/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/divbin_unwindbound2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 00:21:06,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 00:21:06,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 00:21:06,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-08 00:21:06,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-08 00:21:06,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-08 00:21:06,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-08 00:21:06,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-08 00:21:06,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-08 00:21:06,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-08 00:21:06,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-08 00:21:06,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-08 00:21:06,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 00:21:06,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 00:21:06,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 00:21:06,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 00:21:06,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 00:21:06,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 00:21:06,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 00:21:06,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 00:21:06,699 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 00:21:06,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 00:21:06,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 00:21:06,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 00:21:06,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 00:21:06,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-08 00:21:06,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-08 00:21:06,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-08 00:21:06,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-08 00:21:06,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-08 00:21:06,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-08 00:21:06,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-08 00:21:06,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-08 00:21:06,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-08 00:21:06,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-08 00:21:06,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-08 00:21:06,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-08 00:21:06,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-08 00:21:06,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-08 00:21:06,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 00:21:06,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 00:21:06,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 00:21:06,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-08 00:21:06,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 00:21:06,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 00:21:06,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-08 00:21:06,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-08 00:21:06,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-08 00:21:06,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * Use SBE=true [2022-04-08 00:21:06,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 00:21:06,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 00:21:06,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 00:21:06,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 00:21:06,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-08 00:21:06,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-08 00:21:06,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-08 00:21:06,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 00:21:06,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 00:21:06,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 00:21:06,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 00:21:06,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 00:21:06,937 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 00:21:06,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/divbin_unwindbound2.i [2022-04-08 00:21:06,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363606f64/4b6c6e98b8ee4c5ab714a2fc1fa7adbc/FLAG9e2e72c15 [2022-04-08 00:21:07,372 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 00:21:07,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/divbin_unwindbound2.i [2022-04-08 00:21:07,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363606f64/4b6c6e98b8ee4c5ab714a2fc1fa7adbc/FLAG9e2e72c15 [2022-04-08 00:21:07,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363606f64/4b6c6e98b8ee4c5ab714a2fc1fa7adbc [2022-04-08 00:21:07,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 00:21:07,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-08 00:21:07,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 00:21:07,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 00:21:07,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 00:21:07,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0695c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07, skipping insertion in model container [2022-04-08 00:21:07,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 00:21:07,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 00:21:07,547 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/divbin_unwindbound2.i[950,963] [2022-04-08 00:21:07,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 00:21:07,568 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 00:21:07,578 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/divbin_unwindbound2.i[950,963] [2022-04-08 00:21:07,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 00:21:07,596 INFO L208 MainTranslator]: Completed translation [2022-04-08 00:21:07,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07 WrapperNode [2022-04-08 00:21:07,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 00:21:07,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 00:21:07,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 00:21:07,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 00:21:07,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 00:21:07,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 00:21:07,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 00:21:07,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 00:21:07,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 00:21:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:07,656 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) [2022-04-08 00:21:07,666 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 [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 00:21:07,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 00:21:07,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 00:21:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 00:21:07,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 00:21:07,741 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 00:21:07,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 00:21:07,895 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 00:21:07,901 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 00:21:07,901 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-08 00:21:07,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:21:07 BoogieIcfgContainer [2022-04-08 00:21:07,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 00:21:07,903 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-08 00:21:07,903 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-08 00:21:07,904 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-08 00:21:07,907 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:21:07" (1/1) ... [2022-04-08 00:21:07,908 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-08 00:21:07,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 12:21:07 BasicIcfg [2022-04-08 00:21:07,933 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-08 00:21:07,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 00:21:07,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 00:21:07,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 00:21:07,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 12:21:07" (1/4) ... [2022-04-08 00:21:07,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f1f4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:21:07, skipping insertion in model container [2022-04-08 00:21:07,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 12:21:07" (2/4) ... [2022-04-08 00:21:07,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f1f4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 12:21:07, skipping insertion in model container [2022-04-08 00:21:07,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 12:21:07" (3/4) ... [2022-04-08 00:21:07,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f1f4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 12:21:07, skipping insertion in model container [2022-04-08 00:21:07,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 08.04 12:21:07" (4/4) ... [2022-04-08 00:21:07,940 INFO L111 eAbstractionObserver]: Analyzing ICFG divbin_unwindbound2.iqvasr [2022-04-08 00:21:07,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-08 00:21:07,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 00:21:07,982 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 00:21:07,987 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-08 00:21:07,988 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 00:21:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-08 00:21:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-08 00:21:08,013 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:08,013 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:08,014 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:08,019 INFO L85 PathProgramCache]: Analyzing trace with hash 35225450, now seen corresponding path program 1 times [2022-04-08 00:21:08,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:08,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405229287] [2022-04-08 00:21:08,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:08,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 00:21:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,192 INFO L290 TraceCheckUtils]: 0: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {36#true} is VALID [2022-04-08 00:21:08,192 INFO L290 TraceCheckUtils]: 1: Hoare triple {36#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#true} is VALID [2022-04-08 00:21:08,193 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {36#true} {36#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#true} is