/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/egcd-ll_unwindbound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 23:38:34,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 23:38:34,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 23:38:34,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 23:38:34,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 23:38:34,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 23:38:34,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 23:38:34,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 23:38:34,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 23:38:34,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 23:38:34,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 23:38:34,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 23:38:34,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 23:38:34,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 23:38:34,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 23:38:34,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 23:38:34,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 23:38:34,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 23:38:34,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 23:38:34,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 23:38:34,381 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 23:38:34,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 23:38:34,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 23:38:34,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 23:38:34,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 23:38:34,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 23:38:34,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 23:38:34,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 23:38:34,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 23:38:34,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 23:38:34,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 23:38:34,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 23:38:34,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 23:38:34,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 23:38:34,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 23:38:34,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 23:38:34,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 23:38:34,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 23:38:34,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 23:38:34,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 23:38:34,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 23:38:34,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 23:38:34,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-27 23:38:34,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 23:38:34,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 23:38:34,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 23:38:34,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 23:38:34,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 23:38:34,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 23:38:34,407 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 23:38:34,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 23:38:34,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 23:38:34,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 23:38:34,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 23:38:34,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 23:38:34,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-27 23:38:34,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-27 23:38:34,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 23:38:34,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 23:38:34,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 23:38:34,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 23:38:34,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 23:38:34,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 23:38:34,635 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 23:38:34,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/egcd-ll_unwindbound1.c [2022-04-27 23:38:34,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cce66e7/3e1744abe67d424c86de513e032628a2/FLAGb4cb81bb4 [2022-04-27 23:38:35,044 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 23:38:35,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/egcd-ll_unwindbound1.c [2022-04-27 23:38:35,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cce66e7/3e1744abe67d424c86de513e032628a2/FLAGb4cb81bb4 [2022-04-27 23:38:35,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3cce66e7/3e1744abe67d424c86de513e032628a2 [2022-04-27 23:38:35,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 23:38:35,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 23:38:35,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 23:38:35,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 23:38:35,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 23:38:35,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263a8075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35, skipping insertion in model container [2022-04-27 23:38:35,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 23:38:35,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 23:38:35,264 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/egcd-ll_unwindbound1.c[489,502] [2022-04-27 23:38:35,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 23:38:35,304 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 23:38:35,318 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/egcd-ll_unwindbound1.c[489,502] [2022-04-27 23:38:35,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 23:38:35,348 INFO L208 MainTranslator]: Completed translation [2022-04-27 23:38:35,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35 WrapperNode [2022-04-27 23:38:35,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 23:38:35,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 23:38:35,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 23:38:35,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 23:38:35,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 23:38:35,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 23:38:35,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 23:38:35,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 23:38:35,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 23:38:35,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:38:35,414 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) [2022-04-27 23:38:35,441 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 [2022-04-27 23:38:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 23:38:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 23:38:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 23:38:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 23:38:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 23:38:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 23:38:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 23:38:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 23:38:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 23:38:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 23:38:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 23:38:35,516 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 23:38:35,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 23:38:35,694 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 23:38:35,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 23:38:35,699 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 23:38:35,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 11:38:35 BoogieIcfgContainer [2022-04-27 23:38:35,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 23:38:35,701 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 23:38:35,701 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 23:38:35,711 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 23:38:35,714 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 11:38:35" (1/1) ... [2022-04-27 23:38:35,715 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-27 23:38:35,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 11:38:35 BasicIcfg [2022-04-27 23:38:35,737 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 23:38:35,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 23:38:35,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 23:38:35,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 23:38:35,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 11:38:35" (1/4) ... [2022-04-27 23:38:35,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549e766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 11:38:35, skipping insertion in model container [2022-04-27 23:38:35,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 11:38:35" (2/4) ... [2022-04-27 23:38:35,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549e766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 11:38:35, skipping insertion in model container [2022-04-27 23:38:35,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 11:38:35" (3/4) ... [2022-04-27 23:38:35,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549e766d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 11:38:35, skipping insertion in model container [2022-04-27 23:38:35,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 11:38:35" (4/4) ... [2022-04-27 23:38:35,742 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound1.cqvasr [2022-04-27 23:38:35,755 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 23:38:35,755 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 23:38:35,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 23:38:35,791 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@628326e3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51fb7ca [2022-04-27 23:38:35,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 23:38:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-27 23:38:35,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-27 23:38:35,801 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:38:35,801 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:38:35,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:38:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:38:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2051628946, now seen corresponding path program 1 times [2022-04-27 23:38:35,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:38:35,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875368576] [2022-04-27 23:38:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:35,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:38:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 23:38:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,000 INFO L290 TraceCheckUtils]: 0: Hoare triple {51#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {38#true} is VALID [2022-04-27 23:38:36,000 INFO L290 TraceCheckUtils]: 1: Hoare triple {38#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,000 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {38#true} {38#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 23:38:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,007 INFO L290 TraceCheckUtils]: 0: Hoare triple {38#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {38#true} is VALID [2022-04-27 23:38:36,007 INFO L290 TraceCheckUtils]: 1: Hoare triple {38#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,007 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,007 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#true} {38#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-27 23:38:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,013 INFO L290 TraceCheckUtils]: 0: Hoare triple {38#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {38#true} is VALID [2022-04-27 23:38:36,013 INFO L290 TraceCheckUtils]: 1: Hoare triple {38#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,013 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,013 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#true} {38#true} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,014 INFO L272 TraceCheckUtils]: 0: Hoare triple {38#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 23:38:36,015 INFO L290 TraceCheckUtils]: 1: Hoare triple {51#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {38#true} is VALID [2022-04-27 23:38:36,015 INFO L290 TraceCheckUtils]: 2: Hoare triple {38#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,015 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38#true} {38#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,015 INFO L272 TraceCheckUtils]: 4: Hoare triple {38#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,016 INFO L290 TraceCheckUtils]: 5: Hoare triple {38#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {38#true} is VALID [2022-04-27 23:38:36,016 INFO L272 TraceCheckUtils]: 6: Hoare triple {38#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,016 INFO L290 TraceCheckUtils]: 7: Hoare triple {38#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {38#true} is VALID [2022-04-27 23:38:36,016 INFO L290 TraceCheckUtils]: 8: Hoare triple {38#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,016 INFO L290 TraceCheckUtils]: 9: Hoare triple {38#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,017 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {38#true} {38#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,017 INFO L272 TraceCheckUtils]: 11: Hoare triple {38#true} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {38#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {38#true} is VALID [2022-04-27 23:38:36,017 INFO L290 TraceCheckUtils]: 13: Hoare triple {38#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,017 INFO L290 TraceCheckUtils]: 14: Hoare triple {38#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {38#true} is VALID [2022-04-27 23:38:36,018 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {38#true} {38#true} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {38#true} is VALID [2022-04-27 23:38:36,018 INFO L290 TraceCheckUtils]: 16: Hoare triple {38#true} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {38#true} is VALID [2022-04-27 23:38:36,019 INFO L290 TraceCheckUtils]: 17: Hoare triple {38#true} [97] L42-2-->L34-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {39#false} is VALID [2022-04-27 23:38:36,019 INFO L272 TraceCheckUtils]: 18: Hoare triple {39#false} [100] L34-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= (+ (* (- 1) v_main_~b~0_13) v_main_~a~0_11) 0) 1 0)) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {39#false} is VALID [2022-04-27 23:38:36,019 INFO L290 TraceCheckUtils]: 19: Hoare triple {39#false} [104] __VERIFIER_assertENTRY-->L11: 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] {39#false} is VALID [2022-04-27 23:38:36,019 INFO L290 TraceCheckUtils]: 20: Hoare triple {39#false} [107] L11-->L12: 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[] {39#false} is VALID [2022-04-27 23:38:36,019 INFO L290 TraceCheckUtils]: 21: Hoare triple {39#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {39#false} is VALID [2022-04-27 23:38:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 23:38:36,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:38:36,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875368576] [2022-04-27 23:38:36,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875368576] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 23:38:36,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 23:38:36,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 23:38:36,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554771113] [2022-04-27 23:38:36,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 23:38:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-27 23:38:36,028 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:38:36,030 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:36,058 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:36,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 23:38:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:38:36,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 23:38:36,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 23:38:36,075 INFO L87 Difference]: Start difference. First operand has 35 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 19 states have internal predecessors, (25), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:36,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,278 INFO L93 Difference]: Finished difference Result 64 states and 97 transitions. [2022-04-27 23:38:36,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 23:38:36,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-04-27 23:38:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:38:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2022-04-27 23:38:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:36,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2022-04-27 23:38:36,305 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 97 transitions. [2022-04-27 23:38:36,401 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:36,409 INFO L225 Difference]: With dead ends: 64 [2022-04-27 23:38:36,409 INFO L226 Difference]: Without dead ends: 31 [2022-04-27 23:38:36,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 23:38:36,417 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 23:38:36,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 45 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 23:38:36,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-04-27 23:38:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-04-27 23:38:36,451 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:38:36,453 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,453 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,454 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,460 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-04-27 23:38:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-04-27 23:38:36,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:36,461 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:36,462 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 31 states. [2022-04-27 23:38:36,462 INFO L87 Difference]: Start difference. First operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 31 states. [2022-04-27 23:38:36,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,470 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-04-27 23:38:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-04-27 23:38:36,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:36,471 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:36,471 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:38:36,471 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:38:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2022-04-27 23:38:36,475 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 22 [2022-04-27 23:38:36,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:38:36,475 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2022-04-27 23:38:36,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-04-27 23:38:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 23:38:36,476 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:38:36,477 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:38:36,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 23:38:36,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:38:36,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:38:36,489 INFO L85 PathProgramCache]: Analyzing trace with hash -794581502, now seen corresponding path program 1 times [2022-04-27 23:38:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:38:36,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711160442] [2022-04-27 23:38:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:38:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 23:38:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,592 INFO L290 TraceCheckUtils]: 0: Hoare triple {269#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,592 INFO L290 TraceCheckUtils]: 1: Hoare triple {259#(= ~counter~0 0)} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,593 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {259#(= ~counter~0 0)} {254#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 23:38:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,608 INFO L290 TraceCheckUtils]: 0: Hoare triple {254#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {254#true} is VALID [2022-04-27 23:38:36,608 INFO L290 TraceCheckUtils]: 1: Hoare triple {254#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,608 INFO L290 TraceCheckUtils]: 2: Hoare triple {254#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,609 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {254#true} {259#(= ~counter~0 0)} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-27 23:38:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:36,622 INFO L290 TraceCheckUtils]: 0: Hoare triple {254#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {254#true} is VALID [2022-04-27 23:38:36,623 INFO L290 TraceCheckUtils]: 1: Hoare triple {254#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,623 INFO L290 TraceCheckUtils]: 2: Hoare triple {254#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,624 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {254#true} {259#(= ~counter~0 0)} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,625 INFO L272 TraceCheckUtils]: 0: Hoare triple {254#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {269#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 23:38:36,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {269#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,626 INFO L290 TraceCheckUtils]: 2: Hoare triple {259#(= ~counter~0 