/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_LAZY.epf -i ../../../trunk/examples/svcomp/array-fpi/eqn2f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:43:31,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:43:31,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:43:31,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:43:31,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:43:31,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:43:31,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:43:31,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:43:31,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:43:31,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:43:31,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:43:31,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:43:31,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:43:31,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:43:31,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:43:31,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:43:31,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:43:31,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:43:31,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:43:31,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:43:31,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:43:31,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:43:31,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:43:31,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:43:31,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 15:43:31,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 15:43:31,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 15:43:31,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 15:43:31,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 15:43:31,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 15:43:31,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:43:31,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:43:31,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:43:31,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:43:31,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:43:31,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:43:31,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:43:31,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:43:31,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:43:31,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:43:31,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:43:31,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:43:31,340 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:43:31,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:43:31,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:43:31,341 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:43:31,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:43:31,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:43:31,342 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:43:31,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:43:31,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:43:31,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:43:31,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:43:31,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:43:31,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:43:31,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:43:31,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:43:31,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:43:31,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:43:31,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:43:31,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:43:31,347 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:43:31,348 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:43:31,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:43:31,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:43:31,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:43:31,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:43:31,575 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:43:31,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/eqn2f.c [2022-01-10 15:43:31,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebeb3cc3/3c4a3113afb64863aebc77003887e5dc/FLAG470c8994d [2022-01-10 15:43:32,006 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:43:32,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/eqn2f.c [2022-01-10 15:43:32,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebeb3cc3/3c4a3113afb64863aebc77003887e5dc/FLAG470c8994d [2022-01-10 15:43:32,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ebeb3cc3/3c4a3113afb64863aebc77003887e5dc [2022-01-10 15:43:32,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:43:32,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:43:32,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:43:32,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:43:32,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:43:32,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209d91fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32, skipping insertion in model container [2022-01-10 15:43:32,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:43:32,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:43:32,574 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/eqn2f.c[588,601] [2022-01-10 15:43:32,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:43:32,630 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:43:32,642 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/eqn2f.c[588,601] [2022-01-10 15:43:32,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:43:32,660 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:43:32,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32 WrapperNode [2022-01-10 15:43:32,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:43:32,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:43:32,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:43:32,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:43:32,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,688 INFO L137 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-01-10 15:43:32,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:43:32,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:43:32,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:43:32,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:43:32,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:43:32,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:43:32,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:43:32,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:43:32,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (1/1) ... [2022-01-10 15:43:32,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:43:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:43:32,740 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 15:43:32,764 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 15:43:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:43:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:43:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 15:43:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 15:43:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:43:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:43:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 15:43:32,840 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:43:32,842 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:43:33,044 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:43:33,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:43:33,049 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-10 15:43:33,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:33 BoogieIcfgContainer [2022-01-10 15:43:33,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:43:33,051 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:43:33,051 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:43:33,052 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:43:33,055 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:33" (1/1) ... [2022-01-10 15:43:33,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:43:33 BasicIcfg [2022-01-10 15:43:33,195 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:43:33,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:43:33,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:43:33,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:43:33,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:43:32" (1/4) ... [2022-01-10 15:43:33,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc3063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:43:33, skipping insertion in model container [2022-01-10 15:43:33,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:43:32" (2/4) ... [2022-01-10 15:43:33,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc3063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:43:33, skipping insertion in model container [2022-01-10 15:43:33,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:43:33" (3/4) ... [2022-01-10 15:43:33,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc3063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:43:33, skipping insertion in model container [2022-01-10 15:43:33,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:43:33" (4/4) ... [2022-01-10 15:43:33,202 INFO L111 eAbstractionObserver]: Analyzing ICFG eqn2f.cTransformedIcfg [2022-01-10 15:43:33,206 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:43:33,206 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:43:33,241 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:43:33,247 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 15:43:33,247 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:43:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 15:43:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 15:43:33,261 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:33,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:33,262 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash 751161390, now seen corresponding path program 1 times [2022-01-10 15:43:33,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:33,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289582899] [2022-01-10 15:43:33,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:33,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:33,485 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 15:43:33,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:33,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289582899] [2022-01-10 15:43:33,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289582899] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:43:33,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:43:33,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:43:33,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231808740] [2022-01-10 15:43:33,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:43:33,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 15:43:33,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:33,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 15:43:33,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 15:43:33,524 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 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 6.0) internal successors, (12), 2 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 15:43:33,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:43:33,537 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-01-10 15:43:33,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 15:43:33,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 15:43:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:43:33,546 INFO L225 Difference]: With dead ends: 38 [2022-01-10 15:43:33,547 INFO L226 Difference]: Without dead ends: 17 [2022-01-10 15:43:33,549 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 15:43:33,552 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 