VALID [2022-04-08 00:21:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-08 00:21:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,207 INFO L290 TraceCheckUtils]: 0: Hoare triple {36#true} [100] assume_abort_if_notENTRY-->L16: 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] {36#true} is VALID [2022-04-08 00:21:08,208 INFO L290 TraceCheckUtils]: 1: Hoare triple {36#true} [102] L16-->L16-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,208 INFO L290 TraceCheckUtils]: 2: Hoare triple {37#false} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,213 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37#false} {36#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {37#false} is VALID [2022-04-08 00:21:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-08 00:21:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,228 INFO L290 TraceCheckUtils]: 0: Hoare triple {36#true} [100] assume_abort_if_notENTRY-->L16: 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] {36#true} is VALID [2022-04-08 00:21:08,229 INFO L290 TraceCheckUtils]: 1: Hoare triple {36#true} [102] L16-->L16-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,229 INFO L290 TraceCheckUtils]: 2: Hoare triple {37#false} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,230 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37#false} {37#false} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {37#false} is VALID [2022-04-08 00:21:08,231 INFO L272 TraceCheckUtils]: 0: Hoare triple {36#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 00:21:08,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {36#true} is VALID [2022-04-08 00:21:08,233 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#true} is VALID [2022-04-08 00:21:08,234 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#true} {36#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#true} is VALID [2022-04-08 00:21:08,236 INFO L272 TraceCheckUtils]: 4: Hoare triple {36#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#true} is VALID [2022-04-08 00:21:08,236 INFO L290 TraceCheckUtils]: 5: Hoare triple {36#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {36#true} is VALID [2022-04-08 00:21:08,236 INFO L272 TraceCheckUtils]: 6: Hoare triple {36#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {36#true} is VALID [2022-04-08 00:21:08,237 INFO L290 TraceCheckUtils]: 7: Hoare triple {36#true} [100] assume_abort_if_notENTRY-->L16: 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] {36#true} is VALID [2022-04-08 00:21:08,238 INFO L290 TraceCheckUtils]: 8: Hoare triple {36#true} [102] L16-->L16-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,239 INFO L290 TraceCheckUtils]: 9: Hoare triple {37#false} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,240 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {37#false} {36#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {37#false} is VALID [2022-04-08 00:21:08,240 INFO L272 TraceCheckUtils]: 11: Hoare triple {37#false} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {36#true} is VALID [2022-04-08 00:21:08,241 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#true} [100] assume_abort_if_notENTRY-->L16: 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] {36#true} is VALID [2022-04-08 00:21:08,243 INFO L290 TraceCheckUtils]: 13: Hoare triple {36#true} [102] L16-->L16-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,244 INFO L290 TraceCheckUtils]: 14: Hoare triple {37#false} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,244 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {37#false} {37#false} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {37#false} is VALID [2022-04-08 00:21:08,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {37#false} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {37#false} is VALID [2022-04-08 00:21:08,244 INFO L290 TraceCheckUtils]: 17: Hoare triple {37#false} [104] L36-3-->L45-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,245 INFO L290 TraceCheckUtils]: 18: Hoare triple {37#false} [107] L45-2-->L40-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,245 INFO L272 TraceCheckUtils]: 19: Hoare triple {37#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {37#false} is VALID [2022-04-08 00:21:08,245 INFO L290 TraceCheckUtils]: 20: Hoare triple {37#false} [117] __VERIFIER_assertENTRY-->L19: 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] {37#false} is VALID [2022-04-08 00:21:08,245 INFO L290 TraceCheckUtils]: 21: Hoare triple {37#false} [120] L19-->L20: 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[] {37#false} is VALID [2022-04-08 00:21:08,246 INFO L290 TraceCheckUtils]: 22: Hoare triple {37#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {37#false} is VALID [2022-04-08 00:21:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:08,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:08,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405229287] [2022-04-08 00:21:08,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405229287] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:21:08,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:21:08,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 00:21:08,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648753580] [2022-04-08 00:21:08,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:08,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-08 00:21:08,257 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:08,260 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,281 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:08,281 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 00:21:08,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:08,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 00:21:08,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 00:21:08,312 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:08,427 INFO L93 Difference]: Finished difference Result 60 states and 84 transitions. [2022-04-08 00:21:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 00:21:08,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-08 00:21:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2022-04-08 00:21:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2022-04-08 00:21:08,454 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 84 transitions. [2022-04-08 00:21:08,565 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:08,573 INFO L225 Difference]: With dead ends: 60 [2022-04-08 00:21:08,573 INFO L226 Difference]: Without dead ends: 29 [2022-04-08 00:21:08,575 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 00:21:08,578 INFO L913 BasicCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:08,578 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:08,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-08 00:21:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-04-08 00:21:08,604 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:08,605 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:08,606 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:08,606 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:08,610 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-08 00:21:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-08 00:21:08,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:08,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:08,611 INFO L74 IsIncluded]: Start isIncluded. First operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-08 00:21:08,612 INFO L87 Difference]: Start difference. First operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-08 00:21:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:08,616 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-08 00:21:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-08 00:21:08,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:08,616 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:08,617 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:08,617 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:08,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-04-08 00:21:08,621 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 23 [2022-04-08 00:21:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:08,621 INFO L478 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-04-08 00:21:08,621 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-08 00:21:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-08 00:21:08,622 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:08,623 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:08,623 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 00:21:08,623 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash 106385839, now seen corresponding path program 1 times [2022-04-08 00:21:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:08,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682865770] [2022-04-08 00:21:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:08,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:08,645 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:08,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816821350] [2022-04-08 00:21:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:08,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:08,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:08,648 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) [2022-04-08 00:21:08,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 00:21:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-08 00:21:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:08,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:08,942 INFO L272 TraceCheckUtils]: 0: Hoare triple {227#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {227#true} is VALID [2022-04-08 00:21:08,943 INFO L290 TraceCheckUtils]: 1: Hoare triple {227#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,944 INFO L290 TraceCheckUtils]: 2: Hoare triple {235#(<= ~counter~0 0)} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,945 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {235#(<= ~counter~0 0)} {227#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,946 INFO L272 TraceCheckUtils]: 4: Hoare triple {235#(<= ~counter~0 0)} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,946 INFO L290 TraceCheckUtils]: 5: Hoare triple {235#(<= ~counter~0 0)} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,947 INFO L272 TraceCheckUtils]: 6: Hoare triple {235#(<= ~counter~0 0)} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,948 INFO L290 TraceCheckUtils]: 7: Hoare triple {235#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,948 