/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/loops/sum_array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 20:11:42,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 20:11:42,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 20:11:42,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 20:11:42,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 20:11:43,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 20:11:43,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 20:11:43,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 20:11:43,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 20:11:43,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 20:11:43,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 20:11:43,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 20:11:43,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 20:11:43,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 20:11:43,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 20:11:43,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 20:11:43,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 20:11:43,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 20:11:43,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 20:11:43,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 20:11:43,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 20:11:43,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 20:11:43,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 20:11:43,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 20:11:43,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 20:11:43,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 20:11:43,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 20:11:43,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 20:11:43,045 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 20:11:43,081 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 20:11:43,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 20:11:43,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 20:11:43,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 20:11:43,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 20:11:43,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 20:11:43,083 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 20:11:43,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 20:11:43,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 20:11:43,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 20:11:43,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 20:11:43,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 20:11:43,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 20:11:43,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 20:11:43,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 20:11:43,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:11:43,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 20:11:43,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 20:11:43,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 20:11:43,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 20:11:43,089 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 20:11:43,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 20:11:43,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 20:11:43,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 20:11:43,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 20:11:43,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 20:11:43,326 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 20:11:43,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-2.i [2022-01-10 20:11:43,382 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fc998d6/e15c2f0ea66d4c3d8dbf7ddbda95c15f/FLAGcec57872a [2022-01-10 20:11:43,792 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 20:11:43,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i [2022-01-10 20:11:43,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fc998d6/e15c2f0ea66d4c3d8dbf7ddbda95c15f/FLAGcec57872a [2022-01-10 20:11:43,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0fc998d6/e15c2f0ea66d4c3d8dbf7ddbda95c15f [2022-01-10 20:11:43,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 20:11:43,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 20:11:43,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 20:11:43,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 20:11:43,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 20:11:43,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:11:43" (1/1) ... [2022-01-10 20:11:43,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9f4c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:43, skipping insertion in model container [2022-01-10 20:11:43,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:11:43" (1/1) ... [2022-01-10 20:11:43,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 20:11:43,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 20:11:43,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i[938,951] [2022-01-10 20:11:44,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:11:44,018 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 20:11:44,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-2.i[938,951] [2022-01-10 20:11:44,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:11:44,049 INFO L208 MainTranslator]: Completed translation [2022-01-10 20:11:44,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44 WrapperNode [2022-01-10 20:11:44,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 20:11:44,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 20:11:44,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 20:11:44,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 20:11:44,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,090 INFO L137 Inliner]: procedures = 20, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-01-10 20:11:44,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 20:11:44,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 20:11:44,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 20:11:44,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 20:11:44,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 20:11:44,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 20:11:44,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 20:11:44,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 20:11:44,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:11:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:11:44,172 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 20:11:44,178 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 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 20:11:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 20:11:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 20:11:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 20:11:44,305 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 20:11:44,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 20:11:44,513 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 20:11:44,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 20:11:44,518 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 20:11:44,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:11:44 BoogieIcfgContainer [2022-01-10 20:11:44,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 20:11:44,520 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 20:11:44,521 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 20:11:44,522 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 20:11:44,524 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:11:44" (1/1) ... [2022-01-10 20:11:44,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:11:44 BasicIcfg [2022-01-10 20:11:44,588 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 20:11:44,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 20:11:44,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 20:11:44,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 20:11:44,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:11:43" (1/4) ... [2022-01-10 20:11:44,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4063ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:11:44, skipping insertion in model container [2022-01-10 20:11:44,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:11:44" (2/4) ... [2022-01-10 20:11:44,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4063ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:11:44, skipping insertion in model container [2022-01-10 20:11:44,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:11:44" (3/4) ... [2022-01-10 20:11:44,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4063ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:11:44, skipping insertion in model container [2022-01-10 20:11:44,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:11:44" (4/4) ... [2022-01-10 20:11:44,594 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_array-2.iTransformedIcfg [2022-01-10 20:11:44,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 20:11:44,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 20:11:44,652 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 20:11:44,660 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 20:11:44,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 20:11:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 20:11:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 20:11:44,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:11:44,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:11:44,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:11:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:11:44,684 INFO L85 PathProgramCache]: Analyzing trace with hash -580164608, now seen corresponding path program 1 times [2022-01-10 20:11:44,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:11:44,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511308006] [2022-01-10 20:11:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:11:44,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:11:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:11:44,900 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 20:11:44,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:11:44,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511308006] [2022-01-10 