51,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:12:51,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:12:51,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:12:51,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:12:51,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:12:51,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77127d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51, skipping insertion in model container [2022-01-10 21:12:51,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:12:51,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:12:51,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2022-01-10 21:12:51,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:12:51,863 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-10 21:12:51,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:12:51,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2022-01-10 21:12:51,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:12:51,872 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:12:51,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_flag_init.i[959,972] [2022-01-10 21:12:51,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:12:51,892 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:12:51,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51 WrapperNode [2022-01-10 21:12:51,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:12:51,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:12:51,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:12:51,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:12:51,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,917 INFO L137 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-01-10 21:12:51,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:12:51,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:12:51,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:12:51,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:12:51,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:12:51,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:12:51,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:12:51,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:12:51,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (1/1) ... [2022-01-10 21:12:51,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:12:51,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:12:51,977 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 21:12:51,979 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 21:12:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 21:12:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:12:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:12:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 21:12:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 21:12:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 21:12:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:12:52,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:12:52,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 21:12:52,080 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:12:52,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:12:52,186 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:12:52,190 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:12:52,190 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-10 21:12:52,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:12:52 BoogieIcfgContainer [2022-01-10 21:12:52,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:12:52,191 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:12:52,192 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:12:52,192 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:12:52,194 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:12:52" (1/1) ... [2022-01-10 21:12:52,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:12:52 BasicIcfg [2022-01-10 21:12:52,268 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:12:52,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:12:52,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:12:52,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:12:52,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:12:51" (1/4) ... [2022-01-10 21:12:52,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aecd564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:12:52, skipping insertion in model container [2022-01-10 21:12:52,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:12:51" (2/4) ... [2022-01-10 21:12:52,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aecd564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:12:52, skipping insertion in model container [2022-01-10 21:12:52,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:12:52" (3/4) ... [2022-01-10 21:12:52,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aecd564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:12:52, skipping insertion in model container [2022-01-10 21:12:52,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:12:52" (4/4) ... [2022-01-10 21:12:52,273 INFO L111 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.iTransformedIcfg [2022-01-10 21:12:52,276 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:12:52,276 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 21:12:52,311 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:12:52,315 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 21:12:52,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 21:12:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 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 21:12:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-10 21:12:52,332 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:12:52,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:12:52,332 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:12:52,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:12:52,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1887403375, now seen corresponding path program 1 times [2022-01-10 21:12:52,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:12:52,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081036351] [2022-01-10 21:12:52,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:52,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:12:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:52,454 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 21:12:52,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:12:52,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081036351] [2022-01-10 21:12:52,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081036351] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:12:52,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:12:52,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:12:52,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7662905] [2022-01-10 21:12:52,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:12:52,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 21:12:52,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:12:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 21:12:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 21:12:52,479 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 21:12:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:12:52,488 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2022-01-10 21:12:52,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 21:12:52,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-01-10 21:12:52,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:12:52,494 INFO L225 Difference]: With dead ends: 36 [2022-01-10 21:12:52,494 INFO L226 Difference]: Without dead ends: 16 [2022-01-10 21:12:52,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 21:12:52,498 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:12:52,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:12:52,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-01-10 21:12:52,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-01-10 21:12:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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 21:12:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-01-10 21:12:52,517 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 10 [2022-01-10 21:12:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:12:52,517 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-01-10 21:12:52,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 21:12:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-01-10 21:12:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-01-10 21:12:52,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:12:52,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:12:52,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:12:52,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:12:52,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:12:52,519 INFO L85 PathProgramCache]: Analyzing trace with hash -636124435, now seen corresponding path program 1 times [2022-01-10 21:12:52,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:12:52,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816167336] [2022-01-10 21:12:52,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:52,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:12:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:52,617 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 21:12:52,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:12:52,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816167336] [2022-01-10 21:12:52,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816167336] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:12:52,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:12:52,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 21:12:52,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955666006] [2022-01-10 21:12:52,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:12:52,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:12:52,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:12:52,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:12:52,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 21:12:52,620 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:12:52,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:12:52,647 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2022-01-10 21:12:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:12:52,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-01-10 21:12:52,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:12:52,648 INFO L225 Difference]: With dead ends: 30 [2022-01-10 21:12:52,648 INFO L226 Difference]: Without dead ends: 18 [2022-01-10 21:12:52,649 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 21:12:52,650 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:12:52,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:12:52,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-01-10 21:12:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-01-10 21:12:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 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 21:12:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-01-10 21:12:52,653 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 10 [2022-01-10 21:12:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:12:52,654 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-01-10 21:12:52,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:12:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-01-10 21:12:52,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 21:12:52,654 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:12:52,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:12:52,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:12:52,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:12:52,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:12:52,655 