15:43:33,554 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 15:43:33,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-01-10 15:43:33,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-01-10 15:43:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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 15:43:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-01-10 15:43:33,594 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2022-01-10 15:43:33,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:43:33,595 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-01-10 15:43:33,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 15:43:33,597 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-01-10 15:43:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-01-10 15:43:33,597 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:33,597 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:33,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:43:33,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1055369552, now seen corresponding path program 1 times [2022-01-10 15:43:33,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:33,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252720486] [2022-01-10 15:43:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:33,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:33,678 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 15:43:33,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195245948] [2022-01-10 15:43:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:33,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:43:33,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:43:33,687 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 15:43:33,712 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 15:43:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:33,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2022-01-10 15:43:33,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:43:34,005 INFO L353 Elim1Store]: treesize reduction 56, result has 25.3 percent of original size [2022-01-10 15:43:34,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 81 [2022-01-10 15:43:34,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,030 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 27 [2022-01-10 15:43:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 27 [2022-01-10 15:43:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-10 15:43:34,348 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-01-10 15:43:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,357 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-01-10 15:43:34,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 15:43:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:43:34,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 15:43:34,669 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-10 15:43:34,669 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 330 treesize of output 155 [2022-01-10 15:43:34,744 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 15:43:34,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:43:34,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:34,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252720486] [2022-01-10 15:43:34,745 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 15:43:34,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195245948] [2022-01-10 15:43:34,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195245948] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:43:34,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:43:34,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-10 15:43:34,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196263373] [2022-01-10 15:43:34,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:43:34,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:43:34,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:34,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:43:34,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:43:34,748 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 15:43:36,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:38,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:41,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:43,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:45,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:43:45,673 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-01-10 15:43:45,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 15:43:45,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 15:43:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:43:45,676 INFO L225 Difference]: With dead ends: 35 [2022-01-10 15:43:45,676 INFO L226 Difference]: Without dead ends: 33 [2022-01-10 15:43:45,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-10 15:43:45,677 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-01-10 15:43:45,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 38 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2022-01-10 15:43:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-01-10 15:43:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 23. [2022-01-10 15:43:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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 15:43:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-01-10 15:43:45,684 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2022-01-10 15:43:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:43:45,684 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-01-10 15:43:45,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 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 15:43:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-01-10 15:43:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 15:43:45,685 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:45,685 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:45,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-10 15:43:45,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:43:45,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:45,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:45,890 INFO L85 PathProgramCache]: Analyzing trace with hash 312554478, now seen corresponding path program 1 times [2022-01-10 15:43:45,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:45,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448690965] [2022-01-10 15:43:45,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:45,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:45,952 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 15:43:45,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344390021] [2022-01-10 15:43:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:45,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:43:45,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:43:45,958 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 15:43:45,959 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 15:43:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:46,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 15:43:46,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:43:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:43:46,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:43:46,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:46,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448690965] [2022-01-10 15:43:46,118 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 15:43:46,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344390021] [2022-01-10 15:43:46,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344390021] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:43:46,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:43:46,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 15:43:46,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41118169] [2022-01-10 15:43:46,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:43:46,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 15:43:46,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:46,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 15:43:46,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:43:46,121 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 15:43:48,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:50,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:52,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-10 15:43:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:43:52,932 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-01-10 15:43:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 15:43:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 15:43:52,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:43:52,945 INFO L225 Difference]: With dead ends: 41 [2022-01-10 15:43:52,945 INFO L226 Difference]: Without dead ends: 32 [2022-01-10 15:43:52,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:43:52,946 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-01-10 15:43:52,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 29 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 3 Unknown, 0 Unchecked, 6.8s Time] [2022-01-10 15:43:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-01-10 15:43:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-01-10 15:43:52,950 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 15:43:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-01-10 15:43:52,951 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2022-01-10 15:43:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:43:52,951 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-01-10 15:43:52,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 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 15:43:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-01-10 15:43:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 15:43:52,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:43:52,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:43:52,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 15:43:53,152 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,SelfDestructingSolverStorable2 [2022-01-10 15:43:53,153 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:43:53,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:43:53,153 INFO L85 PathProgramCache]: Analyzing trace with hash -953919346, now seen corresponding path program 1 times [2022-01-10 15:43:53,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:43:53,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900177488] [2022-01-10 15:43:53,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:53,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:43:53,188 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 15:43:53,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603707662] [2022-01-10 15:43:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:43:53,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:43:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:43:53,193 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 15:43:53,195 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 15:43:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:43:53,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 15:43:53,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:43:53,328 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 15:43:53,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:43:53,418 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 15:43:53,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:43:53,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900177488] [2022-01-10 15:43:53,418 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 15:43:53,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603707662] [2022-01-10 15:43:53,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603707662] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:43:53,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 15:43:53,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2022-01-10 