/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/ps4-ll_unwindbound5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 01:28:55,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 01:28:55,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 01:28:55,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-28 01:28:55,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-28 01:28:55,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-28 01:28:55,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-28 01:28:55,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-28 01:28:55,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-28 01:28:55,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-28 01:28:55,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-28 01:28:55,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-28 01:28:55,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 01:28:55,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 01:28:55,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 01:28:55,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 01:28:55,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 01:28:55,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 01:28:55,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 01:28:55,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 01:28:55,905 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 01:28:55,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 01:28:55,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 01:28:55,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 01:28:55,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 01:28:55,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-28 01:28:55,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-28 01:28:55,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-28 01:28:55,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-28 01:28:55,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-28 01:28:55,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-28 01:28:55,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 01:28:55,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 01:28:55,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 01:28:55,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-28 01:28:55,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 01:28:55,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 01:28:55,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-28 01:28:55,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-28 01:28:55,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-28 01:28:55,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-28 01:28:55,956 INFO L138 SettingsManager]: * Use SBE=true [2022-04-28 01:28:55,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 01:28:55,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 01:28:55,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 01:28:55,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 01:28:55,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 01:28:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:28:55,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 01:28:55,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-28 01:28:55,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-28 01:28:55,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-28 01:28:55,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-28 01:28:55,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 01:28:55,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-28 01:28:55,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-28 01:28:55,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-28 01:28:55,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 01:28:56,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 01:28:56,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 01:28:56,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 01:28:56,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 01:28:56,206 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 01:28:56,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-28 01:28:56,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2be7f63/4d37e4a263824a0babdf9e080f890742/FLAG35f7ac0db [2022-04-28 01:28:56,631 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 01:28:56,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/ps4-ll_unwindbound5.c [2022-04-28 01:28:56,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2be7f63/4d37e4a263824a0babdf9e080f890742/FLAG35f7ac0db [2022-04-28 01:28:57,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d2be7f63/4d37e4a263824a0babdf9e080f890742 [2022-04-28 01:28:57,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 01:28:57,052 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-28 01:28:57,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 01:28:57,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 01:28:57,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 01:28:57,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1ec5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57, skipping insertion in model container [2022-04-28 01:28:57,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 01:28:57,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 01:28:57,219 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/ps4-ll_unwindbound5.c[458,471] [2022-04-28 01:28:57,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:28:57,255 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 01:28:57,270 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/ps4-ll_unwindbound5.c[458,471] [2022-04-28 01:28:57,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:28:57,295 INFO L208 MainTranslator]: Completed translation [2022-04-28 01:28:57,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57 WrapperNode [2022-04-28 01:28:57,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 01:28:57,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 01:28:57,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 01:28:57,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 01:28:57,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 01:28:57,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 01:28:57,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 01:28:57,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 01:28:57,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:28:57,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:28:57,364 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) [2022-04-28 01:28:57,379 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 [2022-04-28 01:28:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 01:28:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 01:28:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 01:28:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 01:28:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 01:28:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 01:28:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 01:28:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 01:28:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 01:28:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 01:28:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 01:28:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 01:28:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 01:28:57,463 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 01:28:57,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 01:28:57,635 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 01:28:57,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 01:28:57,640 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 01:28:57,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:28:57 BoogieIcfgContainer [2022-04-28 01:28:57,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 01:28:57,642 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-28 01:28:57,642 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-28 01:28:57,656 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-28 01:28:57,658 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:28:57" (1/1) ... [2022-04-28 01:28:57,660 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-28 01:28:57,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 01:28:57 BasicIcfg [2022-04-28 01:28:57,697 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-28 01:28:57,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 01:28:57,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 01:28:57,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 01:28:57,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 01:28:57" (1/4) ... [2022-04-28 01:28:57,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311f54b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 01:28:57, skipping insertion in model container [2022-04-28 01:28:57,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:28:57" (2/4) ... [2022-04-28 01:28:57,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311f54b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 01:28:57, skipping insertion in model container [2022-04-28 01:28:57,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:28:57" (3/4) ... [2022-04-28 01:28:57,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311f54b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 01:28:57, skipping insertion in model container [2022-04-28 01:28:57,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 01:28:57" (4/4) ... [2022-04-28 01:28:57,706 INFO L111 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound5.cqvasr [2022-04-28 01:28:57,719 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-28 01:28:57,720 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 01:28:57,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 01:28:57,789 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1504e1f8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6b5f04b9 [2022-04-28 01:28:57,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 01:28:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:28:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-28 01:28:57,804 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:28:57,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:28:57,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:28:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:28:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1984627219, now seen corresponding path program 1 times [2022-04-28 01:28:57,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:28:57,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645269606] [2022-04-28 01:28:57,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:57,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:28:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 01:28:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:58,012 INFO L290 TraceCheckUtils]: 0: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] 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] {26#true} is VALID [2022-04-28 01:28:58,012 INFO L290 TraceCheckUtils]: 1: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-28 01:28:58,013 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-28 01:28:58,019 INFO L272 TraceCheckUtils]: 0: Hoare triple {26#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 01:28:58,020 INFO L290 TraceCheckUtils]: 1: Hoare triple {31#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [62] 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] {26#true} is VALID [2022-04-28 01:28:58,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {26#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-28 01:28:58,020 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-28 01:28:58,020 INFO L272 TraceCheckUtils]: 4: Hoare triple {26#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {26#true} is VALID [2022-04-28 01:28:58,021 INFO L290 TraceCheckUtils]: 5: Hoare triple {26#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {26#true} is VALID [2022-04-28 01:28:58,024 INFO L290 TraceCheckUtils]: 6: Hoare triple {26#true} [66] L27-3-->L27-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-28 01:28:58,024 INFO L272 TraceCheckUtils]: 7: Hoare triple {27#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {27#false} is VALID [2022-04-28 01:28:58,024 INFO L290 TraceCheckUtils]: 8: Hoare triple {27#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {27#false} is VALID [2022-04-28 01:28:58,024 INFO L290 TraceCheckUtils]: 9: Hoare triple {27#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-28 01:28:58,025 INFO L290 TraceCheckUtils]: 10: Hoare triple {27#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {27#false} is VALID [2022-04-28 01:28:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:28:58,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:28:58,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645269606] [2022-04-28 01:28:58,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645269606] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:28:58,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:28:58,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 01:28:58,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530998848] [2022-04-28 01:28:58,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:28:58,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 01:28:58,034 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:28:58,038 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,057 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:58,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 01:28:58,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:28:58,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 01:28:58,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 01:28:58,082 INFO L87 Difference]: Start difference. First operand has 23 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,212 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-04-28 01:28:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 01:28:58,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 01:28:58,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:28:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-04-28 01:28:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-04-28 01:28:58,229 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 55 transitions. [2022-04-28 01:28:58,291 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:58,298 INFO L225 Difference]: With dead ends: 41 [2022-04-28 01:28:58,298 INFO L226 Difference]: Without dead ends: 19 [2022-04-28 01:28:58,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 01:28:58,303 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:28:58,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 29 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:28:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-04-28 01:28:58,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-04-28 01:28:58,327 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:28:58,328 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,329 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,329 INFO L87 Difference]: Start difference. First operand 19 states. Second operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,336 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-28 01:28:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-28 01:28:58,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:58,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:58,337 INFO L74 IsIncluded]: Start isIncluded. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-28 01:28:58,338 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 19 states. [2022-04-28 01:28:58,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,345 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2022-04-28 01:28:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-04-28 01:28:58,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:58,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:58,346 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:28:58,347 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:28:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2022-04-28 01:28:58,352 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 11 [2022-04-28 01:28:58,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:28:58,355 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-04-28 01:28:58,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-04-28 01:28:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-28 01:28:58,362 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:28:58,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:28:58,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 01:28:58,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:28:58,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:28:58,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1423332195, now seen corresponding path program 1 times [2022-04-28 01:28:58,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:28:58,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127177375] [2022-04-28 01:28:58,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:58,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:28:58,388 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:28:58,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067341012] [2022-04-28 01:28:58,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:58,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:28:58,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:28:58,400 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) [2022-04-28 01:28:58,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 01:28:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:58,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 01:28:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:58,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:28:58,625 INFO L272 TraceCheckUtils]: 0: Hoare triple {155#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {155#true} is VALID [2022-04-28 01:28:58,626 INFO L290 TraceCheckUtils]: 1: Hoare triple {155#true} [62] 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] {163#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:58,627 INFO L290 TraceCheckUtils]: 2: Hoare triple {163#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:58,627 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {163#(<= ~counter~0 0)} {155#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:58,629 INFO L272 TraceCheckUtils]: 4: Hoare triple {163#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {163#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:58,630 INFO L290 TraceCheckUtils]: 5: Hoare triple {163#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {163#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:58,630 INFO L290 TraceCheckUtils]: 6: Hoare triple {163#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {179#(<= |main_#t~post5| 0)} is VALID [2022-04-28 01:28:58,631 INFO L290 TraceCheckUtils]: 7: Hoare triple {179#(<= |main_#t~post5| 0)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {156#false} is VALID [2022-04-28 01:28:58,631 INFO L272 TraceCheckUtils]: 8: Hoare triple {156#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {156#false} is VALID [2022-04-28 01:28:58,631 INFO L290 TraceCheckUtils]: 9: Hoare triple {156#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {156#false} is VALID [2022-04-28 01:28:58,632 INFO L290 TraceCheckUtils]: 10: Hoare triple {156#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {156#false} is VALID [2022-04-28 01:28:58,632 INFO L290 TraceCheckUtils]: 11: Hoare triple {156#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {156#false} is VALID [2022-04-28 01:28:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:28:58,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:28:58,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:28:58,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127177375] [2022-04-28 01:28:58,633 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:28:58,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067341012] [2022-04-28 01:28:58,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067341012] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:28:58,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:28:58,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 01:28:58,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526079734] [2022-04-28 01:28:58,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:28:58,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 01:28:58,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:28:58,640 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,654 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:58,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 01:28:58,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:28:58,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 01:28:58,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 01:28:58,655 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,715 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-28 01:28:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 01:28:58,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 01:28:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:28:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-28 01:28:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2022-04-28 01:28:58,725 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 32 transitions. [2022-04-28 01:28:58,754 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:58,760 INFO L225 Difference]: With dead ends: 28 [2022-04-28 01:28:58,760 INFO L226 Difference]: Without dead ends: 20 [2022-04-28 01:28:58,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 01:28:58,762 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 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 [2022-04-28 01:28:58,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:28:58,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-28 01:28:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-28 01:28:58,769 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:28:58,769 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,769 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,770 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,771 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-28 01:28:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-28 01:28:58,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:58,772 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:58,772 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 01:28:58,772 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 01:28:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:58,774 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2022-04-28 01:28:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-28 01:28:58,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:58,774 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:58,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:28:58,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:28:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:28:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-04-28 01:28:58,776 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2022-04-28 01:28:58,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:28:58,777 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-04-28 01:28:58,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-04-28 01:28:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-28 01:28:58,777 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:28:58,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:28:58,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 01:28:59,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:28:59,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:28:59,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:28:59,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1424404671, now seen corresponding path program 1 times [2022-04-28 01:28:59,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:28:59,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809721483] [2022-04-28 01:28:59,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:59,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:28:59,013 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:28:59,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850965810] [2022-04-28 01:28:59,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:28:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:28:59,015 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) [2022-04-28 01:28:59,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 01:28:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:59,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 01:28:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:59,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:28:59,176 INFO L272 TraceCheckUtils]: 0: Hoare triple {305#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-28 01:28:59,178 INFO L290 TraceCheckUtils]: 1: Hoare triple {305#true} [62] 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] {305#true} is VALID [2022-04-28 01:28:59,179 INFO L290 TraceCheckUtils]: 2: Hoare triple {305#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-28 01:28:59,182 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {305#true} {305#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-28 01:28:59,182 INFO L272 TraceCheckUtils]: 4: Hoare triple {305#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {305#true} is VALID [2022-04-28 01:28:59,184 INFO L290 TraceCheckUtils]: 5: Hoare triple {305#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:28:59,185 INFO L290 TraceCheckUtils]: 6: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:28:59,185 INFO L290 TraceCheckUtils]: 7: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {325#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:28:59,193 INFO L272 TraceCheckUtils]: 8: Hoare triple {325#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {335#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:28:59,194 INFO L290 TraceCheckUtils]: 9: Hoare triple {335#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {339#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:28:59,195 INFO L290 TraceCheckUtils]: 10: Hoare triple {339#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {306#false} is VALID [2022-04-28 01:28:59,195 INFO L290 TraceCheckUtils]: 11: Hoare triple {306#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {306#false} is VALID [2022-04-28 01:28:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:28:59,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:28:59,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:28:59,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809721483] [2022-04-28 01:28:59,196 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:28:59,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850965810] [2022-04-28 01:28:59,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850965810] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:28:59,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:28:59,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 01:28:59,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353651885] [2022-04-28 01:28:59,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:28:59,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 01:28:59,197 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:28:59,197 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:59,208 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:59,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 01:28:59,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:28:59,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 01:28:59,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 01:28:59,209 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:59,406 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2022-04-28 01:28:59,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 01:28:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 01:28:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:28:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-28 01:28:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-04-28 01:28:59,411 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 35 transitions. [2022-04-28 01:28:59,451 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:28:59,452 INFO L225 Difference]: With dead ends: 30 [2022-04-28 01:28:59,452 INFO L226 Difference]: Without dead ends: 26 [2022-04-28 01:28:59,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 01:28:59,453 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:28:59,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:28:59,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-28 01:28:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-28 01:28:59,460 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:28:59,461 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) [2022-04-28 01:28:59,461 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) [2022-04-28 01:28:59,461 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) [2022-04-28 01:28:59,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:59,463 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-28 01:28:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-28 01:28:59,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:59,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:59,464 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. [2022-04-28 01:28:59,464 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. [2022-04-28 01:28:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:28:59,468 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-04-28 01:28:59,469 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-28 01:28:59,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:28:59,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:28:59,471 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:28:59,471 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:28:59,471 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) [2022-04-28 01:28:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-04-28 01:28:59,473 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 12 [2022-04-28 01:28:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:28:59,473 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-04-28 01:28:59,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 01:28:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-04-28 01:28:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-28 01:28:59,477 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:28:59,478 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:28:59,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 01:28:59,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-28 01:28:59,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:28:59,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:28:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash -381498108, now seen corresponding path program 1 times [2022-04-28 01:28:59,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:28:59,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743025592] [2022-04-28 01:28:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:59,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:28:59,714 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:28:59,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721947571] [2022-04-28 01:28:59,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:28:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:28:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:28:59,716 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) [2022-04-28 01:28:59,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 01:28:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:59,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 01:28:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:28:59,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:28:59,913 INFO L272 TraceCheckUtils]: 0: Hoare triple {481#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-28 01:28:59,914 INFO L290 TraceCheckUtils]: 1: Hoare triple {481#true} [62] 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] {489#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:59,915 INFO L290 TraceCheckUtils]: 2: Hoare triple {489#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:59,915 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {489#(<= ~counter~0 0)} {481#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:59,916 INFO L272 TraceCheckUtils]: 4: Hoare triple {489#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {489#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:59,916 INFO L290 TraceCheckUtils]: 5: Hoare triple {489#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {489#(<= ~counter~0 0)} is VALID [2022-04-28 01:28:59,917 INFO L290 TraceCheckUtils]: 6: Hoare triple {489#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,918 INFO L290 TraceCheckUtils]: 7: Hoare triple {505#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,918 INFO L272 TraceCheckUtils]: 8: Hoare triple {505#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,919 INFO L290 TraceCheckUtils]: 9: Hoare triple {505#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,919 INFO L290 TraceCheckUtils]: 10: Hoare triple {505#(<= ~counter~0 1)} [76] L10-->L10-2: Formula: (not (= 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[] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,920 INFO L290 TraceCheckUtils]: 11: Hoare triple {505#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,920 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {505#(<= ~counter~0 1)} {505#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,921 INFO L290 TraceCheckUtils]: 13: Hoare triple {505#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {505#(<= ~counter~0 1)} is VALID [2022-04-28 01:28:59,921 INFO L290 TraceCheckUtils]: 14: Hoare triple {505#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {530#(<= |main_#t~post5| 1)} is VALID [2022-04-28 01:28:59,922 INFO L290 TraceCheckUtils]: 15: Hoare triple {530#(<= |main_#t~post5| 1)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {482#false} is VALID [2022-04-28 01:28:59,922 INFO L272 TraceCheckUtils]: 16: Hoare triple {482#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {482#false} is VALID [2022-04-28 01:28:59,922 INFO L290 TraceCheckUtils]: 17: Hoare triple {482#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {482#false} is VALID [2022-04-28 01:28:59,923 INFO L290 TraceCheckUtils]: 18: Hoare triple {482#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-28 01:28:59,923 INFO L290 TraceCheckUtils]: 19: Hoare triple {482#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-28 01:28:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:28:59,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:00,063 INFO L290 TraceCheckUtils]: 19: Hoare triple {482#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-28 01:29:00,063 INFO L290 TraceCheckUtils]: 18: Hoare triple {482#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {482#false} is VALID [2022-04-28 01:29:00,063 INFO L290 TraceCheckUtils]: 17: Hoare triple {482#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {482#false} is VALID [2022-04-28 01:29:00,064 INFO L272 TraceCheckUtils]: 16: Hoare triple {482#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {482#false} is VALID [2022-04-28 01:29:00,064 INFO L290 TraceCheckUtils]: 15: Hoare triple {558#(< |main_#t~post5| 5)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {482#false} is VALID [2022-04-28 01:29:00,065 INFO L290 TraceCheckUtils]: 14: Hoare triple {562#(< ~counter~0 5)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {558#(< |main_#t~post5| 5)} is VALID [2022-04-28 01:29:00,065 INFO L290 TraceCheckUtils]: 13: Hoare triple {562#(< ~counter~0 5)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {562#(< ~counter~0 5)} is VALID [2022-04-28 01:29:00,066 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {481#true} {562#(< ~counter~0 5)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {562#(< ~counter~0 5)} is VALID [2022-04-28 01:29:00,066 INFO L290 TraceCheckUtils]: 11: Hoare triple {481#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-28 01:29:00,066 INFO L290 TraceCheckUtils]: 10: Hoare triple {481#true} [76] L10-->L10-2: Formula: (not (= 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[] {481#true} is VALID [2022-04-28 01:29:00,067 INFO L290 TraceCheckUtils]: 9: Hoare triple {481#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {481#true} is VALID [2022-04-28 01:29:00,067 INFO L272 TraceCheckUtils]: 8: Hoare triple {562#(< ~counter~0 5)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {481#true} is VALID [2022-04-28 01:29:00,067 INFO L290 TraceCheckUtils]: 7: Hoare triple {562#(< ~counter~0 5)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {562#(< ~counter~0 5)} is VALID [2022-04-28 01:29:00,068 INFO L290 TraceCheckUtils]: 6: Hoare triple {587#(< ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {562#(< ~counter~0 5)} is VALID [2022-04-28 01:29:00,068 INFO L290 TraceCheckUtils]: 5: Hoare triple {587#(< ~counter~0 4)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {587#(< ~counter~0 4)} is VALID [2022-04-28 01:29:00,069 INFO L272 TraceCheckUtils]: 4: Hoare triple {587#(< ~counter~0 4)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-28 01:29:00,069 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {587#(< ~counter~0 4)} {481#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-28 01:29:00,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {587#(< ~counter~0 4)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {587#(< ~counter~0 4)} is VALID [2022-04-28 01:29:00,071 INFO L290 TraceCheckUtils]: 1: Hoare triple {481#true} [62] 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] {587#(< ~counter~0 4)} is VALID [2022-04-28 01:29:00,071 INFO L272 TraceCheckUtils]: 0: Hoare triple {481#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {481#true} is VALID [2022-04-28 01:29:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:29:00,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:00,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743025592] [2022-04-28 01:29:00,072 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:00,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721947571] [2022-04-28 01:29:00,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721947571] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:29:00,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:29:00,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-28 01:29:00,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264766085] [2022-04-28 01:29:00,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:00,073 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-28 01:29:00,073 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:00,074 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:29:00,101 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:00,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 01:29:00,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 01:29:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-28 01:29:00,103 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:29:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:00,303 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2022-04-28 01:29:00,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 01:29:00,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-04-28 01:29:00,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:29:00,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 70 transitions. [2022-04-28 01:29:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:29:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 70 transitions. [2022-04-28 01:29:00,310 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 70 transitions. [2022-04-28 01:29:00,375 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:00,376 INFO L225 Difference]: With dead ends: 60 [2022-04-28 01:29:00,377 INFO L226 Difference]: Without dead ends: 52 [2022-04-28 01:29:00,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-28 01:29:00,378 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:00,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:29:00,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-28 01:29:00,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2022-04-28 01:29:00,392 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:00,393 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-28 01:29:00,393 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-28 01:29:00,393 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-28 01:29:00,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:00,396 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-28 01:29:00,396 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-28 01:29:00,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:00,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:00,397 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-28 01:29:00,398 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 52 states. [2022-04-28 01:29:00,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:00,400 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-28 01:29:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-04-28 01:29:00,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:00,401 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:00,401 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:00,401 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 33 states have internal predecessors, (37), 12 states have call successors, (12), 6 states have call predecessors, (12), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-28 01:29:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-04-28 01:29:00,403 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 20 [2022-04-28 01:29:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:00,404 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-04-28 01:29:00,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:29:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-04-28 01:29:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-28 01:29:00,405 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:00,405 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:00,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:00,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:00,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:00,628 INFO L85 PathProgramCache]: Analyzing trace with hash -380425632, now seen corresponding path program 1 times [2022-04-28 01:29:00,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:00,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686701652] [2022-04-28 01:29:00,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:00,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:00,639 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:00,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69704822] [2022-04-28 01:29:00,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:00,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:00,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:00,647 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) [2022-04-28 01:29:00,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 01:29:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:00,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-28 01:29:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:00,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:00,855 INFO L272 TraceCheckUtils]: 0: Hoare triple {875#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:00,855 INFO L290 TraceCheckUtils]: 1: Hoare triple {875#true} [62] 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] {875#true} is VALID [2022-04-28 01:29:00,856 INFO L290 TraceCheckUtils]: 2: Hoare triple {875#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:00,856 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {875#true} {875#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:00,856 INFO L272 TraceCheckUtils]: 4: Hoare triple {875#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:00,857 INFO L290 TraceCheckUtils]: 5: Hoare triple {875#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:00,857 INFO L290 TraceCheckUtils]: 6: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:00,858 INFO L290 TraceCheckUtils]: 7: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:00,859 INFO L272 TraceCheckUtils]: 8: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {875#true} is VALID [2022-04-28 01:29:00,859 INFO L290 TraceCheckUtils]: 9: Hoare triple {875#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {875#true} is VALID [2022-04-28 01:29:00,859 INFO L290 TraceCheckUtils]: 10: Hoare triple {875#true} [76] L10-->L10-2: Formula: (not (= 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[] {875#true} is VALID [2022-04-28 01:29:00,860 INFO L290 TraceCheckUtils]: 11: Hoare triple {875#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:00,861 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {875#true} {895#(and (= main_~x~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {895#(and (= main_~x~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:00,861 INFO L290 TraceCheckUtils]: 13: Hoare triple {895#(and (= main_~x~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-28 01:29:00,862 INFO L290 TraceCheckUtils]: 14: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-28 01:29:00,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} is VALID [2022-04-28 01:29:00,863 INFO L272 TraceCheckUtils]: 16: Hoare triple {920#(and (= (+ (- 1) main_~y~0) 0) (= (+ main_~x~0 (* (- 1) main_~y~0 main_~y~0 main_~y~0)) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {930#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:00,864 INFO L290 TraceCheckUtils]: 17: Hoare triple {930#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:00,864 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-28 01:29:00,865 INFO L290 TraceCheckUtils]: 19: Hoare triple {876#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-28 01:29:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:29:00,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:01,019 INFO L290 TraceCheckUtils]: 19: Hoare triple {876#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-28 01:29:01,020 INFO L290 TraceCheckUtils]: 18: Hoare triple {934#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {876#false} is VALID [2022-04-28 01:29:01,021 INFO L290 TraceCheckUtils]: 17: Hoare triple {930#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {934#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:01,022 INFO L272 TraceCheckUtils]: 16: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {930#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:01,026 INFO L290 TraceCheckUtils]: 15: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,031 INFO L290 TraceCheckUtils]: 14: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,040 INFO L290 TraceCheckUtils]: 13: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,041 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {875#true} {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,041 INFO L290 TraceCheckUtils]: 11: Hoare triple {875#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:01,041 INFO L290 TraceCheckUtils]: 10: Hoare triple {875#true} [76] L10-->L10-2: Formula: (not (= 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[] {875#true} is VALID [2022-04-28 01:29:01,041 INFO L290 TraceCheckUtils]: 9: Hoare triple {875#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {875#true} is VALID [2022-04-28 01:29:01,041 INFO L272 TraceCheckUtils]: 8: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {875#true} is VALID [2022-04-28 01:29:01,042 INFO L290 TraceCheckUtils]: 7: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,044 INFO L290 TraceCheckUtils]: 6: Hoare triple {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,044 INFO L290 TraceCheckUtils]: 5: Hoare triple {875#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {950#(= (+ (* main_~y~0 main_~y~0 main_~y~0 main_~y~0) (* main_~y~0 main_~y~0) (* (* main_~y~0 main_~y~0 main_~y~0) 2)) (* main_~x~0 4))} is VALID [2022-04-28 01:29:01,044 INFO L272 TraceCheckUtils]: 4: Hoare triple {875#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:01,045 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {875#true} {875#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:01,045 INFO L290 TraceCheckUtils]: 2: Hoare triple {875#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:01,045 INFO L290 TraceCheckUtils]: 1: Hoare triple {875#true} [62] 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] {875#true} is VALID [2022-04-28 01:29:01,045 INFO L272 TraceCheckUtils]: 0: Hoare triple {875#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {875#true} is VALID [2022-04-28 01:29:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-28 01:29:01,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:01,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686701652] [2022-04-28 01:29:01,046 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:01,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69704822] [2022-04-28 01:29:01,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69704822] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-28 01:29:01,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:29:01,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-04-28 01:29:01,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016781541] [2022-04-28 01:29:01,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:29:01,047 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), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-28 01:29:01,047 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:01,047 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:29:01,072 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:01,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 01:29:01,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 01:29:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-04-28 01:29:01,073 INFO L87 Difference]: Start difference. First operand 48 states and 57 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:29:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:01,189 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2022-04-28 01:29:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 01:29:01,189 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), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-28 01:29:01,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:01,190 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:29:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-04-28 01:29:01,191 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:29:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-04-28 01:29:01,192 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 26 transitions. [2022-04-28 01:29:01,224 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:01,226 INFO L225 Difference]: With dead ends: 62 [2022-04-28 01:29:01,226 INFO L226 Difference]: Without dead ends: 51 [2022-04-28 01:29:01,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-28 01:29:01,227 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:01,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 53 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:29:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-28 01:29:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2022-04-28 01:29:01,244 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:01,244 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:01,245 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:01,245 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:01,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:01,247 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-28 01:29:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-28 01:29:01,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:01,247 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:01,248 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-28 01:29:01,248 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 51 states. [2022-04-28 01:29:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:01,250 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2022-04-28 01:29:01,250 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2022-04-28 01:29:01,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:01,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:01,251 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:01,251 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2022-04-28 01:29:01,252 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 20 [2022-04-28 01:29:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:01,253 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2022-04-28 01:29:01,253 INFO L496 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), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:29:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2022-04-28 01:29:01,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-28 01:29:01,253 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:01,254 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:01,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:01,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:01,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:01,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1647871298, now seen corresponding path program 1 times [2022-04-28 01:29:01,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:01,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267691624] [2022-04-28 01:29:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:01,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:01,481 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:01,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939936430] [2022-04-28 01:29:01,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:01,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:01,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:01,482 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) [2022-04-28 01:29:01,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 01:29:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:01,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-28 01:29:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:01,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:01,979 INFO L272 TraceCheckUtils]: 0: Hoare triple {1257#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-28 01:29:01,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {1257#true} [62] 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] {1257#true} is VALID [2022-04-28 01:29:01,990 INFO L290 TraceCheckUtils]: 2: Hoare triple {1257#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-28 01:29:01,990 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1257#true} {1257#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-28 01:29:01,990 INFO L272 TraceCheckUtils]: 4: Hoare triple {1257#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-28 01:29:01,992 INFO L290 TraceCheckUtils]: 5: Hoare triple {1257#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:01,992 INFO L290 TraceCheckUtils]: 6: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:01,993 INFO L290 TraceCheckUtils]: 7: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:01,993 INFO L272 TraceCheckUtils]: 8: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1257#true} is VALID [2022-04-28 01:29:01,993 INFO L290 TraceCheckUtils]: 9: Hoare triple {1257#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1257#true} is VALID [2022-04-28 01:29:01,993 INFO L290 TraceCheckUtils]: 10: Hoare triple {1257#true} [76] L10-->L10-2: Formula: (not (= 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[] {1257#true} is VALID [2022-04-28 01:29:01,993 INFO L290 TraceCheckUtils]: 11: Hoare triple {1257#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1257#true} is VALID [2022-04-28 01:29:01,994 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1257#true} {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:01,995 INFO L290 TraceCheckUtils]: 13: Hoare triple {1277#(and (<= main_~x~0 0) (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-28 01:29:01,995 INFO L290 TraceCheckUtils]: 14: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-28 01:29:01,996 INFO L290 TraceCheckUtils]: 15: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-28 01:29:01,997 INFO L272 TraceCheckUtils]: 16: Hoare triple {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1257#true} is VALID [2022-04-28 01:29:01,997 INFO L290 TraceCheckUtils]: 17: Hoare triple {1257#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1315#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:01,997 INFO L290 TraceCheckUtils]: 18: Hoare triple {1315#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [76] L10-->L10-2: Formula: (not (= 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[] {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:29:01,998 INFO L290 TraceCheckUtils]: 19: Hoare triple {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:29:01,999 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1319#(not (= |__VERIFIER_assert_#in~cond| 0))} {1302#(and (= (+ (- 1) main_~y~0) 0) (<= main_~x~0 (* main_~y~0 main_~y~0 main_~y~0)) (< 0 main_~k~0) (<= main_~c~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1326#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} is VALID [2022-04-28 01:29:01,999 INFO L290 TraceCheckUtils]: 21: Hoare triple {1326#(and (= main_~y~0 1) (< 0 main_~k~0) (<= main_~c~0 1))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1330#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:02,000 INFO L272 TraceCheckUtils]: 22: Hoare triple {1330#(and (<= main_~k~0 1) (= main_~y~0 1) (< 0 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1334#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:02,001 INFO L290 TraceCheckUtils]: 23: Hoare triple {1334#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1338#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:02,001 INFO L290 TraceCheckUtils]: 24: Hoare triple {1338#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1258#false} is VALID [2022-04-28 01:29:02,001 INFO L290 TraceCheckUtils]: 25: Hoare triple {1258#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1258#false} is VALID [2022-04-28 01:29:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-28 01:29:02,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:20,587 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (* (- 6) c_main_~y~0 c_main_~y~0 c_main_~y~0)) (.cse2 (* (- 13) c_main_~y~0 c_main_~y~0)) (.cse3 (* (- 1) c_main_~y~0 c_main_~y~0 c_main_~y~0 c_main_~y~0))) (or (forall ((main_~k~0 Int)) (or (< (+ c_main_~c~0 1) main_~k~0) (not (< c_main_~c~0 main_~k~0)) (let ((.cse0 (+ c_main_~y~0 1))) (= (* .cse0 .cse0) (* main_~k~0 .cse0))))) (not (= (mod (+ .cse1 .cse2 .cse3) 4) 0)) (not (<= (div (+ .cse1 .cse2 .cse3 (- 4)) (- 4)) (+ (* c_main_~y~0 c_main_~y~0 c_main_~y~0) c_main_~x~0 1 (* 3 (* c_main_~y~0 c_main_~y~0))))))) is different from false [2022-04-28 01:29:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:22,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267691624] [2022-04-28 01:29:22,715 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:22,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939936430] [2022-04-28 01:29:22,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939936430] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 01:29:22,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:29:22,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-28 01:29:22,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362459891] [2022-04-28 01:29:22,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-28 01:29:22,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:22,717 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:29:22,743 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:22,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 01:29:22,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:22,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 01:29:22,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=140, Unknown=1, NotChecked=24, Total=210 [2022-04-28 01:29:22,744 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:29:23,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:23,084 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2022-04-28 01:29:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 01:29:23,085 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2022-04-28 01:29:23,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:29:23,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2022-04-28 01:29:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:29:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 34 transitions. [2022-04-28 01:29:23,088 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 34 transitions. [2022-04-28 01:29:23,122 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:23,123 INFO L225 Difference]: With dead ends: 50 [2022-04-28 01:29:23,124 INFO L226 Difference]: Without dead ends: 45 [2022-04-28 01:29:23,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=209, Unknown=1, NotChecked=30, Total=306 [2022-04-28 01:29:23,127 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:23,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 112 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:29:23,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-28 01:29:23,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-28 01:29:23,165 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:23,167 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:23,167 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:23,167 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:23,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:23,170 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-28 01:29:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-28 