INFO L85 PathProgramCache]: Analyzing trace with hash 386130287, now seen corresponding path program 1 times [2022-01-10 21:12:52,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:12:52,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10881411] [2022-01-10 21:12:52,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:52,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:12:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:52,806 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 21:12:52,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:12:52,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10881411] [2022-01-10 21:12:52,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10881411] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:12:52,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493826561] [2022-01-10 21:12:52,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:52,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:12:52,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:12:52,810 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 21:12:52,849 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 21:12:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:52,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 21:12:52,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:12:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 21:12:52,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 21:12:52,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493826561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:12:52,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 21:12:52,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-01-10 21:12:52,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440372193] [2022-01-10 21:12:52,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:12:52,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 21:12:52,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:12:52,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 21:12:52,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 21:12:52,958 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:12:52,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:12:52,973 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions. [2022-01-10 21:12:52,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 21:12:52,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-01-10 21:12:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:12:52,974 INFO L225 Difference]: With dead ends: 35 [2022-01-10 21:12:52,974 INFO L226 Difference]: Without dead ends: 27 [2022-01-10 21:12:52,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-10 21:12:52,975 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 21:12:52,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 21:12:52,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-01-10 21:12:52,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2022-01-10 21:12:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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 21:12:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-01-10 21:12:52,978 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2022-01-10 21:12:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:12:52,979 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-01-10 21:12:52,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:12:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-01-10 21:12:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-01-10 21:12:52,979 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:12:52,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:12:52,998 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 21:12:53,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:12:53,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:12:53,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:12:53,194 INFO L85 PathProgramCache]: Analyzing trace with hash -740998732, now seen corresponding path program 1 times [2022-01-10 21:12:53,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:12:53,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378197195] [2022-01-10 21:12:53,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:12:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 21:12:53,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:12:53,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378197195] [2022-01-10 21:12:53,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378197195] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:12:53,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354134331] [2022-01-10 21:12:53,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:53,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:12:53,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:12:53,356 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 21:12:53,357 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 21:12:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:53,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-10 21:12:53,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:12:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 21:12:53,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:12:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-10 21:12:53,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354134331] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 21:12:53,721 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 21:12:53,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 10 [2022-01-10 21:12:53,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798060477] [2022-01-10 21:12:53,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 21:12:53,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 21:12:53,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:12:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 21:12:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-10 21:12:53,727 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 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 21:12:53,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:12:53,889 INFO L93 Difference]: Finished difference Result 65 states and 82 transitions. [2022-01-10 21:12:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 21:12:53,890 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 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 21:12:53,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:12:53,890 INFO L225 Difference]: With dead ends: 65 [2022-01-10 21:12:53,890 INFO L226 Difference]: Without dead ends: 52 [2022-01-10 21:12:53,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-01-10 21:12:53,891 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 85 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 21:12:53,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 99 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 21:12:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-01-10 21:12:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 29. [2022-01-10 21:12:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 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 21:12:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-01-10 21:12:53,895 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 15 [2022-01-10 21:12:53,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:12:53,895 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-01-10 21:12:53,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 10 states have internal predecessors, (32), 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 21:12:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-01-10 21:12:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-10 21:12:53,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:12:53,896 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:12:53,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-10 21:12:54,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-01-10 21:12:54,097 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:12:54,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:12:54,097 INFO L85 PathProgramCache]: Analyzing trace with hash 820152369, now seen corresponding path program 2 times [2022-01-10 21:12:54,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:12:54,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051638511] [2022-01-10 21:12:54,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:12:54,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:12:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:12:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-01-10 21:12:54,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:12:54,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051638511] [2022-01-10 21:12:54,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051638511] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:12:54,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200781647] [2022-01-10 21:12:54,277 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 21:12:54,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:12:54,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:12:54,278 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 21:12:54,303 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 21:12:54,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 21:12:54,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 21:12:54,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 30 conjunts are in the unsatisfiable core [2022-01-10 21:12:54,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:12:54,596 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-01-10 21:12:54,687 INFO L353 Elim1Store]: treesize reduction 33, result has 48.4 percent of original size [2022-01-10 21:12:54,687 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 1 case distinctions, treesize of input 38 treesize of output 59 [2022-01-10 21:12:54,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 21:12:54,783 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 21:12:54,783 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 28 treesize of output 11 [2022-01-10 21:12:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 21:12:54,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 21:12:56,967 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_ULTIMATE.start_main_~i~1#1Int_10| Int) (|ULTIMATE.start_ULTIMATE.start_init_~i~0#1Int| Int) (|v_v_ULTIMATE.start_init_#t~malloc2#1.base_4Int_11| Int)) (or (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~1#1Int_10| 0)) (= |v_v_ULTIMATE.start_init_#t~malloc2#1.base_4Int_11| 0) (not (= 0 (select (select (store |c_#memory_$Pointer$.baseInt| |c_ULTIMATE.start_ULTIMATE.start_init_~a#1.baseInt| (store (select |c_#memory_$Pointer$.baseInt| |c_ULTIMATE.start_ULTIMATE.start_init_~a#1.baseInt|) (mod (+ (mod (+ (* 18446744039349813248 (mod (div |ULTIMATE.start_ULTIMATE.start_init_~i~0#1Int| 2147483648) 2)) (* 8 |ULTIMATE.start_ULTIMATE.start_init_~i~0#1Int|)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_init_~a#1.offsetInt|) 18446744073709551616) |v_v_ULTIMATE.start_init_#t~malloc2#1.base_4Int_11|)) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.baseInt|) (mod (+ (mod (+ (* (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~1#1Int_10| 2147483648) 2) 18446744039349813248) (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~1#1Int_10| 8)) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#a~0#1.offsetInt|) 18446744073709551616)))) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~1#1Int_10|)))) is different from false [2022-01-10 21:12:57,038 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 646 treesize of output 606