0)} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,627 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {259#(= ~counter~0 0)} {254#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,630 INFO L272 TraceCheckUtils]: 4: Hoare triple {259#(= ~counter~0 0)} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,632 INFO L290 TraceCheckUtils]: 5: Hoare triple {259#(= ~counter~0 0)} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,632 INFO L272 TraceCheckUtils]: 6: Hoare triple {259#(= ~counter~0 0)} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {254#true} is VALID [2022-04-27 23:38:36,633 INFO L290 TraceCheckUtils]: 7: Hoare triple {254#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {254#true} is VALID [2022-04-27 23:38:36,633 INFO L290 TraceCheckUtils]: 8: Hoare triple {254#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,634 INFO L290 TraceCheckUtils]: 9: Hoare triple {254#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,634 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {254#true} {259#(= ~counter~0 0)} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,636 INFO L272 TraceCheckUtils]: 11: Hoare triple {259#(= ~counter~0 0)} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {254#true} is VALID [2022-04-27 23:38:36,636 INFO L290 TraceCheckUtils]: 12: Hoare triple {254#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {254#true} is VALID [2022-04-27 23:38:36,636 INFO L290 TraceCheckUtils]: 13: Hoare triple {254#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,637 INFO L290 TraceCheckUtils]: 14: Hoare triple {254#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {254#true} is VALID [2022-04-27 23:38:36,637 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {254#true} {259#(= ~counter~0 0)} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,638 INFO L290 TraceCheckUtils]: 16: Hoare triple {259#(= ~counter~0 0)} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {259#(= ~counter~0 0)} is VALID [2022-04-27 23:38:36,639 INFO L290 TraceCheckUtils]: 17: Hoare triple {259#(= ~counter~0 0)} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {268#(= |main_#t~post6| 0)} is VALID [2022-04-27 23:38:36,639 INFO L290 TraceCheckUtils]: 18: Hoare triple {268#(= |main_#t~post6| 0)} [101] L34-1-->L34-3: Formula: (not (< |v_main_#t~post6_3| 1)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {255#false} is VALID [2022-04-27 23:38:36,640 INFO L272 TraceCheckUtils]: 19: Hoare triple {255#false} [100] L34-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= (+ (* (- 1) v_main_~b~0_13) v_main_~a~0_11) 0) 1 0)) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {255#false} is VALID [2022-04-27 23:38:36,640 INFO L290 TraceCheckUtils]: 20: Hoare triple {255#false} [104] __VERIFIER_assertENTRY-->L11: 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] {255#false} is VALID [2022-04-27 23:38:36,640 INFO L290 TraceCheckUtils]: 21: Hoare triple {255#false} [107] L11-->L12: 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[] {255#false} is VALID [2022-04-27 23:38:36,640 INFO L290 TraceCheckUtils]: 22: Hoare triple {255#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {255#false} is VALID [2022-04-27 23:38:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 23:38:36,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:38:36,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711160442] [2022-04-27 23:38:36,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711160442] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 23:38:36,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 23:38:36,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 23:38:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629842956] [2022-04-27 23:38:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 23:38:36,644 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 23:38:36,644 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:38:36,645 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 23:38:36,663 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:36,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 23:38:36,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:38:36,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 23:38:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 23:38:36,667 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 23:38:36,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,897 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2022-04-27 23:38:36,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 23:38:36,897 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 23:38:36,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:38:36,898 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 23:38:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2022-04-27 23:38:36,903 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 23:38:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 54 transitions. [2022-04-27 23:38:36,907 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 54 transitions. [2022-04-27 23:38:36,957 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:36,959 INFO L225 Difference]: With dead ends: 42 [2022-04-27 23:38:36,959 INFO L226 Difference]: Without dead ends: 32 [2022-04-27 23:38:36,959 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 [2022-04-27 23:38:36,960 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 13 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 23:38:36,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 65 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 23:38:36,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-27 23:38:36,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-04-27 23:38:36,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:38:36,969 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,970 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,970 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,974 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2022-04-27 23:38:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-04-27 23:38:36,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:36,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:36,980 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 32 states. [2022-04-27 23:38:36,981 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand 32 states. [2022-04-27 23:38:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:36,984 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions. [2022-04-27 23:38:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-04-27 23:38:36,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:36,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:36,985 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:38:36,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:38:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-27 23:38:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2022-04-27 23:38:36,987 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 23 [2022-04-27 23:38:36,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:38:36,987 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2022-04-27 23:38:36,987 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), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 23:38:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-04-27 23:38:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 23:38:36,988 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:38:36,988 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:38:36,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 23:38:36,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:38:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:38:36,988 INFO L85 PathProgramCache]: Analyzing trace with hash -793509026, now seen corresponding path program 1 times [2022-04-27 23:38:36,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:38:36,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096723248] [2022-04-27 23:38:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:38:37,007 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 23:38:37,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021061661] [2022-04-27 23:38:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:37,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:38:37,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:38:37,014 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) [2022-04-27 23:38:37,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 23:38:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:37,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-27 23:38:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:37,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 23:38:38,534 INFO L272 TraceCheckUtils]: 0: Hoare triple {452#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {452#true} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {452#true} is VALID [2022-04-27 23:38:38,535 INFO L290 TraceCheckUtils]: 2: Hoare triple {452#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,535 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {452#true} {452#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,535 INFO L272 TraceCheckUtils]: 4: Hoare triple {452#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {452#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {452#true} is VALID [2022-04-27 23:38:38,535 INFO L272 TraceCheckUtils]: 6: Hoare triple {452#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L290 TraceCheckUtils]: 7: Hoare triple {452#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L290 TraceCheckUtils]: 8: Hoare triple {452#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L290 TraceCheckUtils]: 9: Hoare triple {452#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {452#true} {452#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L272 TraceCheckUtils]: 11: Hoare triple {452#true} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {452#true} is VALID [2022-04-27 23:38:38,536 INFO L290 TraceCheckUtils]: 12: Hoare triple {452#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {452#true} is VALID [2022-04-27 23:38:38,537 INFO L290 TraceCheckUtils]: 13: Hoare triple {452#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,537 INFO L290 TraceCheckUtils]: 14: Hoare triple {452#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {452#true} is VALID [2022-04-27 23:38:38,537 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {452#true} {452#true} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {452#true} is VALID [2022-04-27 23:38:38,538 INFO L290 TraceCheckUtils]: 16: Hoare triple {452#true} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} is VALID [2022-04-27 23:38:38,538 INFO L290 TraceCheckUtils]: 17: Hoare triple {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} is VALID [2022-04-27 23:38:38,539 INFO L290 TraceCheckUtils]: 18: Hoare triple {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} [102] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 1) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} is VALID [2022-04-27 23:38:38,540 INFO L272 TraceCheckUtils]: 19: Hoare triple {505#(and (= main_~r~0 0) (= main_~s~0 1) (= main_~p~0 1))} [105] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {515#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 23:38:38,540 INFO L290 TraceCheckUtils]: 20: Hoare triple {515#(<= 1 |__VERIFIER_assert_#in~cond|)} [104] __VERIFIER_assertENTRY-->L11: 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] {519#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 23:38:38,541 INFO L290 TraceCheckUtils]: 21: Hoare triple {519#(<= 1 __VERIFIER_assert_~cond)} [107] L11-->L12: 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[] {453#false} is VALID [2022-04-27 23:38:38,541 INFO L290 TraceCheckUtils]: 22: Hoare triple {453#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {453#false} is VALID [2022-04-27 23:38:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 23:38:38,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 23:38:38,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:38:38,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096723248] [2022-04-27 23:38:38,542 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 23:38:38,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021061661] [2022-04-27 23:38:38,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021061661] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 23:38:38,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 23:38:38,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 23:38:38,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414029977] [2022-04-27 23:38:38,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 23:38:38,544 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-27 23:38:38,544 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:38:38,544 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:38,559 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:38,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 23:38:38,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:38:38,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 23:38:38,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 23:38:38,561 INFO L87 Difference]: Start difference. First operand 32 states and 41 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:38,766 INFO L93 Difference]: Finished difference Result 49 states and 66 transitions. [2022-04-27 23:38:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 23:38:38,767 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-04-27 23:38:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:38:38,767 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-04-27 23:38:38,769 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-04-27 23:38:38,771 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 64 transitions. [2022-04-27 23:38:38,826 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:38:38,827 INFO L225 Difference]: With dead ends: 49 [2022-04-27 23:38:38,827 INFO L226 Difference]: Without dead ends: 47 [2022-04-27 23:38:38,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 23:38:38,828 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 23:38:38,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 134 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 23:38:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-27 23:38:38,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-04-27 23:38:38,834 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:38:38,834 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:38:38,835 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:38:38,835 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:38:38,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:38,837 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2022-04-27 23:38:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-04-27 23:38:38,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:38,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:38,838 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 47 states. [2022-04-27 23:38:38,838 INFO L87 Difference]: Start difference. First operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 47 states. [2022-04-27 23:38:38,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:38:38,840 INFO L93 Difference]: Finished difference Result 47 states and 64 transitions. [2022-04-27 23:38:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-04-27 23:38:38,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:38:38,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:38:38,840 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:38:38,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:38:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 17 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:38:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2022-04-27 23:38:38,842 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 23 [2022-04-27 23:38:38,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:38:38,843 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2022-04-27 23:38:38,843 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-27 23:38:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-04-27 23:38:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-27 23:38:38,843 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:38:38,844 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:38:38,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-27 23:38:39,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:38:39,062 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:38:39,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:38:39,062 INFO L85 PathProgramCache]: Analyzing trace with hash 2115229340, now seen corresponding path program 1 times [2022-04-27 23:38:39,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:38:39,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505641390] [2022-04-27 23:38:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:39,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:38:39,078 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 23:38:39,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [878687192] [2022-04-27 23:38:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:38:39,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:38:39,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:38:39,085 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) [2022-04-27 23:38:39,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 23:38:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:39,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-27 23:38:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:38:39,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 23:38:41,395 INFO L272 TraceCheckUtils]: 0: Hoare triple {767#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,396 INFO L290 TraceCheckUtils]: 1: Hoare triple {767#true} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {767#true} is VALID [2022-04-27 23:38:41,396 INFO L290 TraceCheckUtils]: 2: Hoare triple {767#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,396 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {767#true} {767#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,396 INFO L272 TraceCheckUtils]: 4: Hoare triple {767#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,396 INFO L290 TraceCheckUtils]: 5: Hoare triple {767#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {767#true} is VALID [2022-04-27 23:38:41,397 INFO L272 TraceCheckUtils]: 6: Hoare triple {767#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {767#true} is VALID [2022-04-27 23:38:41,397 INFO L290 TraceCheckUtils]: 7: Hoare triple {767#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {793#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 23:38:41,397 INFO L290 TraceCheckUtils]: 8: Hoare triple {793#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {797#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 23:38:41,398 INFO L290 TraceCheckUtils]: 9: Hoare triple {797#(not (= |assume_abort_if_not_#in~cond| 0))} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {797#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 23:38:41,399 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {797#(not (= |assume_abort_if_not_#in~cond| 0))} {767#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {804#(<= 1 main_~x~0)} is VALID [2022-04-27 23:38:41,399 INFO L272 TraceCheckUtils]: 11: Hoare triple {804#(<= 1 main_~x~0)} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {767#true} is VALID [2022-04-27 23:38:41,399 INFO L290 TraceCheckUtils]: 12: Hoare triple {767#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {767#true} is VALID [2022-04-27 23:38:41,399 INFO L290 TraceCheckUtils]: 13: Hoare triple {767#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,399 INFO L290 TraceCheckUtils]: 14: Hoare triple {767#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,402 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {767#true} {804#(<= 1 main_~x~0)} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {804#(<= 1 main_~x~0)} is VALID [2022-04-27 23:38:41,403 INFO L290 TraceCheckUtils]: 16: Hoare triple {804#(<= 1 main_~x~0)} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 23:38:41,403 INFO L290 TraceCheckUtils]: 17: Hoare triple {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 23:38:41,404 INFO L290 TraceCheckUtils]: 18: Hoare triple {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [102] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 1) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 23:38:41,404 INFO L272 TraceCheckUtils]: 19: Hoare triple {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [105] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {767#true} is VALID [2022-04-27 23:38:41,404 INFO L290 TraceCheckUtils]: 20: Hoare triple {767#true} [104] __VERIFIER_assertENTRY-->L11: 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] {767#true} is VALID [2022-04-27 23:38:41,404 INFO L290 TraceCheckUtils]: 21: Hoare triple {767#true} [108] L11-->L11-2: 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[] {767#true} is VALID [2022-04-27 23:38:41,404 INFO L290 TraceCheckUtils]: 22: Hoare triple {767#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {767#true} is VALID [2022-04-27 23:38:41,405 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {767#true} {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [124] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-27 23:38:41,406 INFO L272 TraceCheckUtils]: 24: Hoare triple {823#(and (= main_~r~0 0) (<= 1 main_~x~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [109] L35-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {848#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 23:38:41,407 INFO L290 TraceCheckUtils]: 25: Hoare triple {848#(<= 1 |__VERIFIER_assert_#in~cond|)} [104] __VERIFIER_assertENTRY-->L11: 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] {852#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 23:38:41,408 INFO L290 TraceCheckUtils]: 26: Hoare triple {852#(<= 1 __VERIFIER_assert_~cond)} [107] L11-->L12: 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[] {768#false} is VALID [2022-04-27 23:38:41,408 INFO L290 TraceCheckUtils]: 27: Hoare triple {768#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {768#false} is VALID [2022-04-27 23:38:41,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-27 23:38:41,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 23:39:17,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:39:17,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505641390] [2022-04-27 23:39:17,738 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 23:39:17,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878687192] [2022-04-27 23:39:17,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878687192] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 23:39:17,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-04-27 23:39:17,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-04-27 23:39:17,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394401363] [2022-04-27 23:39:17,738 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-04-27 23:39:17,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 28 [2022-04-27 23:39:17,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:39:17,739 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 23:39:17,763 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:17,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-27 23:39:17,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:39:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-27 23:39:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-27 23:39:17,764 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 23:39:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:18,157 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2022-04-27 23:39:18,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 23:39:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 28 [2022-04-27 23:39:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:39:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 23:39:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 64 transitions. [2022-04-27 23:39:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 23:39:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 64 transitions. [2022-04-27 23:39:18,165 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 64 transitions. [2022-04-27 23:39:18,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:18,220 INFO L225 Difference]: With dead ends: 53 [2022-04-27 23:39:18,221 INFO L226 Difference]: Without dead ends: 51 [2022-04-27 23:39:18,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-04-27 23:39:18,221 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 21 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 23:39:18,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 185 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 23:39:18,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-27 23:39:18,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-04-27 23:39:18,234 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:39:18,234 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:39:18,234 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:39:18,234 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:39:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:18,236 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2022-04-27 23:39:18,236 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-04-27 23:39:18,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:18,237 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:18,237 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 51 states. [2022-04-27 23:39:18,237 INFO L87 Difference]: Start difference. First operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 51 states. [2022-04-27 23:39:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:18,239 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2022-04-27 23:39:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-04-27 23:39:18,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:18,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:18,239 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:39:18,239 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:39:18,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 17 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-27 23:39:18,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2022-04-27 23:39:18,241 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 28 [2022-04-27 23:39:18,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:39:18,241 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2022-04-27 23:39:18,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-27 23:39:18,242 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-04-27 23:39:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-27 23:39:18,242 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:39:18,242 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:39:18,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 23:39:18,459 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,SelfDestructingSolverStorable3 [2022-04-27 23:39:18,460 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:39:18,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:39:18,460 INFO L85 PathProgramCache]: Analyzing trace with hash -864241798, now seen corresponding path program 1 times [2022-04-27 23:39:18,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:39:18,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447105220] [2022-04-27 23:39:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:39:18,473 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 23:39:18,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146910445] [2022-04-27 23:39:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:39:18,491 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) [2022-04-27 23:39:18,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 23:39:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:39:18,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-27 23:39:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:39:18,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 23:39:18,769 INFO L272 TraceCheckUtils]: 0: Hoare triple {1136#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L290 TraceCheckUtils]: 1: Hoare triple {1136#true} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L290 TraceCheckUtils]: 2: Hoare triple {1136#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1136#true} {1136#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L272 TraceCheckUtils]: 4: Hoare triple {1136#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L290 TraceCheckUtils]: 5: Hoare triple {1136#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1136#true} is VALID [2022-04-27 23:39:18,770 INFO L272 TraceCheckUtils]: 6: Hoare triple {1136#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,771 INFO L290 TraceCheckUtils]: 7: Hoare triple {1136#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1162#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 23:39:18,771 INFO L290 TraceCheckUtils]: 8: Hoare triple {1162#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1166#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 23:39:18,772 INFO L290 TraceCheckUtils]: 9: Hoare triple {1166#(not (= |assume_abort_if_not_#in~cond| 0))} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1166#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 23:39:18,772 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1166#(not (= |assume_abort_if_not_#in~cond| 0))} {1136#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1173#(<= 1 main_~x~0)} is VALID [2022-04-27 23:39:18,773 INFO L272 TraceCheckUtils]: 11: Hoare triple {1173#(<= 1 main_~x~0)} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,773 INFO L290 TraceCheckUtils]: 12: Hoare triple {1136#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1136#true} is VALID [2022-04-27 23:39:18,773 INFO L290 TraceCheckUtils]: 13: Hoare triple {1136#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,773 INFO L290 TraceCheckUtils]: 14: Hoare triple {1136#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,774 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1136#true} {1173#(<= 1 main_~x~0)} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1173#(<= 1 main_~x~0)} is VALID [2022-04-27 23:39:18,774 INFO L290 TraceCheckUtils]: 16: Hoare triple {1173#(<= 1 main_~x~0)} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 23:39:18,775 INFO L290 TraceCheckUtils]: 17: Hoare triple {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 23:39:18,775 INFO L290 TraceCheckUtils]: 18: Hoare triple {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [102] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 1) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 23:39:18,775 INFO L272 TraceCheckUtils]: 19: Hoare triple {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [105] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1136#true} is VALID [2022-04-27 23:39:18,775 INFO L290 TraceCheckUtils]: 20: Hoare triple {1136#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1136#true} is VALID [2022-04-27 23:39:18,775 INFO L290 TraceCheckUtils]: 21: Hoare triple {1136#true} [108] L11-->L11-2: 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[] {1136#true} is VALID [2022-04-27 23:39:18,775 INFO L290 TraceCheckUtils]: 22: Hoare triple {1136#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,779 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1136#true} {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [124] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 23:39:18,780 INFO L272 TraceCheckUtils]: 24: Hoare triple {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [109] L35-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1136#true} is VALID [2022-04-27 23:39:18,780 INFO L290 TraceCheckUtils]: 25: Hoare triple {1136#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1136#true} is VALID [2022-04-27 23:39:18,781 INFO L290 TraceCheckUtils]: 26: Hoare triple {1136#true} [108] L11-->L11-2: 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[] {1136#true} is VALID [2022-04-27 23:39:18,781 INFO L290 TraceCheckUtils]: 27: Hoare triple {1136#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,782 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1136#true} {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [125] __VERIFIER_assertEXIT-->L36: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} is VALID [2022-04-27 23:39:18,784 INFO L272 TraceCheckUtils]: 29: Hoare triple {1192#(and (<= 1 main_~x~0) (= main_~s~0 1) (= main_~b~0 main_~y~0) (= main_~q~0 