01:29:23,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:23,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:23,171 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-28 01:29:23,171 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-28 01:29:23,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:23,178 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-04-28 01:29:23,178 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-28 01:29:23,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:23,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:23,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:23,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2022-04-28 01:29:23,183 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 26 [2022-04-28 01:29:23,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:23,184 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2022-04-28 01:29:23,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 01:29:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-04-28 01:29:23,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-28 01:29:23,185 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:23,185 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:23,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:23,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:23,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:23,408 INFO L85 PathProgramCache]: Analyzing trace with hash 31133987, now seen corresponding path program 2 times [2022-04-28 01:29:23,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:23,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674005197] [2022-04-28 01:29:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:23,422 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:23,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216182630] [2022-04-28 01:29:23,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 01:29:23,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:23,426 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) [2022-04-28 01:29:23,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 01:29:23,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 01:29:23,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 01:29:23,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-28 01:29:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:23,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:23,808 INFO L272 TraceCheckUtils]: 0: Hoare triple {1622#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,809 INFO L290 TraceCheckUtils]: 1: Hoare triple {1622#true} [62] 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] {1622#true} is VALID [2022-04-28 01:29:23,809 INFO L290 TraceCheckUtils]: 2: Hoare triple {1622#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,809 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1622#true} {1622#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,809 INFO L272 TraceCheckUtils]: 4: Hoare triple {1622#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,810 INFO L290 TraceCheckUtils]: 5: Hoare triple {1622#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:23,810 INFO L290 TraceCheckUtils]: 6: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:23,811 INFO L290 TraceCheckUtils]: 7: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:23,811 INFO L272 TraceCheckUtils]: 8: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-28 01:29:23,811 INFO L290 TraceCheckUtils]: 9: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-28 01:29:23,811 INFO L290 TraceCheckUtils]: 10: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= 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[] {1622#true} is VALID [2022-04-28 01:29:23,812 INFO L290 TraceCheckUtils]: 11: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,812 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {1622#true} {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1642#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:23,814 INFO L290 TraceCheckUtils]: 13: Hoare triple {1642#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-28 01:29:23,814 INFO L290 TraceCheckUtils]: 14: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-28 01:29:23,815 INFO L290 TraceCheckUtils]: 15: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-28 01:29:23,815 INFO L272 TraceCheckUtils]: 16: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-28 01:29:23,815 INFO L290 TraceCheckUtils]: 17: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-28 01:29:23,815 INFO L290 TraceCheckUtils]: 18: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= 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[] {1622#true} is VALID [2022-04-28 01:29:23,815 INFO L290 TraceCheckUtils]: 19: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,816 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {1622#true} {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} is VALID [2022-04-28 01:29:23,817 INFO L290 TraceCheckUtils]: 21: Hoare triple {1667#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-28 01:29:23,817 INFO L290 TraceCheckUtils]: 22: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-28 01:29:23,817 INFO L290 TraceCheckUtils]: 23: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-28 01:29:23,818 INFO L272 TraceCheckUtils]: 24: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1622#true} is VALID [2022-04-28 01:29:23,819 INFO L290 TraceCheckUtils]: 25: Hoare triple {1622#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1622#true} is VALID [2022-04-28 01:29:23,819 INFO L290 TraceCheckUtils]: 26: Hoare triple {1622#true} [76] L10-->L10-2: Formula: (not (= 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[] {1622#true} is VALID [2022-04-28 01:29:23,819 INFO L290 TraceCheckUtils]: 27: Hoare triple {1622#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1622#true} is VALID [2022-04-28 01:29:23,820 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1622#true} {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} is VALID [2022-04-28 01:29:23,820 INFO L290 TraceCheckUtils]: 29: Hoare triple {1692#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~c~0 2))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {1717#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} is VALID [2022-04-28 01:29:23,821 INFO L272 TraceCheckUtils]: 30: Hoare triple {1717#(and (< 1 main_~k~0) (= (+ (- 2) main_~y~0) 0) (<= main_~k~0 2))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {1721#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:23,821 INFO L290 TraceCheckUtils]: 31: Hoare triple {1721#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1725#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:23,822 INFO L290 TraceCheckUtils]: 32: Hoare triple {1725#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {1623#false} is VALID [2022-04-28 01:29:23,822 INFO L290 TraceCheckUtils]: 33: Hoare triple {1623#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1623#false} is VALID [2022-04-28 01:29:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-28 01:29:23,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:24,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:24,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674005197] [2022-04-28 01:29:24,119 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:24,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216182630] [2022-04-28 01:29:24,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216182630] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 01:29:24,119 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:29:24,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-04-28 01:29:24,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397318918] [2022-04-28 01:29:24,120 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:24,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-28 01:29:24,121 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:24,121 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:29:24,147 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:24,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 01:29:24,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 01:29:24,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-04-28 01:29:24,148 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:29:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:24,401 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2022-04-28 01:29:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 01:29:24,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-04-28 01:29:24,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:29:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-04-28 01:29:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:29:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 39 transitions. [2022-04-28 01:29:24,404 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 39 transitions. [2022-04-28 01:29:24,432 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:24,434 INFO L225 Difference]: With dead ends: 50 [2022-04-28 01:29:24,434 INFO L226 Difference]: Without dead ends: 45 [2022-04-28 01:29:24,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-04-28 01:29:24,435 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:24,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 132 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:29:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-28 01:29:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-28 01:29:24,465 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:24,465 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:24,465 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:24,466 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:24,467 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-28 01:29:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-28 01:29:24,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:24,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:24,467 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-28 01:29:24,468 INFO L87 Difference]: Start difference. First operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 45 states. [2022-04-28 01:29:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:24,469 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2022-04-28 01:29:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-28 01:29:24,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:24,469 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:24,470 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:24,470 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 7 states have call successors, (7), 7 states have call predecessors, (7), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2022-04-28 01:29:24,471 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 34 [2022-04-28 01:29:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:24,472 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2022-04-28 01:29:24,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 5 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:29:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2022-04-28 01:29:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-28 01:29:24,472 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:24,473 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:24,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:24,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:24,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1474833412, now seen corresponding path program 3 times [2022-04-28 01:29:24,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:24,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983732473] [2022-04-28 01:29:24,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:24,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:24,709 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:24,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536807566] [2022-04-28 01:29:24,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-28 01:29:24,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:24,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:24,711 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) [2022-04-28 01:29:24,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 01:29:24,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-04-28 01:29:24,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 01:29:24,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 20 conjunts are in the unsatisfiable core [2022-04-28 01:29:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:24,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:25,134 INFO L272 TraceCheckUtils]: 0: Hoare triple {2005#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,135 INFO L290 TraceCheckUtils]: 1: Hoare triple {2005#true} [62] 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] {2005#true} is VALID [2022-04-28 01:29:25,135 INFO L290 TraceCheckUtils]: 2: Hoare triple {2005#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,135 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2005#true} {2005#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,135 INFO L272 TraceCheckUtils]: 4: Hoare triple {2005#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,137 INFO L290 TraceCheckUtils]: 5: Hoare triple {2005#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:25,138 INFO L290 TraceCheckUtils]: 6: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:25,138 INFO L290 TraceCheckUtils]: 7: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:25,138 INFO L272 TraceCheckUtils]: 8: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-28 01:29:25,138 INFO L290 TraceCheckUtils]: 9: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-28 01:29:25,139 INFO L290 TraceCheckUtils]: 10: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= 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[] {2005#true} is VALID [2022-04-28 01:29:25,139 INFO L290 TraceCheckUtils]: 11: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,139 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2005#true} {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2025#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:25,140 INFO L290 TraceCheckUtils]: 13: Hoare triple {2025#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-28 01:29:25,140 INFO L290 TraceCheckUtils]: 14: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-28 01:29:25,141 INFO L290 TraceCheckUtils]: 15: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-28 01:29:25,141 INFO L272 TraceCheckUtils]: 16: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-28 01:29:25,141 INFO L290 TraceCheckUtils]: 17: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-28 01:29:25,141 INFO L290 TraceCheckUtils]: 18: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= 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[] {2005#true} is VALID [2022-04-28 01:29:25,141 INFO L290 TraceCheckUtils]: 19: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,142 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2005#true} {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} is VALID [2022-04-28 01:29:25,145 INFO L290 TraceCheckUtils]: 21: Hoare triple {2050#(and (= (+ (- 1) main_~c~0) 0) (= main_~y~0 1))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-28 01:29:25,146 INFO L290 TraceCheckUtils]: 22: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-28 01:29:25,146 INFO L290 TraceCheckUtils]: 23: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-28 01:29:25,147 INFO L272 TraceCheckUtils]: 24: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-28 01:29:25,147 INFO L290 TraceCheckUtils]: 