15:43:53,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196326359] [2022-01-10 15:43:53,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 15:43:53,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 15:43:53,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:43:53,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 15:43:53,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-10 15:43:53,427 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 15:43:55,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:57,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:43:59,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:01,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:04,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:04,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:44:04,243 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2022-01-10 15:44:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 15:44:04,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 15:44:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:44:04,244 INFO L225 Difference]: With dead ends: 42 [2022-01-10 15:44:04,244 INFO L226 Difference]: Without dead ends: 35 [2022-01-10 15:44:04,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-01-10 15:44:04,245 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 24 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 16 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-01-10 15:44:04,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 47 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 10.8s Time] [2022-01-10 15:44:04,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-01-10 15:44:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2022-01-10 15:44:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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 15:44:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-01-10 15:44:04,250 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2022-01-10 15:44:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:44:04,251 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-01-10 15:44:04,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 15:44:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-01-10 15:44:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 15:44:04,251 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:44:04,251 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:44:04,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-10 15:44:04,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:44:04,468 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:44:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:44:04,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1017934828, now seen corresponding path program 1 times [2022-01-10 15:44:04,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:44:04,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843902100] [2022-01-10 15:44:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:44:04,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:44:04,504 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 15:44:04,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459375690] [2022-01-10 15:44:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:44:04,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:44:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:44:04,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 15:44:04,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 15:44:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:44:04,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 15:44:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:44:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:44:04,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:44:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:44:05,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:44:05,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843902100] [2022-01-10 15:44:05,054 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 15:44:05,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459375690] [2022-01-10 15:44:05,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459375690] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:44:05,054 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 15:44:05,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2022-01-10 15:44:05,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309732972] [2022-01-10 15:44:05,054 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 15:44:05,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 15:44:05,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:44:05,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 15:44:05,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-10 15:44:05,056 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 15:44:07,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:09,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:11,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:13,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:15,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:17,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:44:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:44:18,326 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-01-10 15:44:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 15:44:18,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 16 [2022-01-10 15:44:18,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:44:18,327 INFO L225 Difference]: With dead ends: 41 [2022-01-10 15:44:18,328 INFO L226 Difference]: Without dead ends: 27 [2022-01-10 15:44:18,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-01-10 15:44:18,329 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 12 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:44:18,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 47 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 78 Invalid, 6 Unknown, 0 Unchecked, 13.3s Time] [2022-01-10 15:44:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-01-10 15:44:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-01-10 15:44:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 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 15:44:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-01-10 15:44:18,332 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-01-10 15:44:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:44:18,333 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-01-10 15:44:18,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 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 15:44:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-01-10 15:44:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-10 15:44:18,333 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:44:18,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:44:18,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-10 15:44:18,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:44:18,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:44:18,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:44:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash -978045364, now seen corresponding path program 1 times [2022-01-10 15:44:18,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:44:18,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696170687] [2022-01-10 15:44:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:44:18,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:44:18,567 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 15:44:18,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [152747931] [2022-01-10 15:44:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:44:18,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:44:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:44:18,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 15:44:18,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-10 15:44:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:44:19,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 39 conjunts are in the unsatisfiable core [2022-01-10 15:44:19,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:44:19,289 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-10 15:44:19,290 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 17 treesize of output 17 [2022-01-10 15:44:19,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,303 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2022-01-10 15:44:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,317 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 27 [2022-01-10 15:44:19,400 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2022-01-10 15:44:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2022-01-10 15:44:19,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-10 15:44:19,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 15:44:19,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-10 15:44:19,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 130 [2022-01-10 15:44:19,738 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 15:44:19,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:44:34,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_194 Int) (v_ArrVal_193 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (let ((.cse0 (let ((.cse3 (let ((.cse5 (mod (+ (* 18446744039349813248 (mod (div |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 2147483648) 2)) (* |c_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 8)) 18446744073709551616))) (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.baseInt|) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse5) 18446744073709551616) v_ArrVal_194) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse5 4) 18446744073709551616) v_ArrVal_193))) (.cse4 (mod (+ (* 8 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) (* 18446744039349813248 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2))) 18446744073709551616))) (+ (* 4294967296 (select .cse3 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse4 4) 18446744073709551616))) (select .cse3 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse4) 18446744073709551616)))))) (or (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 0)) (< .cse0 0) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|)) (= .cse0 (let ((.cse1 (mod (let ((.cse2 (mod (* 2 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) 4294967296))) (+ (mod (* .cse2 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) 4294967296) .cse2 1)) 4294967296))) (+ (* 18446744069414584320 (mod (div .cse1 2147483648) 2)) .cse1)))))) is different from false [2022-01-10 15:44:40,819 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_194 Int) (v_ArrVal_193 Int) (|v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| Int)) (let ((.cse0 (let ((.cse3 (store (store (select |c_#memory_intInt| |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.baseInt|) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| 8) 18446744073709551616) v_ArrVal_194) (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| 12) 18446744073709551616) v_ArrVal_193)) (.cse4 (mod (+ (* 8 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) (* 18446744039349813248 (mod (div |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 2147483648) 2))) 18446744073709551616))) (+ (* (select .cse3 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse4 4) 18446744073709551616)) 4294967296) (select .cse3 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~b~0#1.offsetInt| .cse4) 18446744073709551616)))))) (or (not (<= |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10| 0)) (= .cse0 (let ((.cse1 (mod (let ((.cse2 (mod (* 2 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) 4294967296))) (+ (mod (* .cse2 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|) 4294967296) .cse2 1)) 4294967296))) (+ (* 18446744069414584320 (mod (div .cse1 2147483648) 2)) .cse1))) (not (<= 0 |v_ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int_10|)) (< .cse0 0)))) is different from false