0))} [114] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~s~0_11 v_main_~y~0_12) (* v_main_~q~0_11 v_main_~x~0_12)) v_main_~b~0_12) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~q~0=v_main_~q~0_11, main_~y~0=v_main_~y~0_12, main_~x~0=v_main_~x~0_12, main_~b~0=v_main_~b~0_12, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~s~0] {1232#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 23:39:18,784 INFO L290 TraceCheckUtils]: 30: Hoare triple {1232#(<= 1 |__VERIFIER_assert_#in~cond|)} [104] __VERIFIER_assertENTRY-->L11: 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] {1236#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 23:39:18,785 INFO L290 TraceCheckUtils]: 31: Hoare triple {1236#(<= 1 __VERIFIER_assert_~cond)} [107] L11-->L12: 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[] {1137#false} is VALID [2022-04-27 23:39:18,785 INFO L290 TraceCheckUtils]: 32: Hoare triple {1137#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1137#false} is VALID [2022-04-27 23:39:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-27 23:39:18,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 23:39:18,954 INFO L290 TraceCheckUtils]: 32: Hoare triple {1137#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1137#false} is VALID [2022-04-27 23:39:18,954 INFO L290 TraceCheckUtils]: 31: Hoare triple {1236#(<= 1 __VERIFIER_assert_~cond)} [107] L11-->L12: 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[] {1137#false} is VALID [2022-04-27 23:39:18,955 INFO L290 TraceCheckUtils]: 30: Hoare triple {1232#(<= 1 |__VERIFIER_assert_#in~cond|)} [104] __VERIFIER_assertENTRY-->L11: 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] {1236#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 23:39:18,955 INFO L272 TraceCheckUtils]: 29: Hoare triple {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [114] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~s~0_11 v_main_~y~0_12) (* v_main_~q~0_11 v_main_~x~0_12)) v_main_~b~0_12) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~q~0=v_main_~q~0_11, main_~y~0=v_main_~y~0_12, main_~x~0=v_main_~x~0_12, main_~b~0=v_main_~b~0_12, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~s~0] {1232#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 23:39:18,956 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1136#true} {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [125] __VERIFIER_assertEXIT-->L36: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-27 23:39:18,956 INFO L290 TraceCheckUtils]: 27: Hoare triple {1136#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,957 INFO L290 TraceCheckUtils]: 26: Hoare triple {1136#true} [108] L11-->L11-2: 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[] {1136#true} is VALID [2022-04-27 23:39:18,957 INFO L290 TraceCheckUtils]: 25: Hoare triple {1136#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1136#true} is VALID [2022-04-27 23:39:18,957 INFO L272 TraceCheckUtils]: 24: Hoare triple {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [109] L35-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1136#true} is VALID [2022-04-27 23:39:18,957 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1136#true} {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [124] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-27 23:39:18,958 INFO L290 TraceCheckUtils]: 22: Hoare triple {1136#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,958 INFO L290 TraceCheckUtils]: 21: Hoare triple {1136#true} [108] L11-->L11-2: 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[] {1136#true} is VALID [2022-04-27 23:39:18,958 INFO L290 TraceCheckUtils]: 20: Hoare triple {1136#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1136#true} is VALID [2022-04-27 23:39:18,958 INFO L272 TraceCheckUtils]: 19: Hoare triple {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [105] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1136#true} is VALID [2022-04-27 23:39:18,958 INFO L290 TraceCheckUtils]: 18: Hoare triple {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [102] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 1) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-27 23:39:18,959 INFO L290 TraceCheckUtils]: 17: Hoare triple {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-27 23:39:18,959 INFO L290 TraceCheckUtils]: 16: Hoare triple {1136#true} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1252#(= main_~b~0 (+ (* main_~q~0 main_~x~0) (* main_~y~0 main_~s~0)))} is VALID [2022-04-27 23:39:18,959 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1136#true} {1136#true} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 14: Hoare triple {1136#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 13: Hoare triple {1136#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 12: Hoare triple {1136#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L272 TraceCheckUtils]: 11: Hoare triple {1136#true} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1136#true} {1136#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 9: Hoare triple {1136#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 8: Hoare triple {1136#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L290 TraceCheckUtils]: 7: Hoare triple {1136#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1136#true} is VALID [2022-04-27 23:39:18,960 INFO L272 TraceCheckUtils]: 6: Hoare triple {1136#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L290 TraceCheckUtils]: 5: Hoare triple {1136#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L272 TraceCheckUtils]: 4: Hoare triple {1136#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1136#true} {1136#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L290 TraceCheckUtils]: 2: Hoare triple {1136#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L290 TraceCheckUtils]: 1: Hoare triple {1136#true} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L272 TraceCheckUtils]: 0: Hoare triple {1136#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1136#true} is VALID [2022-04-27 23:39:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-04-27 23:39:18,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:39:18,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447105220] [2022-04-27 23:39:18,962 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 23:39:18,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146910445] [2022-04-27 23:39:18,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146910445] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-27 23:39:18,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-27 23:39:18,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-04-27 23:39:18,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665781919] [2022-04-27 23:39:18,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 23:39:18,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-04-27 23:39:18,963 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:39:18,963 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 23:39:18,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:18,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 23:39:18,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:39:18,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 23:39:18,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-04-27 23:39:18,985 INFO L87 Difference]: Start difference. First operand 50 states and 66 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 23:39:19,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:19,277 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2022-04-27 23:39:19,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 23:39:19,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-04-27 23:39:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:39:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 23:39:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-04-27 23:39:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 23:39:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-04-27 23:39:19,281 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 64 transitions. [2022-04-27 23:39:19,332 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:19,334 INFO L225 Difference]: With dead ends: 75 [2022-04-27 23:39:19,334 INFO L226 Difference]: Without dead ends: 71 [2022-04-27 23:39:19,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-04-27 23:39:19,335 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 23:39:19,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 128 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 23:39:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-04-27 23:39:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-04-27 23:39:19,364 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:39:19,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-04-27 23:39:19,365 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-04-27 23:39:19,365 INFO L87 Difference]: Start difference. First operand 71 states. Second operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-04-27 23:39:19,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:19,369 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2022-04-27 23:39:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-04-27 23:39:19,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:19,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:19,370 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand 71 states. [2022-04-27 23:39:19,371 INFO L87 Difference]: Start difference. First operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand 71 states. [2022-04-27 23:39:19,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:19,373 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2022-04-27 23:39:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-04-27 23:39:19,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:19,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:19,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:39:19,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:39:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 40 states have internal predecessors, (48), 28 states have call successors, (28), 7 states have call predecessors, (28), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-04-27 23:39:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2022-04-27 23:39:19,384 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 33 [2022-04-27 23:39:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:39:19,384 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2022-04-27 23:39:19,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 23:39:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2022-04-27 23:39:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-27 23:39:19,385 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:39:19,385 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:39:19,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 