25: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-28 01:29:25,147 INFO L290 TraceCheckUtils]: 26: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= 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[] {2005#true} is VALID [2022-04-28 01:29:25,147 INFO L290 TraceCheckUtils]: 27: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,148 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2005#true} {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} is VALID [2022-04-28 01:29:25,148 INFO L290 TraceCheckUtils]: 29: Hoare triple {2075#(and (= (+ (- 1) main_~y~0) 1) (= 0 (+ (- 2) main_~c~0)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-28 01:29:25,149 INFO L290 TraceCheckUtils]: 30: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-28 01:29:25,149 INFO L290 TraceCheckUtils]: 31: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-28 01:29:25,149 INFO L272 TraceCheckUtils]: 32: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2005#true} is VALID [2022-04-28 01:29:25,149 INFO L290 TraceCheckUtils]: 33: Hoare triple {2005#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2005#true} is VALID [2022-04-28 01:29:25,150 INFO L290 TraceCheckUtils]: 34: Hoare triple {2005#true} [76] L10-->L10-2: Formula: (not (= 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[] {2005#true} is VALID [2022-04-28 01:29:25,150 INFO L290 TraceCheckUtils]: 35: Hoare triple {2005#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2005#true} is VALID [2022-04-28 01:29:25,150 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2005#true} {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} is VALID [2022-04-28 01:29:25,151 INFO L290 TraceCheckUtils]: 37: Hoare triple {2100#(and (<= main_~c~0 3) (= main_~y~0 3) (< 2 main_~k~0))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {2125#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} is VALID [2022-04-28 01:29:25,152 INFO L272 TraceCheckUtils]: 38: Hoare triple {2125#(and (= main_~y~0 3) (<= main_~k~0 3) (< 2 main_~k~0))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2129#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:25,152 INFO L290 TraceCheckUtils]: 39: Hoare triple {2129#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2133#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:25,152 INFO L290 TraceCheckUtils]: 40: Hoare triple {2133#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2006#false} is VALID [2022-04-28 01:29:25,153 INFO L290 TraceCheckUtils]: 41: Hoare triple {2006#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2006#false} is VALID [2022-04-28 01:29:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-28 01:29:25,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:25,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:25,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983732473] [2022-04-28 01:29:25,442 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:25,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536807566] [2022-04-28 01:29:25,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536807566] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 01:29:25,443 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:29:25,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-04-28 01:29:25,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366077233] [2022-04-28 01:29:25,443 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:25,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-28 01:29:25,444 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:25,444 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:25,470 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:25,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-28 01:29:25,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-28 01:29:25,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-28 01:29:25,471 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:25,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:25,838 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2022-04-28 01:29:25,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 01:29:25,838 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2022-04-28 01:29:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2022-04-28 01:29:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 44 transitions. [2022-04-28 01:29:25,841 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 44 transitions. [2022-04-28 01:29:25,875 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:25,876 INFO L225 Difference]: With dead ends: 52 [2022-04-28 01:29:25,876 INFO L226 Difference]: Without dead ends: 47 [2022-04-28 01:29:25,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-04-28 01:29:25,877 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:25,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 168 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:29:25,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-28 01:29:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-04-28 01:29:25,907 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:25,907 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:25,907 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:25,910 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:25,912 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-28 01:29:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-28 01:29:25,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:25,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:25,912 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-28 01:29:25,913 INFO L87 Difference]: Start difference. First operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 47 states. [2022-04-28 01:29:25,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:25,916 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2022-04-28 01:29:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-28 01:29:25,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:25,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:25,916 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:25,916 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.0606060606060606) internal successors, (35), 33 states have internal predecessors, (35), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2022-04-28 01:29:25,921 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 42 [2022-04-28 01:29:25,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:25,922 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2022-04-28 01:29:25,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 6 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:29:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2022-04-28 01:29:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-28 01:29:25,924 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:25,924 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:25,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:26,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:26,146 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:26,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash 831591399, now seen corresponding path program 2 times [2022-04-28 01:29:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:26,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209602485] [2022-04-28 01:29:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:26,161 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:26,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747363030] [2022-04-28 01:29:26,162 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 01:29:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:26,163 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:29:26,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-28 01:29:26,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 01:29:26,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 01:29:26,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 01:29:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:26,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:26,507 INFO L272 TraceCheckUtils]: 0: Hoare triple {2423#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {2423#true} [62] 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] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,508 INFO L290 TraceCheckUtils]: 2: Hoare triple {2431#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,509 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2431#(<= ~counter~0 0)} {2423#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,509 INFO L272 TraceCheckUtils]: 4: Hoare triple {2431#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,509 INFO L290 TraceCheckUtils]: 5: Hoare triple {2431#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,510 INFO L290 TraceCheckUtils]: 6: Hoare triple {2431#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,510 INFO L290 TraceCheckUtils]: 7: Hoare triple {2447#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,511 INFO L272 TraceCheckUtils]: 8: Hoare triple {2447#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,511 INFO L290 TraceCheckUtils]: 9: Hoare triple {2447#(<= ~counter~0 1)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {2447#(<= ~counter~0 1)} [76] L10-->L10-2: Formula: (not (= 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[] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,514 INFO L290 TraceCheckUtils]: 11: Hoare triple {2447#(<= ~counter~0 1)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,514 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2447#(<= ~counter~0 1)} {2447#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,515 INFO L290 TraceCheckUtils]: 13: Hoare triple {2447#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,515 INFO L290 TraceCheckUtils]: 14: Hoare triple {2447#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,516 INFO L290 TraceCheckUtils]: 15: Hoare triple {2472#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,516 INFO L272 TraceCheckUtils]: 16: Hoare triple {2472#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,517 INFO L290 TraceCheckUtils]: 17: Hoare triple {2472#(<= ~counter~0 2)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,517 INFO L290 TraceCheckUtils]: 18: Hoare triple {2472#(<= ~counter~0 2)} [76] L10-->L10-2: Formula: (not (= 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[] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,517 INFO L290 TraceCheckUtils]: 19: Hoare triple {2472#(<= ~counter~0 2)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,518 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2472#(<= ~counter~0 2)} {2472#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,518 INFO L290 TraceCheckUtils]: 21: Hoare triple {2472#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,519 INFO L290 TraceCheckUtils]: 22: Hoare triple {2472#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,519 INFO L290 TraceCheckUtils]: 23: Hoare triple {2497#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,520 INFO L272 TraceCheckUtils]: 24: Hoare triple {2497#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,520 INFO L290 TraceCheckUtils]: 25: Hoare triple {2497#(<= ~counter~0 3)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,521 INFO L290 TraceCheckUtils]: 26: Hoare triple {2497#(<= ~counter~0 3)} [76] L10-->L10-2: Formula: (not (= 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[] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,522 INFO L290 TraceCheckUtils]: 27: Hoare triple {2497#(<= ~counter~0 3)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,524 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2497#(<= ~counter~0 3)} {2497#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,525 INFO L290 TraceCheckUtils]: 29: Hoare triple {2497#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,527 INFO L290 TraceCheckUtils]: 30: Hoare triple {2497#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,527 INFO L290 TraceCheckUtils]: 31: Hoare triple {2522#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,527 INFO L272 TraceCheckUtils]: 32: Hoare triple {2522#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,528 INFO L290 TraceCheckUtils]: 33: Hoare triple {2522#(<= ~counter~0 4)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,528 INFO L290 TraceCheckUtils]: 34: Hoare triple {2522#(<= ~counter~0 4)} [76] L10-->L10-2: Formula: (not (= 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[] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,531 INFO L290 TraceCheckUtils]: 35: Hoare triple {2522#(<= ~counter~0 4)} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,532 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2522#(<= ~counter~0 4)} {2522#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,533 INFO L290 TraceCheckUtils]: 37: Hoare triple {2522#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,533 INFO L290 TraceCheckUtils]: 38: Hoare triple {2522#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2547#(<= |main_#t~post5| 4)} is VALID [2022-04-28 01:29:26,533 INFO L290 TraceCheckUtils]: 39: Hoare triple {2547#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2424#false} is VALID [2022-04-28 01:29:26,534 INFO L272 TraceCheckUtils]: 40: Hoare triple {2424#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2424#false} is VALID [2022-04-28 01:29:26,534 INFO L290 TraceCheckUtils]: 41: Hoare triple {2424#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2424#false} is VALID [2022-04-28 01:29:26,534 INFO L290 TraceCheckUtils]: 42: Hoare triple {2424#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-28 01:29:26,534 INFO L290 TraceCheckUtils]: 43: Hoare triple {2424#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-28 01:29:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:29:26,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:26,777 INFO L290 TraceCheckUtils]: 43: Hoare triple {2424#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-28 01:29:26,778 INFO L290 TraceCheckUtils]: 42: Hoare triple {2424#false} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2424#false} is VALID [2022-04-28 01:29:26,778 INFO L290 TraceCheckUtils]: 41: Hoare triple {2424#false} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2424#false} is VALID [2022-04-28 01:29:26,778 INFO L272 TraceCheckUtils]: 40: Hoare triple {2424#false} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {2424#false} is VALID [2022-04-28 01:29:26,779 INFO L290 TraceCheckUtils]: 39: Hoare triple {2547#(<= |main_#t~post5| 4)} [69] L27-1-->L27-4: Formula: (not (< |v_main_#t~post5_2| 5)) InVars {main_#t~post5=|v_main_#t~post5_2|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2424#false} is VALID [2022-04-28 01:29:26,779 INFO L290 TraceCheckUtils]: 38: Hoare triple {2522#(<= ~counter~0 4)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2547#(<= |main_#t~post5| 4)} is VALID [2022-04-28 01:29:26,779 INFO L290 TraceCheckUtils]: 37: Hoare triple {2522#(<= ~counter~0 4)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,780 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2423#true} {2522#(<= ~counter~0 4)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,780 INFO L290 TraceCheckUtils]: 35: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,780 INFO L290 TraceCheckUtils]: 34: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= 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[] {2423#true} is VALID [2022-04-28 01:29:26,780 INFO L290 TraceCheckUtils]: 33: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-28 01:29:26,781 INFO L272 TraceCheckUtils]: 32: Hoare triple {2522#(<= ~counter~0 4)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-28 01:29:26,781 INFO L290 TraceCheckUtils]: 