/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-fpi/sina2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 21:39:30,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 21:39:30,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 21:39:30,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 21:39:30,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 21:39:30,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 21:39:30,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 21:39:30,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 21:39:30,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 21:39:30,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 21:39:30,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 21:39:30,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 21:39:30,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 21:39:30,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 21:39:30,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 21:39:30,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 21:39:30,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 21:39:30,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 21:39:30,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 21:39:30,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 21:39:30,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 21:39:30,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 21:39:30,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 21:39:30,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 21:39:30,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 21:39:30,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 21:39:30,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 21:39:30,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 21:39:30,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 21:39:30,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 21:39:30,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 21:39:30,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 21:39:30,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 21:39:30,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 21:39:30,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 21:39:30,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 21:39:30,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 21:39:30,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 21:39:30,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 21:39:30,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 21:39:30,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 21:39:30,390 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 21:39:30,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 21:39:30,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 21:39:30,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 21:39:30,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 21:39:30,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 21:39:30,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 21:39:30,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 21:39:30,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 21:39:30,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 21:39:30,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:39:30,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 21:39:30,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 21:39:30,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 21:39:30,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 21:39:30,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 21:39:30,433 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 21:39:30,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 21:39:30,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 21:39:30,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 21:39:30,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 21:39:30,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 21:39:30,730 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 21:39:30,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2.c [2022-01-10 21:39:30,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4022d670e/8046ea3cb38945e89bfd53164da35fb7/FLAGf3e5bc93f [2022-01-10 21:39:31,232 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 21:39:31,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/sina2.c [2022-01-10 21:39:31,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4022d670e/8046ea3cb38945e89bfd53164da35fb7/FLAGf3e5bc93f [2022-01-10 21:39:31,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4022d670e/8046ea3cb38945e89bfd53164da35fb7 [2022-01-10 21:39:31,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 21:39:31,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 21:39:31,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 21:39:31,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 21:39:31,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 21:39:31,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b65493b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31, skipping insertion in model container [2022-01-10 21:39:31,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 21:39:31,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 21:39:31,478 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-fpi/sina2.c[588,601] [2022-01-10 21:39:31,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:39:31,522 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 21:39:31,537 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-fpi/sina2.c[588,601] [2022-01-10 21:39:31,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 21:39:31,586 INFO L208 MainTranslator]: Completed translation [2022-01-10 21:39:31,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31 WrapperNode [2022-01-10 21:39:31,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 21:39:31,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 21:39:31,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 21:39:31,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 21:39:31,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,636 INFO L137 Inliner]: procedures = 19, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2022-01-10 21:39:31,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 21:39:31,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 21:39:31,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 21:39:31,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 21:39:31,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 21:39:31,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 21:39:31,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 21:39:31,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 21:39:31,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (1/1) ... [2022-01-10 21:39:31,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 21:39:31,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:39:31,721 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 21:39:31,740 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 21:39:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 21:39:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 21:39:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 21:39:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 21:39:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 21:39:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 21:39:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 21:39:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 21:39:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 21:39:31,843 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 21:39:31,845 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 21:39:32,011 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 21:39:32,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 21:39:32,017 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 21:39:32,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:39:32 BoogieIcfgContainer [2022-01-10 21:39:32,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 21:39:32,019 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 21:39:32,019 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 21:39:32,021 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 21:39:32,023 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:39:32" (1/1) ... [2022-01-10 21:39:32,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:39:32 BasicIcfg [2022-01-10 21:39:32,180 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 21:39:32,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 21:39:32,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 21:39:32,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 21:39:32,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:39:31" (1/4) ... [2022-01-10 21:39:32,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbd23d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:39:32, skipping insertion in model container [2022-01-10 21:39:32,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:39:31" (2/4) ... [2022-01-10 21:39:32,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbd23d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:39:32, skipping insertion in model container [2022-01-10 21:39:32,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:39:32" (3/4) ... [2022-01-10 