INFO L290 TraceCheckUtils]: 8: Hoare triple {235#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,949 INFO L290 TraceCheckUtils]: 9: Hoare triple {235#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,950 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {235#(<= ~counter~0 0)} {235#(<= ~counter~0 0)} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,951 INFO L272 TraceCheckUtils]: 11: Hoare triple {235#(<= ~counter~0 0)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,951 INFO L290 TraceCheckUtils]: 12: Hoare triple {235#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,952 INFO L290 TraceCheckUtils]: 13: Hoare triple {235#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,958 INFO L290 TraceCheckUtils]: 14: Hoare triple {235#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,959 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {235#(<= ~counter~0 0)} {235#(<= ~counter~0 0)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,960 INFO L290 TraceCheckUtils]: 16: Hoare triple {235#(<= ~counter~0 0)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {235#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:08,961 INFO L290 TraceCheckUtils]: 17: Hoare triple {235#(<= ~counter~0 0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {284#(<= |main_#t~post3| 0)} is VALID [2022-04-08 00:21:08,963 INFO L290 TraceCheckUtils]: 18: Hoare triple {284#(<= |main_#t~post3| 0)} [109] L36-1-->L45-2: Formula: (not (< |v_main_#t~post3_3| 2)) InVars {main_#t~post3=|v_main_#t~post3_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {228#false} is VALID [2022-04-08 00:21:08,963 INFO L290 TraceCheckUtils]: 19: Hoare triple {228#false} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {228#false} is VALID [2022-04-08 00:21:08,964 INFO L290 TraceCheckUtils]: 20: Hoare triple {228#false} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {228#false} is VALID [2022-04-08 00:21:08,964 INFO L272 TraceCheckUtils]: 21: Hoare triple {228#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {228#false} is VALID [2022-04-08 00:21:08,964 INFO L290 TraceCheckUtils]: 22: Hoare triple {228#false} [117] __VERIFIER_assertENTRY-->L19: 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] {228#false} is VALID [2022-04-08 00:21:08,965 INFO L290 TraceCheckUtils]: 23: Hoare triple {228#false} [120] L19-->L20: 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[] {228#false} is VALID [2022-04-08 00:21:08,966 INFO L290 TraceCheckUtils]: 24: Hoare triple {228#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#false} is VALID [2022-04-08 00:21:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:08,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:21:08,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:08,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682865770] [2022-04-08 00:21:08,967 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:08,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816821350] [2022-04-08 00:21:08,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816821350] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:21:08,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:21:08,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 00:21:08,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893183562] [2022-04-08 00:21:08,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:08,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-04-08 00:21:08,970 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:08,970 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:08,990 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:08,990 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 00:21:08,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:08,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 00:21:08,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 00:21:08,992 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,077 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-04-08 00:21:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 00:21:09,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2022-04-08 00:21:09,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-04-08 00:21:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-04-08 00:21:09,088 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 52 transitions. [2022-04-08 00:21:09,138 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:09,142 INFO L225 Difference]: With dead ends: 42 [2022-04-08 00:21:09,143 INFO L226 Difference]: Without dead ends: 30 [2022-04-08 00:21:09,144 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 00:21:09,146 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:09,147 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-04-08 00:21:09,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-04-08 00:21:09,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:09,164 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,165 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,166 INFO L87 Difference]: Start difference. First operand 30 states. Second operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,171 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-04-08 00:21:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-04-08 00:21:09,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:09,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:09,175 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 30 states. [2022-04-08 00:21:09,175 INFO L87 Difference]: Start difference. First operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 30 states. [2022-04-08 00:21:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,189 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2022-04-08 00:21:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-04-08 00:21:09,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:09,190 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:09,190 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:09,190 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.3) internal successors, (26), 21 states have internal predecessors, (26), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-04-08 00:21:09,193 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 25 [2022-04-08 00:21:09,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:09,193 INFO L478 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-04-08 00:21:09,193 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-04-08 00:21:09,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-08 00:21:09,194 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:09,194 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:09,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:09,417 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:09,417 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:09,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1662084126, now seen corresponding path program 1 times [2022-04-08 00:21:09,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:09,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988941157] [2022-04-08 00:21:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:09,444 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:09,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640508492] [2022-04-08 00:21:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:09,446 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) [2022-04-08 00:21:09,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 00:21:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:09,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:21:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:09,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:09,702 INFO L272 TraceCheckUtils]: 0: Hoare triple {464#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {464#true} is VALID [2022-04-08 00:21:09,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {464#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,703 INFO L290 TraceCheckUtils]: 2: Hoare triple {472#(<= ~counter~0 0)} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,704 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {472#(<= ~counter~0 0)} {464#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,704 INFO L272 TraceCheckUtils]: 4: Hoare triple {472#(<= ~counter~0 0)} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,705 INFO L290 TraceCheckUtils]: 5: Hoare triple {472#(<= ~counter~0 0)} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,705 INFO L272 TraceCheckUtils]: 6: Hoare triple {472#(<= ~counter~0 0)} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,706 INFO L290 TraceCheckUtils]: 7: Hoare triple {472#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,707 INFO L290 TraceCheckUtils]: 8: Hoare triple {472#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,707 INFO L290 TraceCheckUtils]: 9: Hoare triple {472#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,708 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {472#(<= ~counter~0 0)} {472#(<= ~counter~0 0)} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,708 INFO L272 TraceCheckUtils]: 11: Hoare triple {472#(<= ~counter~0 0)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,709 INFO L290 TraceCheckUtils]: 12: Hoare triple {472#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,710 INFO L290 TraceCheckUtils]: 13: Hoare triple {472#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,710 INFO L290 TraceCheckUtils]: 14: Hoare triple {472#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,711 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {472#(<= ~counter~0 0)} {472#(<= ~counter~0 0)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,712 INFO L290 TraceCheckUtils]: 16: Hoare triple {472#(<= ~counter~0 0)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {472#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:09,713 INFO L290 TraceCheckUtils]: 17: Hoare triple {472#(<= ~counter~0 0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {521#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:09,713 INFO L290 TraceCheckUtils]: 18: Hoare triple {521#(<= ~counter~0 1)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {521#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:09,713 INFO L290 TraceCheckUtils]: 19: Hoare triple {521#(<= ~counter~0 1)} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {521#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:09,714 INFO L290 TraceCheckUtils]: 20: Hoare triple {521#(<= ~counter~0 1)} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {531#(<= |main_#t~post4| 1)} is VALID [2022-04-08 00:21:09,714 INFO L290 TraceCheckUtils]: 21: Hoare triple {531#(<= |main_#t~post4| 1)} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {465#false} is VALID [2022-04-08 00:21:09,715 INFO L272 TraceCheckUtils]: 22: Hoare triple {465#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {465#false} is VALID [2022-04-08 00:21:09,715 INFO L290 TraceCheckUtils]: 23: Hoare triple {465#false} [117] __VERIFIER_assertENTRY-->L19: 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] {465#false} is VALID [2022-04-08 00:21:09,715 INFO L290 TraceCheckUtils]: 24: Hoare triple {465#false} [120] L19-->L20: 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[] {465#false} is VALID [2022-04-08 00:21:09,715 INFO L290 TraceCheckUtils]: 25: Hoare triple {465#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {465#false} is VALID [2022-04-08 00:21:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:09,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:21:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:09,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988941157] [2022-04-08 00:21:09,717 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:09,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640508492] [2022-04-08 00:21:09,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640508492] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:21:09,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:21:09,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 00:21:09,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474602116] [2022-04-08 00:21:09,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:09,720 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-04-08 00:21:09,720 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:09,720 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,738 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:09,738 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:21:09,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:09,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:21:09,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:21:09,739 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,841 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-04-08 00:21:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:21:09,842 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2022-04-08 00:21:09,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:09,843 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-04-08 00:21:09,845 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), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 48 transitions. [2022-04-08 00:21:09,846 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 48 transitions. [2022-04-08 00:21:09,881 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:09,882 INFO L225 Difference]: With dead ends: 41 [2022-04-08 00:21:09,882 INFO L226 Difference]: Without dead ends: 34 [2022-04-08 00:21:09,883 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:21:09,884 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:09,884 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 97 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:09,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-08 00:21:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-08 00:21:09,891 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:09,891 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,892 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,892 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,894 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-04-08 00:21:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-04-08 00:21:09,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:09,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:09,895 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-08 00:21:09,895 INFO L87 Difference]: Start difference. First operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 34 states. [2022-04-08 00:21:09,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:09,897 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2022-04-08 00:21:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-04-08 00:21:09,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:09,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:09,897 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:09,898 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:09,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-04-08 00:21:09,899 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 26 [2022-04-08 00:21:09,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:09,900 INFO L478 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-04-08 00:21:09,900 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-04-08 00:21:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-08 00:21:09,901 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:09,901 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:09,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:10,129 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-08 00:21:10,130 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:10,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1663216184, now seen corresponding path program 1 times [2022-04-08 00:21:10,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:10,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223162414] [2022-04-08 00:21:10,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:10,148 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:10,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692580023] [2022-04-08 00:21:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:10,159 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) [2022-04-08 00:21:10,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 00:21:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:10,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 00:21:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:10,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:11,037 INFO L272 TraceCheckUtils]: 0: Hoare triple {715#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,037 INFO L290 TraceCheckUtils]: 1: Hoare triple {715#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {715#true} is VALID [2022-04-08 00:21:11,037 INFO L290 TraceCheckUtils]: 2: Hoare triple {715#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,038 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {715#true} {715#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,038 INFO L272 TraceCheckUtils]: 4: Hoare triple {715#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,038 INFO L290 TraceCheckUtils]: 5: Hoare triple {715#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {715#true} is VALID [2022-04-08 00:21:11,038 INFO L272 TraceCheckUtils]: 6: Hoare triple {715#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,039 INFO L290 TraceCheckUtils]: 7: Hoare triple {715#true} [100] assume_abort_if_notENTRY-->L16: 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] {741#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 00:21:11,039 INFO L290 TraceCheckUtils]: 8: Hoare triple {741#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [103] L16-->L16-2: 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[] {745#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:21:11,039 INFO L290 TraceCheckUtils]: 9: Hoare triple {745#(not (= |assume_abort_if_not_#in~cond| 0))} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {745#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:21:11,040 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {745#(not (= |assume_abort_if_not_#in~cond| 0))} {715#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {752#(< (mod main_~B~0 4294967296) 2147483647)} is VALID [2022-04-08 00:21:11,040 INFO L272 TraceCheckUtils]: 11: Hoare triple {752#(< (mod main_~B~0 4294967296) 2147483647)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,041 INFO L290 TraceCheckUtils]: 12: Hoare triple {715#true} [100] assume_abort_if_notENTRY-->L16: 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] {715#true} is VALID [2022-04-08 00:21:11,041 INFO L290 TraceCheckUtils]: 13: Hoare triple {715#true} [103] L16-->L16-2: 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[] {715#true} is VALID [2022-04-08 00:21:11,041 INFO L290 TraceCheckUtils]: 14: Hoare triple {715#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,042 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {715#true} {752#(< (mod main_~B~0 4294967296) 2147483647)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {752#(< (mod main_~B~0 4294967296) 2147483647)} is VALID [2022-04-08 00:21:11,043 INFO L290 TraceCheckUtils]: 16: Hoare triple {752#(< (mod main_~B~0 4294967296) 2147483647)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,046 INFO L290 TraceCheckUtils]: 17: Hoare triple {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,047 INFO L290 TraceCheckUtils]: 18: Hoare triple {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,047 INFO L290 TraceCheckUtils]: 19: Hoare triple {771#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,048 INFO L290 TraceCheckUtils]: 20: Hoare triple {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,050 INFO L290 TraceCheckUtils]: 21: Hoare triple {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [113] L40-->L41: Formula: (< |v_main_#t~post4_5| 2) InVars {main_#t~post4=|v_main_#t~post4_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} is VALID [2022-04-08 00:21:11,051 INFO L272 TraceCheckUtils]: 22: Hoare triple {781#(and (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (= main_~A~0 main_~r~0) (= main_~q~0 0) (< (mod main_~b~0 4294967296) 2147483647))} [118] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (+ v_main_~r~0_10 (* v_main_~q~0_9 v_main_~b~0_13)) 4294967296) (mod v_main_~A~0_7 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~A~0=v_main_~A~0_7, main_~b~0=v_main_~b~0_13, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {791#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:21:11,051 INFO L290 TraceCheckUtils]: 23: Hoare triple {791#(<= 1 |__VERIFIER_assert_#in~cond|)} [117] __VERIFIER_assertENTRY-->L19: 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] {795#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:21:11,052 INFO L290 TraceCheckUtils]: 24: Hoare triple {795#(<= 1 __VERIFIER_assert_~cond)} [120] L19-->L20: 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[] {716#false} is VALID [2022-04-08 00:21:11,052 INFO L290 TraceCheckUtils]: 25: Hoare triple {716#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {716#false} is VALID [2022-04-08 00:21:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-08 00:21:11,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:21:11,450 INFO L290 TraceCheckUtils]: 25: Hoare triple {716#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {716#false} is VALID [2022-04-08 00:21:11,451 INFO L290 TraceCheckUtils]: 24: Hoare triple {795#(<= 1 __VERIFIER_assert_~cond)} [120] L19-->L20: 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[] {716#false} is VALID [2022-04-08 00:21:11,451 INFO L290 TraceCheckUtils]: 23: Hoare triple {791#(<= 1 |__VERIFIER_assert_#in~cond|)} [117] __VERIFIER_assertENTRY-->L19: 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] {795#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:21:11,454 INFO L272 TraceCheckUtils]: 22: Hoare triple {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} [118] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (+ v_main_~r~0_10 (* v_main_~q~0_9 v_main_~b~0_13)) 4294967296) (mod v_main_~A~0_7 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~A~0=v_main_~A~0_7, main_~b~0=v_main_~b~0_13, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {791#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:21:11,455 INFO L290 TraceCheckUtils]: 21: Hoare triple {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} [113] L40-->L41: Formula: (< |v_main_#t~post4_5| 2) InVars {main_#t~post4=|v_main_#t~post4_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} is VALID [2022-04-08 00:21:11,471 INFO L290 TraceCheckUtils]: 20: Hoare triple {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} is VALID [2022-04-08 00:21:11,476 INFO L290 TraceCheckUtils]: 19: Hoare triple {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {811#(= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))} is VALID [2022-04-08 00:21:11,476 INFO L290 TraceCheckUtils]: 18: Hoare triple {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} is VALID [2022-04-08 00:21:11,477 INFO L290 TraceCheckUtils]: 17: Hoare triple {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} is VALID [2022-04-08 00:21:11,477 INFO L290 TraceCheckUtils]: 16: Hoare triple {715#true} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {821#(or (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296)))} is VALID [2022-04-08 00:21:11,477 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {715#true} {715#true} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {715#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {715#true} [103] L16-->L16-2: 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[] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L290 TraceCheckUtils]: 12: Hoare triple {715#true} [100] assume_abort_if_notENTRY-->L16: 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] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L272 TraceCheckUtils]: 11: Hoare triple {715#true} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {715#true} {715#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,478 INFO L290 TraceCheckUtils]: 9: Hoare triple {715#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L290 TraceCheckUtils]: 8: Hoare triple {715#true} [103] L16-->L16-2: 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[] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L290 TraceCheckUtils]: 7: Hoare triple {715#true} [100] assume_abort_if_notENTRY-->L16: 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] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L272 TraceCheckUtils]: 6: Hoare triple {715#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L290 TraceCheckUtils]: 5: Hoare triple {715#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L272 TraceCheckUtils]: 4: Hoare triple {715#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,479 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {715#true} {715#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,480 INFO L290 TraceCheckUtils]: 2: Hoare triple {715#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,480 INFO L290 TraceCheckUtils]: 1: Hoare triple {715#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {715#true} is VALID [2022-04-08 00:21:11,480 INFO L272 TraceCheckUtils]: 0: Hoare triple {715#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {715#true} is VALID [2022-04-08 00:21:11,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:11,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223162414] [2022-04-08 00:21:11,481 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692580023] [2022-04-08 00:21:11,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692580023] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 00:21:11,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 00:21:11,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2022-04-08 00:21:11,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933425995] [2022-04-08 00:21:11,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:11,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 26 [2022-04-08 00:21:11,482 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:11,482 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-04-08 00:21:11,500 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:11,500 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 00:21:11,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:11,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 00:21:11,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-04-08 00:21:11,501 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-04-08 00:21:13,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-08 00:21:17,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-08 00:21:19,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-08 00:21:19,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:19,659 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-04-08 00:21:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 00:21:19,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 26 [2022-04-08 00:21:19,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-04-08 00:21:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-04-08 00:21:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-04-08 00:21:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-04-08 00:21:19,758 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 50 transitions. [2022-04-08 00:21:19,810 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:19,811 INFO L225 Difference]: With dead ends: 42 [2022-04-08 00:21:19,811 INFO L226 Difference]: Without dead ends: 39 [2022-04-08 00:21:19,812 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-04-08 00:21:19,813 INFO L913 BasicCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:19,813 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 126 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-04-08 00:21:19,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-04-08 00:21:19,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-04-08 00:21:19,821 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:19,822 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:19,822 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:19,822 INFO L87 Difference]: Start difference. First operand 39 states. Second operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:19,826 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-04-08 00:21:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-04-08 00:21:19,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:19,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:19,827 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 39 states. [2022-04-08 00:21:19,827 INFO L87 Difference]: Start difference. First operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 39 states. [2022-04-08 00:21:19,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:19,830 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-04-08 00:21:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-04-08 00:21:19,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:19,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:19,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:19,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-04-08 00:21:19,836 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 26 [2022-04-08 00:21:19,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:19,836 INFO L478 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-04-08 00:21:19,836 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-04-08 00:21:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-04-08 00:21:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-08 00:21:19,837 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:19,837 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:19,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:20,039 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:20,040 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:20,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:20,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1664227005, now seen corresponding path program 1 times [2022-04-08 00:21:20,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:20,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136271021] [2022-04-08 00:21:20,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:20,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:20,057 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:20,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275756014] [2022-04-08 00:21:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:20,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:20,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:20,058 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) [2022-04-08 00:21:20,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 00:21:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:20,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 00:21:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:20,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:20,274 INFO L272 TraceCheckUtils]: 0: Hoare triple {1071#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1071#true} is VALID [2022-04-08 00:21:20,275 INFO L290 TraceCheckUtils]: 1: Hoare triple {1071#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,276 INFO L290 TraceCheckUtils]: 2: Hoare triple {1079#(<= ~counter~0 0)} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,276 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1079#(<= ~counter~0 0)} {1071#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,277 INFO L272 TraceCheckUtils]: 4: Hoare triple {1079#(<= ~counter~0 0)} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,277 INFO L290 TraceCheckUtils]: 5: Hoare triple {1079#(<= ~counter~0 