31: Hoare triple {2522#(<= ~counter~0 4)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,782 INFO L290 TraceCheckUtils]: 30: Hoare triple {2497#(<= ~counter~0 3)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2522#(<= ~counter~0 4)} is VALID [2022-04-28 01:29:26,782 INFO L290 TraceCheckUtils]: 29: Hoare triple {2497#(<= ~counter~0 3)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,783 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2423#true} {2497#(<= ~counter~0 3)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,783 INFO L290 TraceCheckUtils]: 27: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,783 INFO L290 TraceCheckUtils]: 26: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= 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[] {2423#true} is VALID [2022-04-28 01:29:26,784 INFO L290 TraceCheckUtils]: 25: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-28 01:29:26,784 INFO L272 TraceCheckUtils]: 24: Hoare triple {2497#(<= ~counter~0 3)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-28 01:29:26,784 INFO L290 TraceCheckUtils]: 23: Hoare triple {2497#(<= ~counter~0 3)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,785 INFO L290 TraceCheckUtils]: 22: Hoare triple {2472#(<= ~counter~0 2)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2497#(<= ~counter~0 3)} is VALID [2022-04-28 01:29:26,785 INFO L290 TraceCheckUtils]: 21: Hoare triple {2472#(<= ~counter~0 2)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,786 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2423#true} {2472#(<= ~counter~0 2)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,786 INFO L290 TraceCheckUtils]: 19: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,786 INFO L290 TraceCheckUtils]: 18: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= 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[] {2423#true} is VALID [2022-04-28 01:29:26,786 INFO L290 TraceCheckUtils]: 17: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-28 01:29:26,786 INFO L272 TraceCheckUtils]: 16: Hoare triple {2472#(<= ~counter~0 2)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-28 01:29:26,786 INFO L290 TraceCheckUtils]: 15: Hoare triple {2472#(<= ~counter~0 2)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,787 INFO L290 TraceCheckUtils]: 14: Hoare triple {2447#(<= ~counter~0 1)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2472#(<= ~counter~0 2)} is VALID [2022-04-28 01:29:26,787 INFO L290 TraceCheckUtils]: 13: Hoare triple {2447#(<= ~counter~0 1)} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,788 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2423#true} {2447#(<= ~counter~0 1)} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,788 INFO L290 TraceCheckUtils]: 11: Hoare triple {2423#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,788 INFO L290 TraceCheckUtils]: 10: Hoare triple {2423#true} [76] L10-->L10-2: Formula: (not (= 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[] {2423#true} is VALID [2022-04-28 01:29:26,788 INFO L290 TraceCheckUtils]: 9: Hoare triple {2423#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2423#true} is VALID [2022-04-28 01:29:26,789 INFO L272 TraceCheckUtils]: 8: Hoare triple {2447#(<= ~counter~0 1)} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2423#true} is VALID [2022-04-28 01:29:26,789 INFO L290 TraceCheckUtils]: 7: Hoare triple {2447#(<= ~counter~0 1)} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,790 INFO L290 TraceCheckUtils]: 6: Hoare triple {2431#(<= ~counter~0 0)} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2447#(<= ~counter~0 1)} is VALID [2022-04-28 01:29:26,790 INFO L290 TraceCheckUtils]: 5: Hoare triple {2431#(<= ~counter~0 0)} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,790 INFO L272 TraceCheckUtils]: 4: Hoare triple {2431#(<= ~counter~0 0)} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,791 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2431#(<= ~counter~0 0)} {2423#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,792 INFO L290 TraceCheckUtils]: 2: Hoare triple {2431#(<= ~counter~0 0)} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,793 INFO L290 TraceCheckUtils]: 1: Hoare triple {2423#true} [62] 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] {2431#(<= ~counter~0 0)} is VALID [2022-04-28 01:29:26,793 INFO L272 TraceCheckUtils]: 0: Hoare triple {2423#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2423#true} is VALID [2022-04-28 01:29:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-28 01:29:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:26,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209602485] [2022-04-28 01:29:26,795 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:26,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747363030] [2022-04-28 01:29:26,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747363030] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:29:26,795 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:29:26,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-04-28 01:29:26,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530599534] [2022-04-28 01:29:26,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:26,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-28 01:29:26,799 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:26,806 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-28 01:29:26,848 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:26,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 01:29:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 01:29:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-04-28 01:29:26,850 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-28 01:29:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:26,992 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2022-04-28 01:29:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-28 01:29:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2022-04-28 01:29:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-28 01:29:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 58 transitions. [2022-04-28 01:29:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-28 01:29:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 58 transitions. [2022-04-28 01:29:26,996 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 58 transitions. [2022-04-28 01:29:27,039 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:27,040 INFO L225 Difference]: With dead ends: 58 [2022-04-28 01:29:27,040 INFO L226 Difference]: Without dead ends: 53 [2022-04-28 01:29:27,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-04-28 01:29:27,041 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:27,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 83 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:29:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-28 01:29:27,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-04-28 01:29:27,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:27,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:27,069 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:27,069 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:27,070 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-28 01:29:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-28 01:29:27,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:27,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:27,071 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-28 01:29:27,071 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-28 01:29:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:27,073 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2022-04-28 01:29:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-28 01:29:27,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:27,073 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:27,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:27,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 8 states have call predecessors, (8), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2022-04-28 01:29:27,075 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 44 [2022-04-28 01:29:27,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:27,075 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2022-04-28 01:29:27,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 7 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2022-04-28 01:29:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2022-04-28 01:29:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-28 01:29:27,076 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:27,076 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:27,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:27,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-28 01:29:27,298 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:27,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:27,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1805593115, now seen corresponding path program 4 times [2022-04-28 01:29:27,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:27,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291393688] [2022-04-28 01:29:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:27,311 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:27,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709481417] [2022-04-28 01:29:27,311 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 01:29:27,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:27,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:27,312 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:29:27,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-28 01:29:27,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 01:29:27,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 01:29:27,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-28 01:29:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:29:27,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:29:27,853 INFO L272 TraceCheckUtils]: 0: Hoare triple {2965#true} [60] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,853 INFO L290 TraceCheckUtils]: 1: Hoare triple {2965#true} [62] 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] {2965#true} is VALID [2022-04-28 01:29:27,854 INFO L290 TraceCheckUtils]: 2: Hoare triple {2965#true} [65] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,854 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2965#true} {2965#true} [83] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,854 INFO L272 TraceCheckUtils]: 4: Hoare triple {2965#true} [61] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,854 INFO L290 TraceCheckUtils]: 5: Hoare triple {2965#true} [64] mainENTRY-->L27-3: Formula: (and (= v_main_~c~0_2 0) (<= |v_main_#t~nondet4_2| 32767) (<= 0 (+ |v_main_#t~nondet4_2| 32768)) (= v_main_~k~0_2 |v_main_#t~nondet4_2|) (= v_main_~x~0_2 0) (= v_main_~y~0_2 0)) InVars {main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~c~0=v_main_~c~0_2, main_~y~0=v_main_~y~0_2, 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] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:27,855 INFO L290 TraceCheckUtils]: 6: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:27,855 INFO L290 TraceCheckUtils]: 7: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:27,855 INFO L272 TraceCheckUtils]: 8: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-28 01:29:27,856 INFO L290 TraceCheckUtils]: 9: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-28 01:29:27,856 INFO L290 TraceCheckUtils]: 10: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= 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[] {2965#true} is VALID [2022-04-28 01:29:27,856 INFO L290 TraceCheckUtils]: 11: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,857 INFO L284 TraceCheckUtils]: 12: Hoare quadruple {2965#true} {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2985#(and (= main_~c~0 0) (= main_~y~0 0))} is VALID [2022-04-28 01:29:27,857 INFO L290 TraceCheckUtils]: 13: Hoare triple {2985#(and (= main_~c~0 0) (= main_~y~0 0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-28 01:29:27,858 INFO L290 TraceCheckUtils]: 14: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-28 01:29:27,858 INFO L290 TraceCheckUtils]: 15: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-28 01:29:27,858 INFO L272 TraceCheckUtils]: 16: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-28 01:29:27,858 INFO L290 TraceCheckUtils]: 17: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-28 01:29:27,859 INFO L290 TraceCheckUtils]: 18: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= 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[] {2965#true} is VALID [2022-04-28 01:29:27,859 INFO L290 TraceCheckUtils]: 19: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,859 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {2965#true} {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} is VALID [2022-04-28 01:29:27,860 INFO L290 TraceCheckUtils]: 21: Hoare triple {3010#(and (= (+ (- 1) main_~y~0) 0) (= (+ (- 1) main_~c~0) 0) (< main_~c~0 (+ main_~k~0 1)))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,861 INFO L290 TraceCheckUtils]: 22: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,861 INFO L290 TraceCheckUtils]: 23: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,861 INFO L272 TraceCheckUtils]: 24: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-28 01:29:27,861 INFO L290 TraceCheckUtils]: 25: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-28 01:29:27,862 INFO L290 TraceCheckUtils]: 26: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= 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[] {2965#true} is VALID [2022-04-28 01:29:27,862 INFO L290 TraceCheckUtils]: 27: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,862 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2965#true} {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,876 INFO L290 TraceCheckUtils]: 29: Hoare triple {3035#(and (= (+ (- 2) main_~y~0) 0) (= main_~c~0 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,877 INFO L290 TraceCheckUtils]: 30: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,877 INFO L290 TraceCheckUtils]: 31: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,878 INFO L272 TraceCheckUtils]: 32: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-28 01:29:27,878 INFO L290 TraceCheckUtils]: 33: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-28 01:29:27,878 INFO L290 TraceCheckUtils]: 34: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= 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[] {2965#true} is VALID [2022-04-28 01:29:27,878 INFO L290 TraceCheckUtils]: 35: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,884 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2965#true} {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} is VALID [2022-04-28 01:29:27,884 INFO L290 TraceCheckUtils]: 37: Hoare triple {3060#(and (= main_~y~0 3) (= (+ (- 1) main_~c~0) 2) (< 0 main_~k~0))} [78] L28-1-->L27-3: Formula: (and (= v_main_~y~0_5 (+ v_main_~y~0_6 1)) (= v_main_~x~0_5 (+ v_main_~x~0_6 (* v_main_~y~0_5 (* v_main_~y~0_5 v_main_~y~0_5)))) (< v_main_~c~0_6 v_main_~k~0_5) (= (+ v_main_~c~0_6 1) v_main_~c~0_5)) InVars {main_~y~0=v_main_~y~0_6, main_~c~0=v_main_~c~0_6, main_~x~0=v_main_~x~0_6, main_~k~0=v_main_~k~0_5} OutVars{main_~y~0=v_main_~y~0_5, main_~c~0=v_main_~c~0_5, main_~x~0=v_main_~x~0_5, main_~k~0=v_main_~k~0_5} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_~c~0] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-28 01:29:27,885 INFO L290 TraceCheckUtils]: 38: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [67] L27-3-->L27-1: Formula: (and (= v_~counter~0_1 (+ |v_main_#t~post5_5| 1)) (= |v_main_#t~post5_5| v_~counter~0_2)) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post5=|v_main_#t~post5_5|} AuxVars[] AssignedVars[~counter~0, main_#t~post5] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-28 01:29:27,885 INFO L290 TraceCheckUtils]: 39: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [70] L27-1-->L28: Formula: (< |v_main_#t~post5_4| 5) InVars {main_#t~post5=|v_main_#t~post5_4|} OutVars{} AuxVars[] AssignedVars[main_#t~post5] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-28 01:29:27,885 INFO L272 TraceCheckUtils]: 40: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [73] L28-->__VERIFIER_assertENTRY: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2965#true} is VALID [2022-04-28 01:29:27,885 INFO L290 TraceCheckUtils]: 41: Hoare triple {2965#true} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2965#true} is VALID [2022-04-28 01:29:27,885 INFO L290 TraceCheckUtils]: 42: Hoare triple {2965#true} [76] L10-->L10-2: Formula: (not (= 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[] {2965#true} is VALID [2022-04-28 01:29:27,886 INFO L290 TraceCheckUtils]: 43: Hoare triple {2965#true} [82] L10-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2965#true} is VALID [2022-04-28 01:29:27,886 INFO L284 TraceCheckUtils]: 44: Hoare quadruple {2965#true} {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [85] __VERIFIER_assertEXIT-->L28-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= 0 (let ((.cse0 (* v_main_~y~0_9 v_main_~y~0_9))) (+ (* (- 1) (* (* (* v_main_~y~0_9 2) v_main_~y~0_9) v_main_~y~0_9)) (* v_main_~x~0_8 4) (* (- 1) (* v_main_~y~0_9 (* v_main_~y~0_9 .cse0))) (* (- 1) .cse0)))) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) 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_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} is VALID [2022-04-28 01:29:27,887 INFO L290 TraceCheckUtils]: 45: Hoare triple {3085#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~c~0 4))} [77] L28-1-->L27-4: Formula: (not (< v_main_~c~0_1 v_main_~k~0_1)) InVars {main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} OutVars{main_~c~0=v_main_~c~0_1, main_~k~0=v_main_~k~0_1} AuxVars[] AssignedVars[] {3110#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} is VALID [2022-04-28 01:29:27,887 INFO L272 TraceCheckUtils]: 46: Hoare triple {3110#(and (= main_~y~0 4) (< 3 main_~k~0) (<= main_~k~0 4))} [68] L27-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (+ (* v_main_~y~0_10 v_main_~k~0_7) (* (- 1) (* v_main_~y~0_10 v_main_~y~0_10))) 0) 1 0)) InVars {main_~y~0=v_main_~y~0_10, main_~k~0=v_main_~k~0_7} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~k~0, main_~y~0] {3114#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:29:27,888 INFO L290 TraceCheckUtils]: 47: Hoare triple {3114#(<= 1 |__VERIFIER_assert_#in~cond|)} [72] __VERIFIER_assertENTRY-->L10: Formula: (= v___VERIFIER_assert_~cond_1 |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_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3118#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:29:27,888 INFO L290 TraceCheckUtils]: 48: Hoare triple {3118#(<= 1 __VERIFIER_assert_~cond)} [75] L10-->L11: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {2966#false} is VALID [2022-04-28 01:29:27,888 INFO L290 TraceCheckUtils]: 49: Hoare triple {2966#false} [80] L11-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2966#false} is VALID [2022-04-28 01:29:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-28 01:29:27,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:29:28,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:29:28,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291393688] [2022-04-28 01:29:28,500 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:29:28,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709481417] [2022-04-28 01:29:28,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709481417] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 01:29:28,500 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:29:28,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-04-28 01:29:28,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739283138] [2022-04-28 01:29:28,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-28 01:29:28,501 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-28 01:29:28,501 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:29:28,501 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:28,537 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:28,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 01:29:28,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:29:28,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 01:29:28,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-04-28 01:29:28,538 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:28,970 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2022-04-28 01:29:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 01:29:28,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 50 [2022-04-28 01:29:28,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:29:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2022-04-28 01:29:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 49 transitions. [2022-04-28 01:29:28,979 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 49 transitions. [2022-04-28 01:29:29,027 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:29:29,029 INFO L225 Difference]: With dead ends: 60 [2022-04-28 01:29:29,029 INFO L226 Difference]: Without dead ends: 55 [2022-04-28 01:29:29,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-04-28 01:29:29,030 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:29:29,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 208 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:29:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-28 01:29:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-04-28 01:29:29,070 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:29:29,070 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-28 01:29:29,070 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-28 01:29:29,071 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-28 01:29:29,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:29,072 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-28 01:29:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-28 01:29:29,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:29,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:29,073 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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 55 states. [2022-04-28 01:29:29,073 INFO L87 Difference]: Start difference. First operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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 55 states. [2022-04-28 01:29:29,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:29:29,074 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-04-28 01:29:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-28 01:29:29,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:29:29,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:29:29,074 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:29:29,074 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:29:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-04-28 01:29:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2022-04-28 01:29:29,076 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 50 [2022-04-28 01:29:29,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:29:29,076 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2022-04-28 01:29:29,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 7 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:29:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-04-28 01:29:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-28 01:29:29,077 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:29:29,077 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:29:29,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:29,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-28 01:29:29,295 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:29:29,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:29:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash 847694216, now seen corresponding path program 3 times [2022-04-28 01:29:29,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:29:29,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408560523] [2022-04-28 01:29:29,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:29:29,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:29:29,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:29:29,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716917029] [2022-04-28 01:29:29,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-28 01:29:29,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:29:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:29:29,308 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:29:29,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-28 01:29:29,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-04-28 01:29:29,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-04-28 01:29:29,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-28 01:29:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-28 01:29:29,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-28 01:29:29,466 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-28 01:29:29,467 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-28 01:29:29,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-28 01:29:29,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-04-28 01:29:29,671 INFO L356 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2022-04-28 01:29:29,674 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-28 01:29:29,701 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L27-4 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L10-2 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-28 01:29:29,702 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-28 01:29:29,703 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-28 01:29:29,703 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-28 01:29:29,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 01:29:29 BasicIcfg [2022-04-28 01:29:29,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-28 01:29:29,704 INFO L158 Benchmark]: Toolchain (without parser) took 32652.23ms. Allocated memory was 192.9MB in the beginning and 269.5MB in the end (delta: 76.5MB). Free memory was 141.9MB in the beginning and 124.7MB in the end (delta: 17.2MB). Peak memory consumption was 94.6MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,705 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 75.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-28 01:29:29,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.23ms. Allocated memory is still 192.9MB. Free memory was 141.7MB in the beginning and 168.8MB in the end (delta: -27.1MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,705 INFO L158 Benchmark]: Boogie Preprocessor took 38.67ms. Allocated memory is still 192.9MB. Free memory was 168.8MB in the beginning and 167.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,705 INFO L158 Benchmark]: RCFGBuilder took 304.65ms. Allocated memory is still 192.9MB. Free memory was 167.3MB in the beginning and 156.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,705 INFO L158 Benchmark]: IcfgTransformer took 54.47ms. Allocated memory is still 192.9MB. Free memory was 156.3MB in the beginning and 154.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,706 INFO L158 Benchmark]: TraceAbstraction took 32003.99ms. Allocated memory was 192.9MB in the beginning and 269.5MB in the end (delta: 76.5MB). Free memory was 154.2MB in the beginning and 124.7MB in the end (delta: 29.5MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. [2022-04-28 01:29:29,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 75.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 242.23ms. Allocated memory is still 192.9MB. Free memory was 141.7MB in the beginning and 168.8MB in the end (delta: -27.1MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.67ms. Allocated memory is still 192.9MB. Free memory was 168.8MB in the beginning and 167.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 304.65ms. Allocated memory is still 192.9MB. Free memory was 167.3MB in the beginning and 156.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 54.47ms. Allocated memory is still 192.9MB. Free memory was 156.3MB in the beginning and 154.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 32003.99ms. Allocated memory was 192.9MB in the beginning and 269.5MB in the end (delta: 76.5MB). Free memory was 154.2MB in the beginning and 124.7MB in the end (delta: 29.5MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; VAL [\old(counter)=7, counter=0] [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [\old(counter)=0, c=0, counter=0, k=6, x=0, y=0] [L27] EXPR counter++ VAL [\old(counter)=0, c=0, counter=1, counter++=0, k=6, x=0, y=0] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=0, counter=1, k=6, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=1, counter=1, k=6, x=1, y=1] [L27] EXPR counter++ VAL [\old(counter)=0, c=1, counter=2, counter++=1, k=6, x=1, y=1] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=1, counter=2, k=6, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=2, counter=2, k=6, x=9, y=2] [L27] EXPR counter++ VAL [\old(counter)=0, c=2, counter=3, counter++=2, k=6, x=9, y=2] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=3] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=2, counter=3, k=6, x=9, y=2] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=3, counter=3, k=6, x=36, y=3] [L27] EXPR counter++ VAL [\old(counter)=0, c=3, counter=4, counter++=3, k=6, x=36, y=3] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=4] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=4] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=3, counter=4, k=6, x=36, y=3] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=4, counter=4, k=6, x=100, y=4] [L27] EXPR counter++ VAL [\old(counter)=0, c=4, counter=5, counter++=4, k=6, x=100, y=4] [L27] COND TRUE counter++<5 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, \old(counter)=0, counter=5] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=5] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(counter)=0, c=4, counter=5, k=6, x=100, y=4] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [\old(counter)=0, c=5, counter=5, k=6, x=225, y=5] [L27] EXPR counter++ VAL [\old(counter)=0, c=5, counter=6, counter++=5, k=6, x=225, y=5] [L27] COND FALSE !(counter++<5) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, \old(counter)=0, counter=6] [L10] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] [L12] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 990 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 758 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 536 IncrementalHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 232 mSDtfsCounter, 536 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 437 GetRequests, 343 SyntacticMatches, 7 SemanticMatches, 87 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=10, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1015 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 158/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-04-28 01:29:29,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...