20:11:44,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511308006] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 20:11:44,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 20:11:44,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 20:11:44,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781180509] [2022-01-10 20:11:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 20:11:44,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 20:11:44,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 20:11:44,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 20:11:44,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 20:11:44,936 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 5.5) internal successors, (11), 2 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 20:11:44,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 20:11:44,949 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2022-01-10 20:11:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 20:11:44,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 20:11:44,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 20:11:44,957 INFO L225 Difference]: With dead ends: 41 [2022-01-10 20:11:44,957 INFO L226 Difference]: Without dead ends: 19 [2022-01-10 20:11:44,961 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 20:11:44,966 INFO L933 BasicCegarLoop]: 28 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, 28 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 20:11:44,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 20:11:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-01-10 20:11:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-01-10 20:11:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 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 20:11:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2022-01-10 20:11:44,999 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 11 [2022-01-10 20:11:45,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 20:11:45,000 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2022-01-10 20:11:45,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 20:11:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-01-10 20:11:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-10 20:11:45,003 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:11:45,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:11:45,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 20:11:45,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:11:45,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:11:45,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1499191869, now seen corresponding path program 1 times [2022-01-10 20:11:45,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:11:45,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915179754] [2022-01-10 20:11:45,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:11:45,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:11:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:11:45,186 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 20:11:45,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:11:45,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915179754] [2022-01-10 20:11:45,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915179754] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 20:11:45,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 20:11:45,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 20:11:45,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819586578] [2022-01-10 20:11:45,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 20:11:45,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 20:11:45,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 20:11:45,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 20:11:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 20:11:45,189 INFO L87 Difference]: Start difference. First operand 19 states and 22 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 20:11:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 20:11:45,328 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2022-01-10 20:11:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 20:11:45,329 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 20:11:45,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 20:11:45,329 INFO L225 Difference]: With dead ends: 52 [2022-01-10 20:11:45,329 INFO L226 Difference]: Without dead ends: 33 [2022-01-10 20:11:45,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 20:11:45,331 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 18 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 20:11:45,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 35 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 20:11:45,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-01-10 20:11:45,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 22. [2022-01-10 20:11:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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 20:11:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-01-10 20:11:45,336 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-01-10 20:11:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 20:11:45,336 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-01-10 20:11:45,336 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 20:11:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-01-10 20:11:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-10 20:11:45,337 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:11:45,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 20:11:45,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 20:11:45,337 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:11:45,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:11:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 554431582, now seen corresponding path program 1 times [2022-01-10 20:11:45,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:11:45,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967288168] [2022-01-10 20:11:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:11:45,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:11:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:11:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 20:11:47,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:11:47,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967288168] [2022-01-10 20:11:47,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967288168] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 20:11:47,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667430658] [2022-01-10 20:11:47,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:11:47,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 20:11:47,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:11:47,235 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 20:11:47,263 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 20:11:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:11:47,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-10 20:11:47,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 20:11:47,555 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-10 20:11:47,556 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 27 treesize of output 23 [2022-01-10 20:11:47,671 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 20:11:47,798 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 20:11:47,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2022-01-10 20:11:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 20:11:48,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 20:11:51,362 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_55 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_3| Int)) (or (let ((.cse4 (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.baseInt|) (mod (+ (mod (* |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 4) 18446744073709551616) |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.offsetInt|) 18446744073709551616) v_ArrVal_55))) (let ((.cse2 (store |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.baseInt| .cse4))) (let ((.cse0 (let ((.cse3 (mod (* |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_3| 4) 18446744073709551616))) (store (select .cse2 |c_ULTIMATE.start_ULTIMATE.start_main_~#C~0#1.baseInt|) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#C~0#1.offsetInt| .cse3) 18446744073709551616) (mod (+ (select (select .cse2 |c_ULTIMATE.start_ULTIMATE.start_main_~#A~0#1.baseInt|) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#A~0#1.offsetInt| .cse3) 18446744073709551616)) (select .cse4 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.offsetInt| .cse3) 18446744073709551616))) 4294967296))))) (= (select .cse0 (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#C~0#1.offsetInt| 18446744073709551616)) (mod (let ((.cse1 (store .cse2 |c_ULTIMATE.start_ULTIMATE.start_main_~#C~0#1.baseInt| .cse0))) (+ (select (select .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~#A~0#1.baseInt|) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#A~0#1.offsetInt| 18446744073709551616)) (select (select .cse1 |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.baseInt|) (mod |c_ULTIMATE.start_ULTIMATE.start_main_~#B~0#1.offsetInt| 18446744073709551616)))) 4294967296))))) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_3|)) (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_3| 0)))) is different from false [2022-01-10 20:11:53,036 INFO L353 Elim1Store]: treesize reduction 346, result has 27.3 percent of original size [2022-01-10 20:11:53,036 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 24006 treesize of output 13611 [2022-01-10 20:11:53,262 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-01-10 20:11:53,263 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 17852 treesize of output 16668 [2022-01-10 20:11:53,341 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 20:11:53,342 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 16641 treesize of output 15881 [2022-01-10 20:12:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:37,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:41,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:42,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:50,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 20:12:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver