/usr/bin/java -ea -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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 04:32:49,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 04:32:49,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 04:32:49,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-15 04:32:49,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-15 04:32:49,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-15 04:32:49,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-15 04:32:49,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-15 04:32:49,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-15 04:32:49,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-15 04:32:49,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-15 04:32:49,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-15 04:32:49,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 04:32:49,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 04:32:49,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 04:32:49,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 04:32:49,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 04:32:49,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 04:32:49,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 04:32:49,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 04:32:49,722 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 04:32:49,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 04:32:49,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 04:32:49,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 04:32:49,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 04:32:49,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-15 04:32:49,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-15 04:32:49,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-15 04:32:49,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-15 04:32:49,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-15 04:32:49,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-15 04:32:49,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-15 04:32:49,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-15 04:32:49,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-15 04:32:49,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-15 04:32:49,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-15 04:32:49,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-15 04:32:49,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-15 04:32:49,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-15 04:32:49,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 04:32:49,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 04:32:49,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 04:32:49,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-15 04:32:49,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 04:32:49,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 04:32:49,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-15 04:32:49,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-15 04:32:49,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-15 04:32:49,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-15 04:32:49,759 INFO L138 SettingsManager]: * Use SBE=true [2022-04-15 04:32:49,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 04:32:49,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 04:32:49,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 04:32:49,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:32:49,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 04:32:49,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-15 04:32:49,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-15 04:32:49,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-15 04:32:49,762 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 04:32:49,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 04:32:49,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 04:32:49,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 04:32:49,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 04:32:49,975 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 04:32:49,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound5.c [2022-04-15 04:32:50,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15456889/f38772fd342648d2886cda492a96063c/FLAGe95bffce7 [2022-04-15 04:32:50,368 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 04:32:50,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound5.c [2022-04-15 04:32:50,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15456889/f38772fd342648d2886cda492a96063c/FLAGe95bffce7 [2022-04-15 04:32:50,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15456889/f38772fd342648d2886cda492a96063c [2022-04-15 04:32:50,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 04:32:50,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-15 04:32:50,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 04:32:50,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 04:32:50,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 04:32:50,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:50,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13713c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50, skipping insertion in model container [2022-04-15 04:32:50,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:50,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 04:32:50,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 04:32:50,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound5.c[458,471] [2022-04-15 04:32:50,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:32:50,942 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 04:32:50,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps5-ll_unwindbound5.c[458,471] [2022-04-15 04:32:50,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 04:32:50,983 INFO L208 MainTranslator]: Completed translation [2022-04-15 04:32:50,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50 WrapperNode [2022-04-15 04:32:50,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 04:32:50,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 04:32:50,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 04:32:50,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 04:32:50,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:50,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:50,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:50,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:51,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:51,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:51,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:51,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 04:32:51,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 04:32:51,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 04:32:51,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 04:32:51,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (1/1) ... [2022-04-15 04:32:51,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 04:32:51,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:51,048 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) [2022-04-15 04:32:51,067 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 [2022-04-15 04:32:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 04:32:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 04:32:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 04:32:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-15 04:32:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 04:32:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 04:32:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 04:32:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 04:32:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 04:32:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 04:32:51,131 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 04:32:51,133 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 04:32:51,272 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 04:32:51,277 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 04:32:51,277 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 04:32:51,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:32:51 BoogieIcfgContainer [2022-04-15 04:32:51,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 04:32:51,279 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-15 04:32:51,279 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-15 04:32:51,279 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-15 04:32:51,281 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:32:51" (1/1) ... [2022-04-15 04:32:51,283 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-15 04:32:51,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:32:51 BasicIcfg [2022-04-15 04:32:51,298 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-15 04:32:51,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 04:32:51,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 04:32:51,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 04:32:51,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 04:32:50" (1/4) ... [2022-04-15 04:32:51,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17be3986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:32:51, skipping insertion in model container [2022-04-15 04:32:51,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 04:32:50" (2/4) ... [2022-04-15 04:32:51,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17be3986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 04:32:51, skipping insertion in model container [2022-04-15 04:32:51,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 04:32:51" (3/4) ... [2022-04-15 04:32:51,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17be3986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 04:32:51, skipping insertion in model container [2022-04-15 04:32:51,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 15.04 04:32:51" (4/4) ... [2022-04-15 04:32:51,304 INFO L111 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound5.cqvasr [2022-04-15 04:32:51,307 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-15 04:32:51,307 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 04:32:51,335 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 04:32:51,341 INFO L340 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=FINITE_AUTOMATA, 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 [2022-04-15 04:32:51,342 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 04:32:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-15 04:32:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-15 04:32:51,363 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:51,364 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:51,364 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:51,372 INFO L85 PathProgramCache]: Analyzing trace with hash 843387237, now seen corresponding path program 1 times [2022-04-15 04:32:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:51,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362405994] [2022-04-15 04:32:51,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 04:32:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:51,614 INFO L290 TraceCheckUtils]: 0: Hoare triple {41#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {32#true} is VALID [2022-04-15 04:32:51,615 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:32:51,615 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {32#true} {32#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:32:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-15 04:32:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:51,626 INFO L290 TraceCheckUtils]: 0: Hoare triple {32#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:32:51,627 INFO L290 TraceCheckUtils]: 1: Hoare triple {32#true} [75] L7-->L7-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {33#false} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,628 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33#false} {32#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {33#false} is VALID [2022-04-15 04:32:51,630 INFO L272 TraceCheckUtils]: 0: Hoare triple {32#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 04:32:51,630 INFO L290 TraceCheckUtils]: 1: Hoare triple {41#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {32#true} is VALID [2022-04-15 04:32:51,630 INFO L290 TraceCheckUtils]: 2: Hoare triple {32#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:32:51,630 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32#true} {32#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:32:51,631 INFO L272 TraceCheckUtils]: 4: Hoare triple {32#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {32#true} is VALID [2022-04-15 04:32:51,631 INFO L290 TraceCheckUtils]: 5: Hoare triple {32#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {32#true} is VALID [2022-04-15 04:32:51,631 INFO L272 TraceCheckUtils]: 6: Hoare triple {32#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {32#true} is VALID [2022-04-15 04:32:51,631 INFO L290 TraceCheckUtils]: 7: Hoare triple {32#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {32#true} is VALID [2022-04-15 04:32:51,633 INFO L290 TraceCheckUtils]: 8: Hoare triple {32#true} [75] L7-->L7-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,633 INFO L290 TraceCheckUtils]: 9: Hoare triple {33#false} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,633 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {33#false} {32#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {33#false} is VALID [2022-04-15 04:32:51,633 INFO L290 TraceCheckUtils]: 11: Hoare triple {33#false} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {33#false} is VALID [2022-04-15 04:32:51,633 INFO L290 TraceCheckUtils]: 12: Hoare triple {33#false} [73] L28-3-->L28-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,634 INFO L272 TraceCheckUtils]: 13: Hoare triple {33#false} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {33#false} is VALID [2022-04-15 04:32:51,634 INFO L290 TraceCheckUtils]: 14: Hoare triple {33#false} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {33#false} is VALID [2022-04-15 04:32:51,634 INFO L290 TraceCheckUtils]: 15: Hoare triple {33#false} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,634 INFO L290 TraceCheckUtils]: 16: Hoare triple {33#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {33#false} is VALID [2022-04-15 04:32:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:51,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:32:51,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362405994] [2022-04-15 04:32:51,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362405994] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:32:51,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:32:51,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 04:32:51,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869324449] [2022-04-15 04:32:51,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:32:51,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-15 04:32:51,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:32:51,644 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:51,669 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:51,669 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 04:32:51,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:32:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 04:32:51,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 04:32:51,687 INFO L87 Difference]: Start difference. First operand has 29 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:51,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:51,813 INFO L93 Difference]: Finished difference Result 50 states and 65 transitions. [2022-04-15 04:32:51,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 04:32:51,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-15 04:32:51,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:32:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2022-04-15 04:32:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2022-04-15 04:32:51,833 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 65 transitions. [2022-04-15 04:32:51,908 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:51,916 INFO L225 Difference]: With dead ends: 50 [2022-04-15 04:32:51,916 INFO L226 Difference]: Without dead ends: 25 [2022-04-15 04:32:51,918 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 04:32:51,921 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:32:51,922 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:32:51,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-15 04:32:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-04-15 04:32:51,946 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:32:51,947 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:51,947 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:51,948 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:51,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:51,953 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-04-15 04:32:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-04-15 04:32:51,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:51,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:51,955 INFO L74 IsIncluded]: Start isIncluded. First operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 25 states. [2022-04-15 04:32:51,955 INFO L87 Difference]: Start difference. First operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 25 states. [2022-04-15 04:32:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:51,960 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2022-04-15 04:32:51,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-04-15 04:32:51,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:51,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:51,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:32:51,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:32:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-04-15 04:32:51,967 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 17 [2022-04-15 04:32:51,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:32:51,967 INFO L478 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-04-15 04:32:51,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-04-15 04:32:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 04:32:51,969 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:51,969 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:51,969 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 04:32:51,969 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:51,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:51,970 INFO L85 PathProgramCache]: Analyzing trace with hash 208087835, now seen corresponding path program 1 times [2022-04-15 04:32:51,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:51,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356691841] [2022-04-15 04:32:51,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:51,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:51,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:32:51,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61883136] [2022-04-15 04:32:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:51,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:52,008 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) [2022-04-15 04:32:52,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-15 04:32:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:52,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-15 04:32:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:52,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:32:52,236 INFO L272 TraceCheckUtils]: 0: Hoare triple {196#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {196#true} is VALID [2022-04-15 04:32:52,237 INFO L290 TraceCheckUtils]: 1: Hoare triple {196#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,237 INFO L290 TraceCheckUtils]: 2: Hoare triple {204#(<= ~counter~0 0)} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,238 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {204#(<= ~counter~0 0)} {196#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,239 INFO L272 TraceCheckUtils]: 4: Hoare triple {204#(<= ~counter~0 0)} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,239 INFO L290 TraceCheckUtils]: 5: Hoare triple {204#(<= ~counter~0 0)} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,240 INFO L272 TraceCheckUtils]: 6: Hoare triple {204#(<= ~counter~0 0)} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,240 INFO L290 TraceCheckUtils]: 7: Hoare triple {204#(<= ~counter~0 0)} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,241 INFO L290 TraceCheckUtils]: 8: Hoare triple {204#(<= ~counter~0 0)} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,241 INFO L290 TraceCheckUtils]: 9: Hoare triple {204#(<= ~counter~0 0)} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,242 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {204#(<= ~counter~0 0)} {204#(<= ~counter~0 0)} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,242 INFO L290 TraceCheckUtils]: 11: Hoare triple {204#(<= ~counter~0 0)} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {204#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:52,243 INFO L290 TraceCheckUtils]: 12: Hoare triple {204#(<= ~counter~0 0)} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {238#(<= |main_#t~post5| 0)} is VALID [2022-04-15 04:32:52,243 INFO L290 TraceCheckUtils]: 13: Hoare triple {238#(<= |main_#t~post5| 0)} [78] L28-1-->L28-4: Formula: (not (< |v_main_#t~post5_3| 5)) InVars {main_#t~post5=|v_main_#t~post5_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {197#false} is VALID [2022-04-15 04:32:52,244 INFO L272 TraceCheckUtils]: 14: Hoare triple {197#false} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {197#false} is VALID [2022-04-15 04:32:52,244 INFO L290 TraceCheckUtils]: 15: Hoare triple {197#false} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {197#false} is VALID [2022-04-15 04:32:52,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {197#false} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {197#false} is VALID [2022-04-15 04:32:52,245 INFO L290 TraceCheckUtils]: 17: Hoare triple {197#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {197#false} is VALID [2022-04-15 04:32:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:52,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:32:52,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:32:52,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356691841] [2022-04-15 04:32:52,246 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:32:52,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61883136] [2022-04-15 04:32:52,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61883136] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:32:52,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:32:52,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-15 04:32:52,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487527708] [2022-04-15 04:32:52,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:32:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-15 04:32:52,253 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:32:52,253 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 04:32:52,268 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:52,268 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-15 04:32:52,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:32:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-15 04:32:52,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 04:32:52,271 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 04:32:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:52,339 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-15 04:32:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-15 04:32:52,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-15 04:32:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:32:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 04:32:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2022-04-15 04:32:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 04:32:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 38 transitions. [2022-04-15 04:32:52,345 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 38 transitions. [2022-04-15 04:32:52,375 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:52,379 INFO L225 Difference]: With dead ends: 34 [2022-04-15 04:32:52,379 INFO L226 Difference]: Without dead ends: 26 [2022-04-15 04:32:52,379 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-15 04:32:52,381 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:32:52,382 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:32:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-15 04:32:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-15 04:32:52,392 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:32:52,393 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:52,394 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:52,394 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:52,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:52,398 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-15 04:32:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-15 04:32:52,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:52,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:52,400 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-15 04:32:52,400 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 26 states. [2022-04-15 04:32:52,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:52,404 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-15 04:32:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-15 04:32:52,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:52,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:52,405 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:32:52,405 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:32:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-15 04:32:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-04-15 04:32:52,410 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 18 [2022-04-15 04:32:52,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:32:52,410 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-04-15 04:32:52,410 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-15 04:32:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-15 04:32:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-15 04:32:52,412 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:52,412 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:52,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-15 04:32:52,629 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:52,629 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:52,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:52,630 INFO L85 PathProgramCache]: Analyzing trace with hash 209190102, now seen corresponding path program 1 times [2022-04-15 04:32:52,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:52,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503474442] [2022-04-15 04:32:52,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:52,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:52,651 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:32:52,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989481545] [2022-04-15 04:32:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:52,668 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) [2022-04-15 04:32:52,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-15 04:32:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:52,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 04:32:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:52,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:32:52,859 INFO L272 TraceCheckUtils]: 0: Hoare triple {392#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L290 TraceCheckUtils]: 1: Hoare triple {392#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L290 TraceCheckUtils]: 2: Hoare triple {392#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {392#true} {392#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L272 TraceCheckUtils]: 4: Hoare triple {392#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L290 TraceCheckUtils]: 5: Hoare triple {392#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {392#true} is VALID [2022-04-15 04:32:52,860 INFO L272 TraceCheckUtils]: 6: Hoare triple {392#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {392#true} is VALID [2022-04-15 04:32:52,861 INFO L290 TraceCheckUtils]: 7: Hoare triple {392#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {392#true} is VALID [2022-04-15 04:32:52,861 INFO L290 TraceCheckUtils]: 8: Hoare triple {392#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,861 INFO L290 TraceCheckUtils]: 9: Hoare triple {392#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {392#true} is VALID [2022-04-15 04:32:52,861 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {392#true} {392#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {392#true} is VALID [2022-04-15 04:32:52,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {392#true} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {430#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:52,863 INFO L290 TraceCheckUtils]: 12: Hoare triple {430#(and (= main_~x~0 0) (= main_~y~0 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {430#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:52,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {430#(and (= main_~x~0 0) (= main_~y~0 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {430#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:52,866 INFO L272 TraceCheckUtils]: 14: Hoare triple {430#(and (= main_~x~0 0) (= main_~y~0 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {440#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:32:52,866 INFO L290 TraceCheckUtils]: 15: Hoare triple {440#(<= 1 |__VERIFIER_assert_#in~cond|)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {444#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:32:52,867 INFO L290 TraceCheckUtils]: 16: Hoare triple {444#(<= 1 __VERIFIER_assert_~cond)} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {393#false} is VALID [2022-04-15 04:32:52,867 INFO L290 TraceCheckUtils]: 17: Hoare triple {393#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {393#false} is VALID [2022-04-15 04:32:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:52,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-15 04:32:52,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:32:52,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503474442] [2022-04-15 04:32:52,868 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:32:52,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989481545] [2022-04-15 04:32:52,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989481545] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 04:32:52,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 04:32:52,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-15 04:32:52,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570671767] [2022-04-15 04:32:52,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:32:52,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 04:32:52,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:32:52,869 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:52,883 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:52,883 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 04:32:52,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:32:52,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 04:32:52,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-15 04:32:52,884 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:53,013 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2022-04-15 04:32:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 04:32:53,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-15 04:32:53,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:32:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-15 04:32:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-15 04:32:53,017 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2022-04-15 04:32:53,064 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:53,066 INFO L225 Difference]: With dead ends: 36 [2022-04-15 04:32:53,066 INFO L226 Difference]: Without dead ends: 32 [2022-04-15 04:32:53,066 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-15 04:32:53,068 INFO L913 BasicCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:32:53,070 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 87 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:32:53,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-15 04:32:53,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-04-15 04:32:53,080 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:32:53,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:32:53,081 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:32:53,081 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:32:53,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:53,085 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-15 04:32:53,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-15 04:32:53,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:53,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:53,089 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 32 states. [2022-04-15 04:32:53,089 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 