23:39:19,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:19,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:39:19,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:39:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash -120478471, now seen corresponding path program 1 times [2022-04-27 23:39:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:39:19,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830372328] [2022-04-27 23:39:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:19,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:39:19,609 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 23:39:19,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338608104] [2022-04-27 23:39:19,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:19,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:19,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:39:19,611 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) [2022-04-27 23:39:19,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 23:39:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:39:19,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 23:39:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 23:39:19,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 23:39:19,780 INFO L272 TraceCheckUtils]: 0: Hoare triple {1712#true} [85] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,780 INFO L290 TraceCheckUtils]: 1: Hoare triple {1712#true} [87] 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| 3) 12) (= (select |v_#length_1| 2) 10) (= (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] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L290 TraceCheckUtils]: 2: Hoare triple {1712#true} [90] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1712#true} {1712#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L272 TraceCheckUtils]: 4: Hoare triple {1712#true} [86] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L290 TraceCheckUtils]: 5: Hoare triple {1712#true} [89] mainENTRY-->L24: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_4, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_4, main_~s~0=v_main_~s~0_4, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L272 TraceCheckUtils]: 6: Hoare triple {1712#true} [91] L24-->assume_abort_if_notENTRY: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L290 TraceCheckUtils]: 7: Hoare triple {1712#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L290 TraceCheckUtils]: 8: Hoare triple {1712#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L290 TraceCheckUtils]: 9: Hoare triple {1712#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,781 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1712#true} {1712#true} [122] assume_abort_if_notEXIT-->L24-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v_assume_abort_if_not_#in~condInParam_1| (ite (<= 1 v_main_~x~0_10) 1 0)) InVars {main_~x~0=v_main_~x~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~x~0, assume_abort_if_not_#in~cond] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L272 TraceCheckUtils]: 11: Hoare triple {1712#true} [92] L24-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 12: Hoare triple {1712#true} [93] assume_abort_if_notENTRY-->L8: Formula: (= |v_assume_abort_if_not_#in~cond_1| v_assume_abort_if_not_~cond_1) InVars {assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~cond_1|, assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_1} AuxVars[] AssignedVars[assume_abort_if_not_~cond] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 13: Hoare triple {1712#true} [96] L8-->L8-2: Formula: (not (= v_assume_abort_if_not_~cond_3 0)) InVars {assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} OutVars{assume_abort_if_not_~cond=v_assume_abort_if_not_~cond_3} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 14: Hoare triple {1712#true} [99] L8-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1712#true} {1712#true} [123] assume_abort_if_notEXIT-->L25: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_10) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 16: Hoare triple {1712#true} [94] L25-->L42-2: Formula: (and (= v_main_~r~0_7 0) (= v_main_~q~0_7 0) (= v_main_~s~0_7 1) (= v_main_~p~0_7 1) (= v_main_~b~0_8 v_main_~y~0_7) (= v_main_~a~0_6 v_main_~x~0_7)) InVars {main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7} OutVars{main_~q~0=v_main_~q~0_7, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_7, main_~r~0=v_main_~r~0_7, main_~s~0=v_main_~s~0_7, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~r~0, main_~s~0, main_~a~0] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 17: Hoare triple {1712#true} [98] L42-2-->L34-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 18: Hoare triple {1712#true} [102] L34-1-->L35: Formula: (< |v_main_#t~post6_5| 1) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L272 TraceCheckUtils]: 19: Hoare triple {1712#true} [105] L35-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1712#true} is VALID [2022-04-27 23:39:19,782 INFO L290 TraceCheckUtils]: 20: Hoare triple {1712#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L290 TraceCheckUtils]: 21: Hoare triple {1712#true} [108] L11-->L11-2: 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[] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L290 TraceCheckUtils]: 22: Hoare triple {1712#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1712#true} {1712#true} [124] __VERIFIER_assertEXIT-->L35-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_10 v_main_~s~0_10) (* (- 1) (* v_main_~q~0_10 v_main_~r~0_10))) 1) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_10, main_~p~0=v_main_~p~0_10, main_~r~0=v_main_~r~0_10, main_~s~0=v_main_~s~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~p~0, main_~r~0, main_~s~0] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L272 TraceCheckUtils]: 24: Hoare triple {1712#true} [109] L35-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L290 TraceCheckUtils]: 25: Hoare triple {1712#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L290 TraceCheckUtils]: 26: Hoare triple {1712#true} [108] L11-->L11-2: 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[] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L290 TraceCheckUtils]: 27: Hoare triple {1712#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1712#true} {1712#true} [125] __VERIFIER_assertEXIT-->L36: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~p~0_11 v_main_~x~0_11) (* v_main_~r~0_11 v_main_~y~0_11)) v_main_~a~0_10) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~y~0=v_main_~y~0_11, main_~x~0=v_main_~x~0_11, main_~p~0=v_main_~p~0_11, main_~r~0=v_main_~r~0_11, main_~a~0=v_main_~a~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~p~0, main_~r~0, main_~a~0] {1712#true} is VALID [2022-04-27 23:39:19,783 INFO L272 TraceCheckUtils]: 29: Hoare triple {1712#true} [114] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ (* v_main_~s~0_11 v_main_~y~0_12) (* v_main_~q~0_11 v_main_~x~0_12)) v_main_~b~0_12) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~q~0=v_main_~q~0_11, main_~y~0=v_main_~y~0_12, main_~x~0=v_main_~x~0_12, main_~b~0=v_main_~b~0_12, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~s~0] {1712#true} is VALID [2022-04-27 23:39:19,784 INFO L290 TraceCheckUtils]: 30: Hoare triple {1712#true} [104] __VERIFIER_assertENTRY-->L11: 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] {1712#true} is VALID [2022-04-27 23:39:19,784 INFO L290 TraceCheckUtils]: 31: Hoare triple {1712#true} [108] L11-->L11-2: 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[] {1712#true} is VALID [2022-04-27 23:39:19,784 INFO L290 TraceCheckUtils]: 32: Hoare triple {1712#true} [113] L11-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1712#true} is VALID [2022-04-27 23:39:19,784 INFO L284 TraceCheckUtils]: 33: Hoare quadruple {1712#true} {1712#true} [126] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ (* v_main_~s~0_11 v_main_~y~0_12) (* v_main_~q~0_11 v_main_~x~0_12)) v_main_~b~0_12) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~q~0=v_main_~q~0_11, main_~y~0=v_main_~y~0_12, main_~x~0=v_main_~x~0_12, main_~b~0=v_main_~b~0_12, main_~s~0=v_main_~s~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~s~0] {1712#true} is VALID [2022-04-27 23:39:19,784 INFO L290 TraceCheckUtils]: 34: Hoare triple {1712#true} [116] L37-->L34-3: Formula: (= v_main_~a~0_8 v_main_~b~0_10) InVars {main_~b~0=v_main_~b~0_10, main_~a~0=v_main_~a~0_8} OutVars{main_~b~0=v_main_~b~0_10, main_~a~0=v_main_~a~0_8} AuxVars[] AssignedVars[] {1819#(= main_~b~0 main_~a~0)} is VALID [2022-04-27 23:39:19,785 INFO L272 TraceCheckUtils]: 35: Hoare triple {1819#(= main_~b~0 main_~a~0)} [100] L34-3-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_4| (ite (= (+ (* (- 1) v_main_~b~0_13) v_main_~a~0_11) 0) 1 0)) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {1823#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 23:39:19,785 INFO L290 TraceCheckUtils]: 36: Hoare triple {1823#(<= 1 |__VERIFIER_assert_#in~cond|)} [104] __VERIFIER_assertENTRY-->L11: 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] {1827#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 23:39:19,787 INFO L290 TraceCheckUtils]: 37: Hoare triple {1827#(<= 1 __VERIFIER_assert_~cond)} [107] L11-->L12: 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[] {1713#false} is VALID [2022-04-27 23:39:19,787 INFO L290 TraceCheckUtils]: 38: Hoare triple {1713#false} [111] L12-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1713#false} is VALID [2022-04-27 23:39:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-27 23:39:19,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 23:39:19,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 23:39:19,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830372328] [2022-04-27 23:39:19,788 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 23:39:19,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338608104] [2022-04-27 23:39:19,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338608104] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 23:39:19,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 23:39:19,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 23:39:19,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052434097] [2022-04-27 23:39:19,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 23:39:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-04-27 23:39:19,789 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 23:39:19,789 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 23:39:19,810 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:19,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 23:39:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 23:39:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 23:39:19,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 23:39:19,811 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 23:39:19,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:19,978 INFO L93 Difference]: Finished difference