0)} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,278 INFO L272 TraceCheckUtils]: 6: Hoare triple {1079#(<= ~counter~0 0)} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,278 INFO L290 TraceCheckUtils]: 7: Hoare triple {1079#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,279 INFO L290 TraceCheckUtils]: 8: Hoare triple {1079#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,279 INFO L290 TraceCheckUtils]: 9: Hoare triple {1079#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,280 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1079#(<= ~counter~0 0)} {1079#(<= ~counter~0 0)} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,281 INFO L272 TraceCheckUtils]: 11: Hoare triple {1079#(<= ~counter~0 0)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,281 INFO L290 TraceCheckUtils]: 12: Hoare triple {1079#(<= ~counter~0 0)} [100] assume_abort_if_notENTRY-->L16: 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] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,281 INFO L290 TraceCheckUtils]: 13: Hoare triple {1079#(<= ~counter~0 0)} [103] L16-->L16-2: 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[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,282 INFO L290 TraceCheckUtils]: 14: Hoare triple {1079#(<= ~counter~0 0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,282 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1079#(<= ~counter~0 0)} {1079#(<= ~counter~0 0)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,283 INFO L290 TraceCheckUtils]: 16: Hoare triple {1079#(<= ~counter~0 0)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,284 INFO L290 TraceCheckUtils]: 17: Hoare triple {1079#(<= ~counter~0 0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,284 INFO L290 TraceCheckUtils]: 18: Hoare triple {1128#(<= ~counter~0 1)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,284 INFO L290 TraceCheckUtils]: 19: Hoare triple {1128#(<= ~counter~0 1)} [115] L37-->L36-3: Formula: (and (<= (mod v_main_~b~0_2 4294967296) (mod v_main_~r~0_1 4294967296)) (= v_main_~b~0_1 (* v_main_~b~0_2 2))) InVars {main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~b~0] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,285 INFO L290 TraceCheckUtils]: 20: Hoare triple {1128#(<= ~counter~0 1)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1138#(<= |main_#t~post3| 1)} is VALID [2022-04-08 00:21:20,285 INFO L290 TraceCheckUtils]: 21: Hoare triple {1138#(<= |main_#t~post3| 1)} [109] L36-1-->L45-2: Formula: (not (< |v_main_#t~post3_3| 2)) InVars {main_#t~post3=|v_main_#t~post3_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L290 TraceCheckUtils]: 22: Hoare triple {1072#false} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L290 TraceCheckUtils]: 23: Hoare triple {1072#false} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L272 TraceCheckUtils]: 24: Hoare triple {1072#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L290 TraceCheckUtils]: 25: Hoare triple {1072#false} [117] __VERIFIER_assertENTRY-->L19: 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] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L290 TraceCheckUtils]: 26: Hoare triple {1072#false} [120] L19-->L20: 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[] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L290 TraceCheckUtils]: 27: Hoare triple {1072#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#false} is VALID [2022-04-08 00:21:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:20,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:21:20,464 INFO L290 TraceCheckUtils]: 27: Hoare triple {1072#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1072#false} is VALID [2022-04-08 00:21:20,464 INFO L290 TraceCheckUtils]: 26: Hoare triple {1072#false} [120] L19-->L20: 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[] {1072#false} is VALID [2022-04-08 00:21:20,464 INFO L290 TraceCheckUtils]: 25: Hoare triple {1072#false} [117] __VERIFIER_assertENTRY-->L19: 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] {1072#false} is VALID [2022-04-08 00:21:20,465 INFO L272 TraceCheckUtils]: 24: Hoare triple {1072#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {1072#false} is VALID [2022-04-08 00:21:20,465 INFO L290 TraceCheckUtils]: 23: Hoare triple {1072#false} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {1072#false} is VALID [2022-04-08 00:21:20,465 INFO L290 TraceCheckUtils]: 22: Hoare triple {1072#false} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {1072#false} is VALID [2022-04-08 00:21:20,465 INFO L290 TraceCheckUtils]: 21: Hoare triple {1138#(<= |main_#t~post3| 1)} [109] L36-1-->L45-2: Formula: (not (< |v_main_#t~post3_3| 2)) InVars {main_#t~post3=|v_main_#t~post3_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1072#false} is VALID [2022-04-08 00:21:20,466 INFO L290 TraceCheckUtils]: 20: Hoare triple {1128#(<= ~counter~0 1)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1138#(<= |main_#t~post3| 1)} is VALID [2022-04-08 00:21:20,466 INFO L290 TraceCheckUtils]: 19: Hoare triple {1128#(<= ~counter~0 1)} [115] L37-->L36-3: Formula: (and (<= (mod v_main_~b~0_2 4294967296) (mod v_main_~r~0_1 4294967296)) (= v_main_~b~0_1 (* v_main_~b~0_2 2))) InVars {main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~b~0] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,467 INFO L290 TraceCheckUtils]: 18: Hoare triple {1128#(<= ~counter~0 1)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,467 INFO L290 TraceCheckUtils]: 17: Hoare triple {1079#(<= ~counter~0 0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1128#(<= ~counter~0 1)} is VALID [2022-04-08 00:21:20,468 INFO L290 TraceCheckUtils]: 16: Hoare triple {1079#(<= ~counter~0 0)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,468 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1071#true} {1079#(<= ~counter~0 0)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,468 INFO L290 TraceCheckUtils]: 14: Hoare triple {1071#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1071#true} is VALID [2022-04-08 00:21:20,469 INFO L290 TraceCheckUtils]: 13: Hoare triple {1071#true} [103] L16-->L16-2: 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[] {1071#true} is VALID [2022-04-08 00:21:20,469 INFO L290 TraceCheckUtils]: 12: Hoare triple {1071#true} [100] assume_abort_if_notENTRY-->L16: 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] {1071#true} is VALID [2022-04-08 00:21:20,469 INFO L272 TraceCheckUtils]: 11: Hoare triple {1079#(<= ~counter~0 0)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1071#true} is VALID [2022-04-08 00:21:20,469 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1071#true} {1079#(<= ~counter~0 0)} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {1071#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1071#true} is VALID [2022-04-08 00:21:20,470 INFO L290 TraceCheckUtils]: 8: Hoare triple {1071#true} [103] L16-->L16-2: 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[] {1071#true} is VALID [2022-04-08 00:21:20,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {1071#true} [100] assume_abort_if_notENTRY-->L16: 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] {1071#true} is VALID [2022-04-08 00:21:20,470 INFO L272 TraceCheckUtils]: 6: Hoare triple {1079#(<= ~counter~0 0)} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1071#true} is VALID [2022-04-08 00:21:20,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {1079#(<= ~counter~0 0)} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,471 INFO L272 TraceCheckUtils]: 4: Hoare triple {1079#(<= ~counter~0 0)} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,471 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1079#(<= ~counter~0 0)} {1071#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,471 INFO L290 TraceCheckUtils]: 2: Hoare triple {1079#(<= ~counter~0 0)} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {1071#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {1079#(<= ~counter~0 0)} is VALID [2022-04-08 00:21:20,472 INFO L272 TraceCheckUtils]: 0: Hoare triple {1071#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1071#true} is VALID [2022-04-08 00:21:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:20,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:20,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136271021] [2022-04-08 00:21:20,473 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:20,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275756014] [2022-04-08 00:21:20,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275756014] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 00:21:20,473 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-08 00:21:20,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-04-08 00:21:20,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970031374] [2022-04-08 00:21:20,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-08 00:21:20,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2022-04-08 00:21:20,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:20,474 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-08 00:21:20,500 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:20,501 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 00:21:20,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:20,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 00:21:20,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-08 00:21:20,502 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-08 00:21:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:20,629 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2022-04-08 00:21:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 00:21:20,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 28 [2022-04-08 00:21:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-08 00:21:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2022-04-08 00:21:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-08 00:21:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 57 transitions. [2022-04-08 00:21:20,633 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 57 transitions. [2022-04-08 00:21:20,683 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:20,684 INFO L225 Difference]: With dead ends: 53 [2022-04-08 00:21:20,684 INFO L226 Difference]: Without dead ends: 41 [2022-04-08 00:21:20,685 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-08 00:21:20,686 INFO L913 BasicCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:20,686 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 81 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-04-08 00:21:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-04-08 00:21:20,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:20,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:20,698 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:20,698 INFO L87 Difference]: Start difference. First operand 41 states. Second operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:20,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:20,700 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-04-08 00:21:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-04-08 00:21:20,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:20,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:20,700 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 41 states. [2022-04-08 00:21:20,701 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 41 states. [2022-04-08 00:21:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:20,702 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-04-08 00:21:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-04-08 00:21:20,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:20,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:20,703 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:20,703 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 30 states have internal predecessors, (36), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:20,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2022-04-08 00:21:20,704 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 28 [2022-04-08 00:21:20,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:20,705 INFO L478 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2022-04-08 00:21:20,705 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-08 00:21:20,705 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-04-08 00:21:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-08 00:21:20,705 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:20,706 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:20,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:20,906 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:20,906 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:20,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:20,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1687306486, now seen corresponding path program 1 times [2022-04-08 00:21:20,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:20,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881908157] [2022-04-08 00:21:20,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:20,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:20,933 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:20,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196245634] [2022-04-08 00:21:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:20,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:20,935 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) [2022-04-08 00:21:20,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 00:21:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:20,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-08 00:21:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:21,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:21,673 INFO L272 TraceCheckUtils]: 0: Hoare triple {1454#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:21,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {1454#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {1454#true} is VALID [2022-04-08 00:21:21,673 INFO L290 TraceCheckUtils]: 2: Hoare triple {1454#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1454#true} {1454#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L272 TraceCheckUtils]: 4: Hoare triple {1454#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L290 TraceCheckUtils]: 5: Hoare triple {1454#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L272 TraceCheckUtils]: 6: Hoare triple {1454#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L290 TraceCheckUtils]: 7: Hoare triple {1454#true} [100] assume_abort_if_notENTRY-->L16: 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] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L290 TraceCheckUtils]: 8: Hoare triple {1454#true} [103] L16-->L16-2: 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[] {1454#true} is VALID [2022-04-08 00:21:21,674 INFO L290 TraceCheckUtils]: 9: Hoare triple {1454#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:21,675 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1454#true} {1454#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:21,675 INFO L272 TraceCheckUtils]: 11: Hoare triple {1454#true} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:21,683 INFO L290 TraceCheckUtils]: 12: Hoare triple {1454#true} [100] assume_abort_if_notENTRY-->L16: 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] {1495#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-08 00:21:21,684 INFO L290 TraceCheckUtils]: 13: Hoare triple {1495#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [103] L16-->L16-2: 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[] {1499#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:21:21,684 INFO L290 TraceCheckUtils]: 14: Hoare triple {1499#(not (= |assume_abort_if_not_#in~cond| 0))} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1499#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-08 00:21:21,685 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1499#(not (= |assume_abort_if_not_#in~cond| 0))} {1454#true} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1506#(<= 1 (mod main_~B~0 4294967296))} is VALID [2022-04-08 00:21:21,685 INFO L290 TraceCheckUtils]: 16: Hoare triple {1506#(<= 1 (mod main_~B~0 4294967296))} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,686 INFO L290 TraceCheckUtils]: 17: Hoare triple {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,686 INFO L290 TraceCheckUtils]: 18: Hoare triple {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,688 INFO L290 TraceCheckUtils]: 19: Hoare triple {1510#(and (= main_~A~0 main_~r~0) (<= 1 (mod main_~b~0 4294967296)) (= main_~q~0 0))} [115] L37-->L36-3: Formula: (and (<= (mod v_main_~b~0_2 4294967296) (mod v_main_~r~0_1 4294967296)) (= v_main_~b~0_1 (* v_main_~b~0_2 2))) InVars {main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~b~0] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,688 INFO L290 TraceCheckUtils]: 20: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,689 INFO L290 TraceCheckUtils]: 21: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,689 INFO L290 TraceCheckUtils]: 22: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,690 INFO L290 TraceCheckUtils]: 23: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,690 INFO L290 TraceCheckUtils]: 24: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} is VALID [2022-04-08 00:21:21,691 INFO L272 TraceCheckUtils]: 25: Hoare triple {1520#(and (< 0 (+ (div (+ (- 1) (mod main_~r~0 4294967296)) 4294967296) 1)) (= main_~A~0 main_~r~0) (= main_~q~0 0))} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {1539#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:21:21,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {1539#(<= 1 |__VERIFIER_assert_#in~cond|)} [117] __VERIFIER_assertENTRY-->L19: 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] {1543#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:21:21,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {1543#(<= 1 __VERIFIER_assert_~cond)} [120] L19-->L20: 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[] {1455#false} is VALID [2022-04-08 00:21:21,692 INFO L290 TraceCheckUtils]: 28: Hoare triple {1455#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1455#false} is VALID [2022-04-08 00:21:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-08 00:21:21,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 00:21:22,312 INFO L290 TraceCheckUtils]: 28: Hoare triple {1455#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1455#false} is VALID [2022-04-08 00:21:22,312 INFO L290 TraceCheckUtils]: 27: Hoare triple {1543#(<= 1 __VERIFIER_assert_~cond)} [120] L19-->L20: 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[] {1455#false} is VALID [2022-04-08 00:21:22,313 INFO L290 TraceCheckUtils]: 26: Hoare triple {1539#(<= 1 |__VERIFIER_assert_#in~cond|)} [117] __VERIFIER_assertENTRY-->L19: 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] {1543#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-08 00:21:22,314 INFO L272 TraceCheckUtils]: 25: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {1539#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 00:21:22,315 INFO L290 TraceCheckUtils]: 24: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,315 INFO L290 TraceCheckUtils]: 23: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,316 INFO L290 TraceCheckUtils]: 22: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,318 INFO L290 TraceCheckUtils]: 21: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,318 INFO L290 TraceCheckUtils]: 20: Hoare triple {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,319 INFO L290 TraceCheckUtils]: 19: Hoare triple {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} [115] L37-->L36-3: Formula: (and (<= (mod v_main_~b~0_2 4294967296) (mod v_main_~r~0_1 4294967296)) (= v_main_~b~0_1 (* v_main_~b~0_2 2))) InVars {main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~b~0] {1559#(forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)))} is VALID [2022-04-08 00:21:22,319 INFO L290 TraceCheckUtils]: 18: Hoare triple {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} is VALID [2022-04-08 00:21:22,320 INFO L290 TraceCheckUtils]: 17: Hoare triple {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} is VALID [2022-04-08 00:21:22,320 INFO L290 TraceCheckUtils]: 16: Hoare triple {1454#true} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {1578#(or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))} is VALID [2022-04-08 00:21:22,320 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1454#true} {1454#true} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:22,320 INFO L290 TraceCheckUtils]: 14: Hoare triple {1454#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L290 TraceCheckUtils]: 13: Hoare triple {1454#true} [103] L16-->L16-2: 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[] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L290 TraceCheckUtils]: 12: Hoare triple {1454#true} [100] assume_abort_if_notENTRY-->L16: 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] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L272 TraceCheckUtils]: 11: Hoare triple {1454#true} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1454#true} {1454#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {1454#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {1454#true} [103] L16-->L16-2: 