32 states. [2022-04-15 04:32:53,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:53,091 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-15 04:32:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-15 04:32:53,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:53,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:53,091 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:32:53,091 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:32:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-15 04:32:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-04-15 04:32:53,093 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 18 [2022-04-15 04:32:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:32:53,093 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-04-15 04:32:53,093 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-15 04:32:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-04-15 04:32:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-15 04:32:53,094 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:53,094 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:53,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-15 04:32:53,307 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-15 04:32:53,308 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:53,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:53,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1223799235, now seen corresponding path program 1 times [2022-04-15 04:32:53,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:53,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283743881] [2022-04-15 04:32:53,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:53,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:53,323 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:32:53,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875418284] [2022-04-15 04:32:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:53,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:53,327 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) [2022-04-15 04:32:53,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-15 04:32:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:53,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-15 04:32:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:53,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:32:53,533 INFO L272 TraceCheckUtils]: 0: Hoare triple {614#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {614#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,534 INFO L290 TraceCheckUtils]: 2: Hoare triple {622#(<= ~counter~0 0)} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,534 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {622#(<= ~counter~0 0)} {614#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,535 INFO L272 TraceCheckUtils]: 4: Hoare triple {622#(<= ~counter~0 0)} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {622#(<= ~counter~0 0)} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,536 INFO L272 TraceCheckUtils]: 6: Hoare triple {622#(<= ~counter~0 0)} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,536 INFO L290 TraceCheckUtils]: 7: Hoare triple {622#(<= ~counter~0 0)} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,536 INFO L290 TraceCheckUtils]: 8: Hoare triple {622#(<= ~counter~0 0)} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,537 INFO L290 TraceCheckUtils]: 9: Hoare triple {622#(<= ~counter~0 0)} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,541 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {622#(<= ~counter~0 0)} {622#(<= ~counter~0 0)} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,542 INFO L290 TraceCheckUtils]: 11: Hoare triple {622#(<= ~counter~0 0)} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {622#(<= ~counter~0 0)} is VALID [2022-04-15 04:32:53,547 INFO L290 TraceCheckUtils]: 12: Hoare triple {622#(<= ~counter~0 0)} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,548 INFO L290 TraceCheckUtils]: 13: Hoare triple {656#(<= ~counter~0 1)} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,549 INFO L272 TraceCheckUtils]: 14: Hoare triple {656#(<= ~counter~0 1)} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,549 INFO L290 TraceCheckUtils]: 15: Hoare triple {656#(<= ~counter~0 1)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,550 INFO L290 TraceCheckUtils]: 16: Hoare triple {656#(<= ~counter~0 1)} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,550 INFO L290 TraceCheckUtils]: 17: Hoare triple {656#(<= ~counter~0 1)} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,551 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {656#(<= ~counter~0 1)} {656#(<= ~counter~0 1)} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,552 INFO L290 TraceCheckUtils]: 19: Hoare triple {656#(<= ~counter~0 1)} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {656#(<= ~counter~0 1)} is VALID [2022-04-15 04:32:53,552 INFO L290 TraceCheckUtils]: 20: Hoare triple {656#(<= ~counter~0 1)} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {681#(<= |main_#t~post5| 1)} is VALID [2022-04-15 04:32:53,553 INFO L290 TraceCheckUtils]: 21: Hoare triple {681#(<= |main_#t~post5| 1)} [78] L28-1-->L28-4: Formula: (not (< |v_main_#t~post5_3| 5)) InVars {main_#t~post5=|v_main_#t~post5_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {615#false} is VALID [2022-04-15 04:32:53,553 INFO L272 TraceCheckUtils]: 22: Hoare triple {615#false} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {615#false} is VALID [2022-04-15 04:32:53,553 INFO L290 TraceCheckUtils]: 23: Hoare triple {615#false} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {615#false} is VALID [2022-04-15 04:32:53,554 INFO L290 TraceCheckUtils]: 24: Hoare triple {615#false} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {615#false} is VALID [2022-04-15 04:32:53,554 INFO L290 TraceCheckUtils]: 25: Hoare triple {615#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {615#false} is VALID [2022-04-15 04:32:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:53,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:32:53,707 INFO L290 TraceCheckUtils]: 25: Hoare triple {615#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {615#false} is VALID [2022-04-15 04:32:53,708 INFO L290 TraceCheckUtils]: 24: Hoare triple {615#false} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {615#false} is VALID [2022-04-15 04:32:53,708 INFO L290 TraceCheckUtils]: 23: Hoare triple {615#false} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {615#false} is VALID [2022-04-15 04:32:53,708 INFO L272 TraceCheckUtils]: 22: Hoare triple {615#false} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {615#false} is VALID [2022-04-15 04:32:53,709 INFO L290 TraceCheckUtils]: 21: Hoare triple {709#(< |main_#t~post5| 5)} [78] L28-1-->L28-4: Formula: (not (< |v_main_#t~post5_3| 5)) InVars {main_#t~post5=|v_main_#t~post5_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {615#false} is VALID [2022-04-15 04:32:53,709 INFO L290 TraceCheckUtils]: 20: Hoare triple {713#(< ~counter~0 5)} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {709#(< |main_#t~post5| 5)} is VALID [2022-04-15 04:32:53,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {713#(< ~counter~0 5)} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {713#(< ~counter~0 5)} is VALID [2022-04-15 04:32:53,710 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {614#true} {713#(< ~counter~0 5)} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {713#(< ~counter~0 5)} is VALID [2022-04-15 04:32:53,711 INFO L290 TraceCheckUtils]: 17: Hoare triple {614#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,711 INFO L290 TraceCheckUtils]: 16: Hoare triple {614#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,711 INFO L290 TraceCheckUtils]: 15: Hoare triple {614#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {614#true} is VALID [2022-04-15 04:32:53,711 INFO L272 TraceCheckUtils]: 14: Hoare triple {713#(< ~counter~0 5)} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {614#true} is VALID [2022-04-15 04:32:53,712 INFO L290 TraceCheckUtils]: 13: Hoare triple {713#(< ~counter~0 5)} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {713#(< ~counter~0 5)} is VALID [2022-04-15 04:32:53,713 INFO L290 TraceCheckUtils]: 12: Hoare triple {738#(< ~counter~0 4)} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {713#(< ~counter~0 5)} is VALID [2022-04-15 04:32:53,713 INFO L290 TraceCheckUtils]: 11: Hoare triple {738#(< ~counter~0 4)} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,714 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {614#true} {738#(< ~counter~0 4)} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,714 INFO L290 TraceCheckUtils]: 9: Hoare triple {614#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,714 INFO L290 TraceCheckUtils]: 8: Hoare triple {614#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,714 INFO L290 TraceCheckUtils]: 7: Hoare triple {614#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {614#true} is VALID [2022-04-15 04:32:53,714 INFO L272 TraceCheckUtils]: 6: Hoare triple {738#(< ~counter~0 4)} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {614#true} is VALID [2022-04-15 04:32:53,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {738#(< ~counter~0 4)} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,716 INFO L272 TraceCheckUtils]: 4: Hoare triple {738#(< ~counter~0 4)} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {738#(< ~counter~0 4)} {614#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,717 INFO L290 TraceCheckUtils]: 2: Hoare triple {738#(< ~counter~0 4)} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,718 INFO L290 TraceCheckUtils]: 1: Hoare triple {614#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {738#(< ~counter~0 4)} is VALID [2022-04-15 04:32:53,718 INFO L272 TraceCheckUtils]: 0: Hoare triple {614#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {614#true} is VALID [2022-04-15 04:32:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:53,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:32:53,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283743881] [2022-04-15 04:32:53,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:32:53,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875418284] [2022-04-15 04:32:53,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875418284] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-15 04:32:53,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-15 04:32:53,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-15 04:32:53,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737192731] [2022-04-15 04:32:53,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-15 04:32:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 26 [2022-04-15 04:32:53,720 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:32:53,720 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:32:53,758 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:53,759 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 04:32:53,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:32:53,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 04:32:53,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-15 04:32:53,760 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:32:53,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:53,933 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2022-04-15 04:32:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-15 04:32:53,933 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 26 [2022-04-15 04:32:53,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:32:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:32:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 76 transitions. [2022-04-15 04:32:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:32:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 76 transitions. [2022-04-15 04:32:53,938 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 76 transitions. [2022-04-15 04:32:54,003 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:54,008 INFO L225 Difference]: With dead ends: 66 [2022-04-15 04:32:54,008 INFO L226 Difference]: Without dead ends: 58 [2022-04-15 04:32:54,009 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-15 04:32:54,009 INFO L913 BasicCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:32:54,010 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 95 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:32:54,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-04-15 04:32:54,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2022-04-15 04:32:54,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:32:54,023 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:54,024 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:54,024 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:54,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:54,026 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-04-15 04:32:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-04-15 04:32:54,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:54,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:54,027 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 58 states. [2022-04-15 04:32:54,027 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 58 states. [2022-04-15 04:32:54,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:54,029 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2022-04-15 04:32:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-04-15 04:32:54,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:54,029 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:54,030 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:32:54,030 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:32:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 37 states have internal predecessors, (41), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-04-15 04:32:54,032 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 26 [2022-04-15 04:32:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:32:54,032 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-04-15 04:32:54,032 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:32:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-04-15 04:32:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-15 04:32:54,033 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:54,033 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:54,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-15 04:32:54,247 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:54,247 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1222696968, now seen corresponding path program 1 times [2022-04-15 04:32:54,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:54,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259238872] [2022-04-15 04:32:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:54,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:54,263 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:32:54,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [50455849] [2022-04-15 04:32:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:54,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:54,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:54,265 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) [2022-04-15 04:32:54,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-15 04:32:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:54,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-15 04:32:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:54,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:32:54,465 INFO L272 TraceCheckUtils]: 0: Hoare triple {1072#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,465 INFO L290 TraceCheckUtils]: 1: Hoare triple {1072#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L290 TraceCheckUtils]: 2: Hoare triple {1072#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1072#true} {1072#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L272 TraceCheckUtils]: 4: Hoare triple {1072#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L290 TraceCheckUtils]: 5: Hoare triple {1072#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L272 TraceCheckUtils]: 6: Hoare triple {1072#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L290 TraceCheckUtils]: 7: Hoare triple {1072#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1072#true} is VALID [2022-04-15 04:32:54,466 INFO L290 TraceCheckUtils]: 8: Hoare triple {1072#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,467 INFO L290 TraceCheckUtils]: 9: Hoare triple {1072#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,467 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1072#true} {1072#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1072#true} is VALID [2022-04-15 04:32:54,468 INFO L290 TraceCheckUtils]: 11: Hoare triple {1072#true} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {1110#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:54,468 INFO L290 TraceCheckUtils]: 12: Hoare triple {1110#(and (= main_~x~0 0) (= main_~y~0 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1110#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:54,469 INFO L290 TraceCheckUtils]: 13: Hoare triple {1110#(and (= main_~x~0 0) (= main_~y~0 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1110#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:54,469 INFO L272 TraceCheckUtils]: 14: Hoare triple {1110#(and (= main_~x~0 0) (= main_~y~0 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1072#true} is VALID [2022-04-15 04:32:54,469 INFO L290 TraceCheckUtils]: 15: Hoare triple {1072#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1072#true} is VALID [2022-04-15 04:32:54,469 INFO L290 TraceCheckUtils]: 16: Hoare triple {1072#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,469 INFO L290 TraceCheckUtils]: 17: Hoare triple {1072#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:54,479 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1072#true} {1110#(and (= main_~x~0 0) (= main_~y~0 0))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1110#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:54,479 INFO L290 TraceCheckUtils]: 19: Hoare triple {1110#(and (= main_~x~0 0) (= main_~y~0 0))} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} is VALID [2022-04-15 04:32:54,480 INFO L290 TraceCheckUtils]: 20: Hoare triple {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} is VALID [2022-04-15 04:32:54,480 INFO L290 TraceCheckUtils]: 21: Hoare triple {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} is VALID [2022-04-15 04:32:54,481 INFO L272 TraceCheckUtils]: 22: Hoare triple {1135#(and (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0 main_~y~0)) 0) (= (+ (- 1) main_~y~0) 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1145#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:32:54,481 INFO L290 TraceCheckUtils]: 23: Hoare triple {1145#(<= 1 |__VERIFIER_assert_#in~cond|)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1149#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:32:54,481 INFO L290 TraceCheckUtils]: 24: Hoare triple {1149#(<= 1 __VERIFIER_assert_~cond)} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1073#false} is VALID [2022-04-15 04:32:54,482 INFO L290 TraceCheckUtils]: 25: Hoare triple {1073#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1073#false} is VALID [2022-04-15 04:32:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 04:32:54,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:32:54,726 INFO L290 TraceCheckUtils]: 25: Hoare triple {1073#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1073#false} is VALID [2022-04-15 04:32:54,726 INFO L290 TraceCheckUtils]: 24: Hoare triple {1149#(<= 1 __VERIFIER_assert_~cond)} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1073#false} is VALID [2022-04-15 04:32:54,727 INFO L290 TraceCheckUtils]: 23: Hoare triple {1145#(<= 1 |__VERIFIER_assert_#in~cond|)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1149#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:32:54,728 INFO L272 TraceCheckUtils]: 22: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1145#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:32:54,728 INFO L290 TraceCheckUtils]: 21: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:54,729 INFO L290 TraceCheckUtils]: 20: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,471 INFO L290 TraceCheckUtils]: 19: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,474 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1072#true} {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,474 INFO L290 TraceCheckUtils]: 17: Hoare triple {1072#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,475 INFO L290 TraceCheckUtils]: 16: Hoare triple {1072#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,475 INFO L290 TraceCheckUtils]: 15: Hoare triple {1072#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1072#true} is VALID [2022-04-15 04:32:55,475 INFO L272 TraceCheckUtils]: 14: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1072#true} is VALID [2022-04-15 04:32:55,475 INFO L290 TraceCheckUtils]: 13: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,477 INFO L290 TraceCheckUtils]: 12: Hoare triple {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,477 INFO L290 TraceCheckUtils]: 11: Hoare triple {1072#true} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {1165#(= (+ main_~y~0 (* 30 main_~x~0)) (+ (* (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) 15) (* 6 (* main_~y~0 main_~y~0 main_~y~0 main_~y~0 main_~y~0)) (* (* main_~y~0 main_~y~0 main_~y~0) 10)))} is VALID [2022-04-15 04:32:55,477 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1072#true} {1072#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1072#true} is VALID [2022-04-15 04:32:55,477 INFO L290 TraceCheckUtils]: 9: Hoare triple {1072#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L290 TraceCheckUtils]: 8: Hoare triple {1072#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L290 TraceCheckUtils]: 7: Hoare triple {1072#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L272 TraceCheckUtils]: 6: Hoare triple {1072#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L290 TraceCheckUtils]: 5: Hoare triple {1072#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L272 TraceCheckUtils]: 4: Hoare triple {1072#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1072#true} {1072#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L290 