21:39:32,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbd23d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:39:32, skipping insertion in model container [2022-01-10 21:39:32,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:39:32" (4/4) ... [2022-01-10 21:39:32,187 INFO L111 eAbstractionObserver]: Analyzing ICFG sina2.cTransformedIcfg [2022-01-10 21:39:32,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 21:39:32,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 21:39:32,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 21:39:32,243 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 21:39:32,243 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 21:39:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 21:39:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 21:39:32,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:39:32,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:39:32,263 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:39:32,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:39:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1760602481, now seen corresponding path program 1 times [2022-01-10 21:39:32,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:39:32,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344792145] [2022-01-10 21:39:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:39:32,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:39:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:39:32,515 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 21:39:32,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:39:32,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344792145] [2022-01-10 21:39:32,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344792145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:39:32,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:39:32,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 21:39:32,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642686551] [2022-01-10 21:39:32,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:39:32,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 21:39:32,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:39:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 21:39:32,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 21:39:32,557 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21:39:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:39:32,572 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2022-01-10 21:39:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 21:39:32,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-01-10 21:39:32,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:39:32,582 INFO L225 Difference]: With dead ends: 44 [2022-01-10 21:39:32,583 INFO L226 Difference]: Without dead ends: 20 [2022-01-10 21:39:32,586 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 21:39:32,591 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 21:39:32,592 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 21:39:32,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-10 21:39:32,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-10 21:39:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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 21:39:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-01-10 21:39:32,619 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 14 [2022-01-10 21:39:32,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:39:32,620 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-01-10 21:39:32,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21:39:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-01-10 21:39:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 21:39:32,623 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:39:32,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:39:32,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 21:39:32,623 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:39:32,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:39:32,625 INFO L85 PathProgramCache]: Analyzing trace with hash -181613805, now seen corresponding path program 1 times [2022-01-10 21:39:32,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:39:32,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178996371] [2022-01-10 21:39:32,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:39:32,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:39:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:39:32,890 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 21:39:32,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:39:32,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178996371] [2022-01-10 21:39:32,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178996371] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 21:39:32,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 21:39:32,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 21:39:32,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45970225] [2022-01-10 21:39:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 21:39:32,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 21:39:32,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 21:39:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 21:39:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:39:32,894 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 21:39:35,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 21:39:35,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 21:39:35,125 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-01-10 21:39:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 21:39:35,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-01-10 21:39:35,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 21:39:35,127 INFO L225 Difference]: With dead ends: 38 [2022-01-10 21:39:35,127 INFO L226 Difference]: Without dead ends: 25 [2022-01-10 21:39:35,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 21:39:35,128 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-10 21:39:35,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-10 21:39:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-01-10 21:39:35,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-01-10 21:39:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 21:39:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-01-10 21:39:35,135 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2022-01-10 21:39:35,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 21:39:35,136 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-01-10 21:39:35,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 21:39:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-01-10 21:39:35,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 21:39:35,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 21:39:35,137 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 21:39:35,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 21:39:35,137 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 21:39:35,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 21:39:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 889479949, now seen corresponding path program 1 times [2022-01-10 21:39:35,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 21:39:35,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399066871] [2022-01-10 21:39:35,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:39:35,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 21:39:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:39:44,826 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 21:39:44,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 21:39:44,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399066871] [2022-01-10 21:39:44,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399066871] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 21:39:44,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376421806] [2022-01-10 21:39:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 21:39:44,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 21:39:44,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 21:39:44,830 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 21:39:44,845 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 21:39:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 21:39:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 55 conjunts are in the unsatisfiable core [2022-01-10 21:39:45,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 21:39:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:45,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 21:39:45,664 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 26 treesize of output 27 [2022-01-10 21:39:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:45,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:45,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 88 [2022-01-10 21:39:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:39:46,866 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 95 [2022-01-10 21:40:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:40:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:40:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 21:40:43,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 21:40:43,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 21:40:43,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 157