Result 87 states and 123 transitions. [2022-04-27 23:39:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 23:39:19,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-04-27 23:39:19,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 23:39:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 23:39:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-27 23:39:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 23:39:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-04-27 23:39:19,982 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 51 transitions. [2022-04-27 23:39:20,030 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 23:39:20,032 INFO L225 Difference]: With dead ends: 87 [2022-04-27 23:39:20,032 INFO L226 Difference]: Without dead ends: 85 [2022-04-27 23:39:20,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 23:39:20,033 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 23:39:20,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 144 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 23:39:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-04-27 23:39:20,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 78. [2022-04-27 23:39:20,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 23:39:20,077 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2022-04-27 23:39:20,077 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2022-04-27 23:39:20,078 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2022-04-27 23:39:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:20,081 INFO L93 Difference]: Finished difference Result 85 states and 121 transitions. [2022-04-27 23:39:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2022-04-27 23:39:20,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:20,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:20,087 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) Second operand 85 states. [2022-04-27 23:39:20,087 INFO L87 Difference]: Start difference. First operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) Second operand 85 states. [2022-04-27 23:39:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 23:39:20,090 INFO L93 Difference]: Finished difference Result 85 states and 121 transitions. [2022-04-27 23:39:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2022-04-27 23:39:20,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 23:39:20,091 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 23:39:20,091 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 23:39:20,091 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 23:39:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 46 states have internal predecessors, (51), 31 states have call successors, (31), 8 states have call predecessors, (31), 7 states have return successors, (27), 23 states have call predecessors, (27), 27 states have call successors, (27) [2022-04-27 23:39:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2022-04-27 23:39:20,094 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 39 [2022-04-27 23:39:20,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 23:39:20,094 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2022-04-27 23:39:20,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-04-27 23:39:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2022-04-27 23:39:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-27 23:39:20,095 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 23:39:20,095 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:39:20,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-27 23:39:20,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:20,296 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 23:39:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 23:39:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1628466672, now seen corresponding path program 1 times [2022-04-27 23:39:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 23:39:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050503358] [2022-04-27 23:39:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:20,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 23:39:20,306 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 23:39:20,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880501653] [2022-04-27 23:39:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 23:39:20,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:20,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 23:39:20,322 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) [2022-04-27 23:39:20,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-27 23:39:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 23:39:20,381 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 23:39:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 23:39:20,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 23:39:20,427 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 23:39:20,427 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 23:39:20,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-27 23:39:20,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 23:39:20,641 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-04-27 23:39:20,644 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-27 23:39:20,681 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L11-2 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2022-04-27 23:39:20,682 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2022-04-27 23:39:20,683 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 23:39:20,683 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. [2022-04-27 23:39:20,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 11:39:20 BasicIcfg [2022-04-27 23:39:20,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 23:39:20,684 INFO L158 Benchmark]: Toolchain (without parser) took 45613.53ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 135.8MB in the beginning and 151.3MB in the end (delta: -15.5MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,685 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 23:39:20,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.32ms. Allocated memory is still 191.9MB. Free memory was 135.6MB in the beginning and 162.0MB in the end (delta: -26.4MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,685 INFO L158 Benchmark]: Boogie Preprocessor took 37.40ms. Allocated memory is still 191.9MB. Free memory was 162.0MB in the beginning and 160.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,685 INFO L158 Benchmark]: RCFGBuilder took 311.66ms. Allocated memory is still 191.9MB. Free memory was 160.4MB in the beginning and 148.8MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,685 INFO L158 Benchmark]: IcfgTransformer took 35.87ms. Allocated memory is still 191.9MB. Free memory was 148.8MB in the beginning and 146.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,686 INFO L158 Benchmark]: TraceAbstraction took 44945.57ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 146.3MB in the beginning and 151.3MB in the end (delta: -5.1MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2022-04-27 23:39:20,687 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 0.09ms. Allocated memory is still 191.9MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.32ms. Allocated memory is still 191.9MB. Free memory was 135.6MB in the beginning and 162.0MB in the end (delta: -26.4MB). Peak memory consumption was 5.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.40ms. Allocated memory is still 191.9MB. Free memory was 162.0MB in the beginning and 160.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 311.66ms. Allocated memory is still 191.9MB. Free memory was 160.4MB in the beginning and 148.8MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 35.87ms. Allocated memory is still 191.9MB. Free memory was 148.8MB in the beginning and 146.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 44945.57ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 146.3MB in the beginning and 151.3MB in the end (delta: -5.1MB). Peak memory consumption was 33.7MB. 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: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L18] int counter = 0; VAL [\old(counter)=6, counter=0] [L20] long long a, b, p, q, r, s; [L21] int x, y; [L22] x = __VERIFIER_nondet_int() [L23] y = __VERIFIER_nondet_int() [L24] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L8] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L24] RET assume_abort_if_not(x >= 1) VAL [\old(counter)=0, counter=0, x=3, y=1] [L25] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1, \old(counter)=0, counter=0] [L8] COND FALSE !(!cond) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=0] [L25] RET assume_abort_if_not(y >= 1) VAL [\old(counter)=0, counter=0, x=3, y=1] [L27] a = x [L28] b = y [L29] p = 1 [L30] q = 0 [L31] r = 0 [L32] s = 1 VAL [\old(counter)=0, a=3, b=1, counter=0, p=1, q=0, r=0, s=1, x=3, y=1] [L34] EXPR counter++ VAL [\old(counter)=0, a=3, b=1, counter=1, counter++=0, p=1, q=0, r=0, s=1, x=3, y=1] [L34] COND TRUE counter++<1 [L35] CALL __VERIFIER_assert(1 == p * s - r * q) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L35] RET __VERIFIER_assert(1 == p * s - r * q) VAL [\old(counter)=0, a=3, b=1, counter=1, p=1, q=0, r=0, s=1, x=3, y=1] [L36] CALL __VERIFIER_assert(a == y * r + x * p) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L36] RET __VERIFIER_assert(a == y * r + x * p) VAL [\old(counter)=0, a=3, b=1, counter=1, p=1, q=0, r=0, s=1, x=3, y=1] [L37] CALL __VERIFIER_assert(b == x * q + y * s) VAL [\old(cond)=1, \old(counter)=0, counter=1] [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1, \old(counter)=0, cond=1, counter=1] [L37] RET __VERIFIER_assert(b == x * q + y * s) VAL [\old(counter)=0, a=3, b=1, counter=1, p=1, q=0, r=0, s=1, x=3, y=1] [L39] COND FALSE !(!(a != b)) VAL [\old(counter)=0, a=3, b=1, counter=1, p=1, q=0, r=0, s=1, x=3, y=1] [L42] COND TRUE a > b [L43] a = a - b [L44] p = p - q [L45] r = r - s VAL [\old(counter)=0, a=2, b=1, counter=1, p=1, q=0, r=-1, s=1, x=3, y=1] [L34] EXPR counter++ VAL [\old(counter)=0, a=2, b=1, counter=2, counter++=1, p=1, q=0, r=-1, s=1, x=3, y=1] [L34] COND FALSE !(counter++<1) [L53] CALL __VERIFIER_assert(a - b == 0) VAL [\old(cond)=0, \old(counter)=0, counter=2] [L11] COND TRUE !(cond) VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=2] [L13] reach_error() VAL [\old(cond)=0, \old(counter)=0, cond=0, counter=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.9s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 701 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 241 mSDtfsCounter, 332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 150 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 451 SizeOfPredicates, 6 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 58/64 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! [2022-04-27 23:39:20,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...