TraceCheckUtils]: 2: Hoare triple {1072#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,478 INFO L290 TraceCheckUtils]: 1: Hoare triple {1072#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1072#true} is VALID [2022-04-15 04:32:55,479 INFO L272 TraceCheckUtils]: 0: Hoare triple {1072#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#true} is VALID [2022-04-15 04:32:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-15 04:32:55,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:32:55,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259238872] [2022-04-15 04:32:55,479 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:32:55,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50455849] [2022-04-15 04:32:55,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50455849] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-15 04:32:55,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-15 04:32:55,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-15 04:32:55,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515067018] [2022-04-15 04:32:55,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 04:32:55,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-04-15 04:32:55,480 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:32:55,480 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 04:32:56,077 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:56,077 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-15 04:32:56,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:32:56,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-15 04:32:56,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-15 04:32:56,078 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 04:32:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:56,231 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2022-04-15 04:32:56,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-15 04:32:56,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-04-15 04:32:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:32:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 04:32:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-04-15 04:32:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 04:32:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-04-15 04:32:56,233 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 32 transitions. [2022-04-15 04:32:59,004 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 31 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-15 04:32:59,005 INFO L225 Difference]: With dead ends: 68 [2022-04-15 04:32:59,005 INFO L226 Difference]: Without dead ends: 60 [2022-04-15 04:32:59,006 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-15 04:32:59,006 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 7 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-15 04:32:59,006 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 73 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 04:32:59,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-15 04:32:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2022-04-15 04:32:59,045 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:32:59,045 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:59,045 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:59,046 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:59,047 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2022-04-15 04:32:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-04-15 04:32:59,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:59,048 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:59,048 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) Second operand 60 states. [2022-04-15 04:32:59,048 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) Second operand 60 states. [2022-04-15 04:32:59,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:32:59,050 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2022-04-15 04:32:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2022-04-15 04:32:59,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:32:59,050 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:32:59,050 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:32:59,050 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:32:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 38 states have internal predecessors, (40), 11 states have call successors, (11), 8 states have call predecessors, (11), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-15 04:32:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2022-04-15 04:32:59,060 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 26 [2022-04-15 04:32:59,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:32:59,060 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2022-04-15 04:32:59,060 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-15 04:32:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2022-04-15 04:32:59,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-04-15 04:32:59,061 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:32:59,061 INFO L499 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:32:59,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-15 04:32:59,261 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:59,261 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:32:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:32:59,262 INFO L85 PathProgramCache]: Analyzing trace with hash 96926796, now seen corresponding path program 1 times [2022-04-15 04:32:59,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:32:59,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703190133] [2022-04-15 04:32:59,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:32:59,274 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:32:59,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281303797] [2022-04-15 04:32:59,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:32:59,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:32:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:32:59,276 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) [2022-04-15 04:32:59,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-15 04:32:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:59,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-15 04:32:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:32:59,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:32:59,667 INFO L272 TraceCheckUtils]: 0: Hoare triple {1530#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {1530#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1530#true} is VALID [2022-04-15 04:32:59,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {1530#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,667 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1530#true} {1530#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,667 INFO L272 TraceCheckUtils]: 4: Hoare triple {1530#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,668 INFO L290 TraceCheckUtils]: 5: Hoare triple {1530#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1530#true} is VALID [2022-04-15 04:32:59,668 INFO L272 TraceCheckUtils]: 6: Hoare triple {1530#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1530#true} is VALID [2022-04-15 04:32:59,669 INFO L290 TraceCheckUtils]: 7: Hoare triple {1530#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1530#true} is VALID [2022-04-15 04:32:59,669 INFO L290 TraceCheckUtils]: 8: Hoare triple {1530#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,669 INFO L290 TraceCheckUtils]: 9: Hoare triple {1530#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,669 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1530#true} {1530#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1530#true} is VALID [2022-04-15 04:32:59,670 INFO L290 TraceCheckUtils]: 11: Hoare triple {1530#true} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {1568#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:59,671 INFO L290 TraceCheckUtils]: 12: Hoare triple {1568#(and (= main_~c~0 0) (= main_~y~0 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1568#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:59,671 INFO L290 TraceCheckUtils]: 13: Hoare triple {1568#(and (= main_~c~0 0) (= main_~y~0 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1568#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:59,673 INFO L272 TraceCheckUtils]: 14: Hoare triple {1568#(and (= main_~c~0 0) (= main_~y~0 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1530#true} is VALID [2022-04-15 04:32:59,673 INFO L290 TraceCheckUtils]: 15: Hoare triple {1530#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1530#true} is VALID [2022-04-15 04:32:59,674 INFO L290 TraceCheckUtils]: 16: Hoare triple {1530#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,675 INFO L290 TraceCheckUtils]: 17: Hoare triple {1530#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,675 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1530#true} {1568#(and (= main_~c~0 0) (= main_~y~0 0))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1568#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:32:59,676 INFO L290 TraceCheckUtils]: 19: Hoare triple {1568#(and (= main_~c~0 0) (= main_~y~0 0))} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-15 04:32:59,678 INFO L290 TraceCheckUtils]: 20: Hoare triple {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-15 04:32:59,679 INFO L290 TraceCheckUtils]: 21: Hoare triple {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-15 04:32:59,679 INFO L272 TraceCheckUtils]: 22: Hoare triple {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1530#true} is VALID [2022-04-15 04:32:59,679 INFO L290 TraceCheckUtils]: 23: Hoare triple {1530#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1530#true} is VALID [2022-04-15 04:32:59,679 INFO L290 TraceCheckUtils]: 24: Hoare triple {1530#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,679 INFO L290 TraceCheckUtils]: 25: Hoare triple {1530#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,680 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1530#true} {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-15 04:32:59,681 INFO L290 TraceCheckUtils]: 27: Hoare triple {1593#(and (= (+ (- 1) main_~y~0) 0) (< 0 main_~k~0) (<= main_~c~0 1))} [87] L29-1-->L28-4: Formula: (not (< v_main_~c~0_3 v_main_~k~0_6)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_6} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_6} AuxVars[] AssignedVars[] {1618#(and (= (+ (- 1) main_~y~0) 0) (<= main_~k~0 1) (< 0 main_~k~0))} is VALID [2022-04-15 04:32:59,681 INFO L272 TraceCheckUtils]: 28: Hoare triple {1618#(and (= (+ (- 1) main_~y~0) 0) (<= main_~k~0 1) (< 0 main_~k~0))} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1530#true} is VALID [2022-04-15 04:32:59,681 INFO L290 TraceCheckUtils]: 29: Hoare triple {1530#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1530#true} is VALID [2022-04-15 04:32:59,681 INFO L290 TraceCheckUtils]: 30: Hoare triple {1530#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,681 INFO L290 TraceCheckUtils]: 31: Hoare triple {1530#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1530#true} is VALID [2022-04-15 04:32:59,682 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {1530#true} {1618#(and (= (+ (- 1) main_~y~0) 0) (<= main_~k~0 1) (< 0 main_~k~0))} [97] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1618#(and (= (+ (- 1) main_~y~0) 0) (<= main_~k~0 1) (< 0 main_~k~0))} is VALID [2022-04-15 04:32:59,682 INFO L272 TraceCheckUtils]: 33: Hoare triple {1618#(and (= (+ (- 1) main_~y~0) 0) (<= main_~k~0 1) (< 0 main_~k~0))} [81] L39-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_10 v_main_~y~0_10) (* v_main_~y~0_10 v_main_~k~0_9)) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1637#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:32:59,685 INFO L290 TraceCheckUtils]: 34: Hoare triple {1637#(<= 1 |__VERIFIER_assert_#in~cond|)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1641#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:32:59,685 INFO L290 TraceCheckUtils]: 35: Hoare triple {1641#(<= 1 __VERIFIER_assert_~cond)} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1531#false} is VALID [2022-04-15 04:32:59,686 INFO L290 TraceCheckUtils]: 36: Hoare triple {1531#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1531#false} is VALID [2022-04-15 04:32:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-15 04:32:59,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:33:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:33:00,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703190133] [2022-04-15 04:33:00,012 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:33:00,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281303797] [2022-04-15 04:33:00,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281303797] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 04:33:00,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 04:33:00,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-04-15 04:33:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378004060] [2022-04-15 04:33:00,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-15 04:33:00,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2022-04-15 04:33:00,013 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:33:00,013 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-04-15 04:33:00,031 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:33:00,031 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-15 04:33:00,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:33:00,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-15 04:33:00,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-04-15 04:33:00,032 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-04-15 04:33:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:00,227 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2022-04-15 04:33:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-15 04:33:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2022-04-15 04:33:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:33:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-04-15 04:33:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2022-04-15 04:33:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-04-15 04:33:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2022-04-15 04:33:00,234 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 44 transitions. [2022-04-15 04:33:00,262 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:33:00,265 INFO L225 Difference]: With dead ends: 59 [2022-04-15 04:33:00,265 INFO L226 Difference]: Without dead ends: 53 [2022-04-15 04:33:00,265 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-04-15 04:33:00,269 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 04:33:00,270 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 141 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 04:33:00,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-15 04:33:00,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-04-15 04:33:00,296 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:33:00,296 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 04:33:00,297 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 04:33:00,297 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 04:33:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:00,298 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-15 04:33:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-15 04:33:00,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:33:00,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:33:00,299 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 53 states. [2022-04-15 04:33:00,299 INFO L87 Difference]: Start difference. First operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand 53 states. [2022-04-15 04:33:00,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:00,301 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-15 04:33:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-15 04:33:00,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:33:00,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:33:00,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:33:00,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:33:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 37 states have internal predecessors, (39), 10 states have call successors, (10), 8 states have call predecessors, (10), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-15 04:33:00,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2022-04-15 04:33:00,303 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 37 [2022-04-15 04:33:00,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:33:00,303 INFO L478 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2022-04-15 04:33:00,303 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-04-15 04:33:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-15 04:33:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-15 04:33:00,304 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:33:00,304 INFO L499 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:33:00,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-15 04:33:00,520 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:33:00,520 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:33:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:33:00,521 INFO L85 PathProgramCache]: Analyzing trace with hash -678596118, now seen corresponding path program 2 times [2022-04-15 04:33:00,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:33:00,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408901878] [2022-04-15 04:33:00,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:33:00,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:33:00,538 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:33:00,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207165398] [2022-04-15 04:33:00,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-15 04:33:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:33:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:33:00,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 04:33:00,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-15 04:33:00,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-15 04:33:00,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-15 04:33:00,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-15 04:33:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 04:33:00,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-15 04:33:01,029 INFO L272 TraceCheckUtils]: 0: Hoare triple {1978#true} [64] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,029 INFO L290 TraceCheckUtils]: 1: Hoare triple {1978#true} [66] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1978#true} is VALID [2022-04-15 04:33:01,029 INFO L290 TraceCheckUtils]: 2: Hoare triple {1978#true} [69] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1978#true} {1978#true} [93] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L272 TraceCheckUtils]: 4: Hoare triple {1978#true} [65] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L290 TraceCheckUtils]: 5: Hoare triple {1978#true} [68] mainENTRY-->L22: Formula: (and (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_1, main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_2, main_~k~0=v_main_~k~0_2} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0, main_~k~0, main_~c~0, main_~y~0] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L272 TraceCheckUtils]: 6: Hoare triple {1978#true} [70] L22-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L290 TraceCheckUtils]: 7: Hoare triple {1978#true} [72] assume_abort_if_notENTRY-->L7: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {1978#true} [76] L7-->L7-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L290 TraceCheckUtils]: 9: Hoare triple {1978#true} [80] L7-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,030 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1978#true} {1978#true} [94] assume_abort_if_notEXIT-->L22-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= v_main_~k~0_8 256) 1 0)) InVars {main_~k~0=v_main_~k~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~k~0, assume_abort_if_not_#in~cond] {1978#true} is VALID [2022-04-15 04:33:01,032 INFO L290 TraceCheckUtils]: 11: Hoare triple {1978#true} [71] L22-1-->L28-3: Formula: (and (= v_main_~c~0_2 0) (= v_main_~y~0_4 0) (= v_main_~x~0_3 0)) InVars {} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_4, main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_~x~0, main_~c~0, main_~y~0] {2016#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:33:01,032 INFO L290 TraceCheckUtils]: 12: Hoare triple {2016#(and (= main_~c~0 0) (= main_~y~0 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2016#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:33:01,033 INFO L290 TraceCheckUtils]: 13: Hoare triple {2016#(and (= main_~c~0 0) (= main_~y~0 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2016#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:33:01,033 INFO L272 TraceCheckUtils]: 14: Hoare triple {2016#(and (= main_~c~0 0) (= main_~y~0 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1978#true} is VALID [2022-04-15 04:33:01,033 INFO L290 TraceCheckUtils]: 15: Hoare triple {1978#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1978#true} is VALID [2022-04-15 04:33:01,033 INFO L290 TraceCheckUtils]: 16: Hoare triple {1978#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,033 INFO L290 TraceCheckUtils]: 17: Hoare triple {1978#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,034 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1978#true} {2016#(and (= main_~c~0 0) (= main_~y~0 0))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2016#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-15 04:33:01,034 INFO L290 TraceCheckUtils]: 19: Hoare triple {2016#(and (= main_~c~0 0) (= main_~y~0 0))} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-15 04:33:01,035 INFO L290 TraceCheckUtils]: 20: Hoare triple {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-15 04:33:01,035 INFO L290 TraceCheckUtils]: 21: Hoare triple {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-15 04:33:01,035 INFO L272 TraceCheckUtils]: 22: Hoare triple {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1978#true} is VALID [2022-04-15 04:33:01,036 INFO L290 TraceCheckUtils]: 23: Hoare triple {1978#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1978#true} is VALID [2022-04-15 04:33:01,036 INFO L290 TraceCheckUtils]: 24: Hoare triple {1978#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,036 INFO L290 TraceCheckUtils]: 25: Hoare triple {1978#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,036 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {1978#true} {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-15 04:33:01,039 INFO L290 TraceCheckUtils]: 27: Hoare triple {2041#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [88] L29-1-->L28-3: Formula: (and (< v_main_~c~0_5 v_main_~k~0_7) (= v_main_~c~0_4 (+ v_main_~c~0_5 1)) (= (+ v_main_~x~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 (* v_main_~y~0_6 v_main_~y~0_6)))) v_main_~x~0_5) (= v_main_~y~0_6 (+ v_main_~y~0_7 1))) InVars {main_~y~0=v_main_~y~0_7, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_7} OutVars{main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_4, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_7} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-15 04:33:01,039 INFO L290 TraceCheckUtils]: 28: Hoare triple {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [74] L28-3-->L28-1: Formula: (and (= |v_main_#t~post5_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post5_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-15 04:33:01,040 INFO L290 TraceCheckUtils]: 29: Hoare triple {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [79] L28-1-->L29: Formula: (< |v_main_#t~post5_5| 5) InVars {main_#t~post5=|v_main_#t~post5_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-15 04:33:01,040 INFO L272 TraceCheckUtils]: 30: Hoare triple {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [83] L29-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1978#true} is VALID [2022-04-15 04:33:01,040 INFO L290 TraceCheckUtils]: 31: Hoare triple {1978#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1978#true} is VALID [2022-04-15 04:33:01,040 INFO L290 TraceCheckUtils]: 32: Hoare triple {1978#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,040 INFO L290 TraceCheckUtils]: 33: Hoare triple {1978#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,041 INFO L284 TraceCheckUtils]: 34: Hoare quadruple {1978#true} {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [96] __VERIFIER_assertEXIT-->L29-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (+ (* (- 1) v_main_~y~0_8) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 15)))) (* v_main_~y~0_8 (* (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 6))) v_main_~y~0_8)) (* v_main_~y~0_8 (* v_main_~y~0_8 (* v_main_~y~0_8 10))) (* v_main_~x~0_7 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-15 04:33:01,041 INFO L290 TraceCheckUtils]: 35: Hoare triple {2066#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [87] L29-1-->L28-4: Formula: (not (< v_main_~c~0_3 v_main_~k~0_6)) InVars {main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_6} OutVars{main_~c~0=v_main_~c~0_3, main_~k~0=v_main_~k~0_6} AuxVars[] AssignedVars[] {2091#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} is VALID [2022-04-15 04:33:01,042 INFO L272 TraceCheckUtils]: 36: Hoare triple {2091#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [77] L28-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1978#true} is VALID [2022-04-15 04:33:01,042 INFO L290 TraceCheckUtils]: 37: Hoare triple {1978#true} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1978#true} is VALID [2022-04-15 04:33:01,042 INFO L290 TraceCheckUtils]: 38: Hoare triple {1978#true} [86] L10-->L10-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,042 INFO L290 TraceCheckUtils]: 39: Hoare triple {1978#true} [92] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1978#true} is VALID [2022-04-15 04:33:01,043 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {1978#true} {2091#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [97] __VERIFIER_assertEXIT-->L39: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 10))) (* v_main_~y~0_9 (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 6))) v_main_~y~0_9)) (* (- 1) v_main_~y~0_9) (* (* v_main_~y~0_9 (* v_main_~y~0_9 (* v_main_~y~0_9 15))) v_main_~y~0_9) (* v_main_~x~0_8 (- 30))) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_8, main_~y~0=v_main_~y~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2091#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} is VALID [2022-04-15 04:33:01,044 INFO L272 TraceCheckUtils]: 41: Hoare triple {2091#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [81] L39-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (* v_main_~y~0_10 v_main_~y~0_10) (* v_main_~y~0_10 v_main_~k~0_9)) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_9} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2110#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-15 04:33:01,044 INFO L290 TraceCheckUtils]: 42: Hoare triple {2110#(<= 1 |__VERIFIER_assert_#in~cond|)} [82] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2114#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-15 04:33:01,045 INFO L290 TraceCheckUtils]: 43: Hoare triple {2114#(<= 1 __VERIFIER_assert_~cond)} [85] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1979#false} is VALID [2022-04-15 04:33:01,045 INFO L290 TraceCheckUtils]: 44: Hoare triple {1979#false} [90] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1979#false} is VALID [2022-04-15 04:33:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-15 04:33:01,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-15 04:33:01,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 04:33:01,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408901878] [2022-04-15 04:33:01,277 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-15 04:33:01,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207165398] [2022-04-15 04:33:01,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207165398] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-15 04:33:01,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-15 04:33:01,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-04-15 04:33:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621570330] [2022-04-15 04:33:01,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-15 04:33:01,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 45 [2022-04-15 04:33:01,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 04:33:01,278 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:33:01,298 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:33:01,299 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-15 04:33:01,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-15 04:33:01,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-15 04:33:01,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-04-15 04:33:01,299 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:33:01,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:01,592 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2022-04-15 04:33:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-15 04:33:01,593 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 45 [2022-04-15 04:33:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 04:33:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:33:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 49 transitions. [2022-04-15 04:33:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:33:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 49 transitions. [2022-04-15 04:33:01,612 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 49 transitions. [2022-04-15 04:33:01,649 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 04:33:01,651 INFO L225 Difference]: With dead ends: 58 [2022-04-15 04:33:01,651 INFO L226 Difference]: Without dead ends: 52 [2022-04-15 04:33:01,651 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-04-15 04:33:01,652 INFO L913 BasicCegarLoop]: 35 mSDtfsCounter, 2 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-15 04:33:01,652 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 179 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-15 04:33:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-15 04:33:01,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-04-15 04:33:01,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 04:33:01,674 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:33:01,674 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:33:01,674 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:33:01,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:01,676 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-04-15 04:33:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2022-04-15 04:33:01,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:33:01,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:33:01,687 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 52 states. [2022-04-15 04:33:01,687 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 52 states. [2022-04-15 04:33:01,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 04:33:01,689 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-04-15 04:33:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2022-04-15 04:33:01,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 04:33:01,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 04:33:01,689 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 04:33:01,689 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 04:33:01,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-15 04:33:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2022-04-15 04:33:01,691 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 45 [2022-04-15 04:33:01,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 04:33:01,692 INFO L478 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2022-04-15 04:33:01,692 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-15 04:33:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2022-04-15 04:33:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-04-15 04:33:01,693 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 04:33:01,693 INFO L499 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 04:33:01,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-15 04:33:01,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:33:01,901 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 04:33:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 04:33:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1280010632, now seen corresponding path program 3 times [2022-04-15 04:33:01,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 04:33:01,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011975373] [2022-04-15 04:33:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 04:33:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 04:33:01,932 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-15 04:33:01,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398552015] [2022-04-15 04:33:01,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-15 04:33:01,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-15 04:33:01,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 04:33:01,948 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-15 04:33:01,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process