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[] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L290 TraceCheckUtils]: 7: Hoare triple {1454#true} [100] assume_abort_if_notENTRY-->L16: 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] {1454#true} is VALID [2022-04-08 00:21:22,321 INFO L272 TraceCheckUtils]: 6: Hoare triple {1454#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L290 TraceCheckUtils]: 5: Hoare triple {1454#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L272 TraceCheckUtils]: 4: Hoare triple {1454#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1454#true} {1454#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L290 TraceCheckUtils]: 2: Hoare triple {1454#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L290 TraceCheckUtils]: 1: Hoare triple {1454#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {1454#true} is VALID [2022-04-08 00:21:22,322 INFO L272 TraceCheckUtils]: 0: Hoare triple {1454#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1454#true} is VALID [2022-04-08 00:21:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:22,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:22,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881908157] [2022-04-08 00:21:22,323 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:22,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196245634] [2022-04-08 00:21:22,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196245634] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-08 00:21:22,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-08 00:21:22,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2022-04-08 00:21:22,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86788304] [2022-04-08 00:21:22,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 29 [2022-04-08 00:21:22,324 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:22,324 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-04-08 00:21:24,373 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 25 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:24,373 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 00:21:24,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:24,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 00:21:24,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-04-08 00:21:24,374 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-04-08 00:21:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:24,654 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2022-04-08 00:21:24,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 00:21:24,654 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 29 [2022-04-08 00:21:24,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-04-08 00:21:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 49 transitions. [2022-04-08 00:21:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-04-08 00:21:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 49 transitions. [2022-04-08 00:21:24,657 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 49 transitions. [2022-04-08 00:21:26,736 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 48 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:26,737 INFO L225 Difference]: With dead ends: 51 [2022-04-08 00:21:26,737 INFO L226 Difference]: Without dead ends: 44 [2022-04-08 00:21:26,737 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-04-08 00:21:26,738 INFO L913 BasicCegarLoop]: 39 mSDtfsCounter, 11 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:26,738 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 130 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2022-04-08 00:21:26,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-08 00:21:26,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2022-04-08 00:21:26,747 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:26,748 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:26,748 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:26,748 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:26,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:26,750 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-04-08 00:21:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-04-08 00:21:26,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:26,751 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:26,751 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 44 states. [2022-04-08 00:21:26,751 INFO L87 Difference]: Start difference. First operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 44 states. [2022-04-08 00:21:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:26,753 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-04-08 00:21:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-04-08 00:21:26,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:26,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:26,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:26,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 32 states have internal predecessors, (38), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-08 00:21:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-04-08 00:21:26,755 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 29 [2022-04-08 00:21:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:26,755 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-04-08 00:21:26,755 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-04-08 00:21:26,756 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-04-08 00:21:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-08 00:21:26,756 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:26,756 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:26,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:26,957 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:26,957 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1686174428, now seen corresponding path program 1 times [2022-04-08 00:21:26,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:26,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363815364] [2022-04-08 00:21:26,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:26,977 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:26,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610094522] [2022-04-08 00:21:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:26,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 00:21:26,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 00:21:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:27,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-08 00:21:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:27,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:27,240 INFO L272 TraceCheckUtils]: 0: Hoare triple {1855#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1855#true} is VALID [2022-04-08 00:21:27,241 INFO L290 TraceCheckUtils]: 1: Hoare triple {1855#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,242 INFO L290 TraceCheckUtils]: 2: Hoare triple {1863#(<= 0 ~counter~0)} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,243 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1863#(<= 0 ~counter~0)} {1855#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,247 INFO L272 TraceCheckUtils]: 4: Hoare triple {1863#(<= 0 ~counter~0)} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,247 INFO L290 TraceCheckUtils]: 5: Hoare triple {1863#(<= 0 ~counter~0)} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,248 INFO L272 TraceCheckUtils]: 6: Hoare triple {1863#(<= 0 ~counter~0)} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,248 INFO L290 TraceCheckUtils]: 7: Hoare triple {1863#(<= 0 ~counter~0)} [100] assume_abort_if_notENTRY-->L16: 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] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,249 INFO L290 TraceCheckUtils]: 8: Hoare triple {1863#(<= 0 ~counter~0)} [103] L16-->L16-2: 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[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,249 INFO L290 TraceCheckUtils]: 9: Hoare triple {1863#(<= 0 ~counter~0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,250 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1863#(<= 0 ~counter~0)} {1863#(<= 0 ~counter~0)} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,250 INFO L272 TraceCheckUtils]: 11: Hoare triple {1863#(<= 0 ~counter~0)} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,251 INFO L290 TraceCheckUtils]: 12: Hoare triple {1863#(<= 0 ~counter~0)} [100] assume_abort_if_notENTRY-->L16: 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] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,251 INFO L290 TraceCheckUtils]: 13: Hoare triple {1863#(<= 0 ~counter~0)} [103] L16-->L16-2: 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[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,252 INFO L290 TraceCheckUtils]: 14: Hoare triple {1863#(<= 0 ~counter~0)} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,252 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1863#(<= 0 ~counter~0)} {1863#(<= 0 ~counter~0)} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,252 INFO L290 TraceCheckUtils]: 16: Hoare triple {1863#(<= 0 ~counter~0)} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {1863#(<= 0 ~counter~0)} is VALID [2022-04-08 00:21:27,253 INFO L290 TraceCheckUtils]: 17: Hoare triple {1863#(<= 0 ~counter~0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1912#(<= 1 ~counter~0)} is VALID [2022-04-08 00:21:27,254 INFO L290 TraceCheckUtils]: 18: Hoare triple {1912#(<= 1 ~counter~0)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1912#(<= 1 ~counter~0)} is VALID [2022-04-08 00:21:27,254 INFO L290 TraceCheckUtils]: 19: Hoare triple {1912#(<= 1 ~counter~0)} [115] L37-->L36-3: Formula: (and (<= (mod v_main_~b~0_2 4294967296) (mod v_main_~r~0_1 4294967296)) (= v_main_~b~0_1 (* v_main_~b~0_2 2))) InVars {main_~b~0=v_main_~b~0_2, main_~r~0=v_main_~r~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_~b~0] {1912#(<= 1 ~counter~0)} is VALID [2022-04-08 00:21:27,255 INFO L290 TraceCheckUtils]: 20: Hoare triple {1912#(<= 1 ~counter~0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {1922#(<= 2 ~counter~0)} is VALID [2022-04-08 00:21:27,255 INFO L290 TraceCheckUtils]: 21: Hoare triple {1922#(<= 2 ~counter~0)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {1922#(<= 2 ~counter~0)} is VALID [2022-04-08 00:21:27,255 INFO L290 TraceCheckUtils]: 22: Hoare triple {1922#(<= 2 ~counter~0)} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {1922#(<= 2 ~counter~0)} is VALID [2022-04-08 00:21:27,256 INFO L290 TraceCheckUtils]: 23: Hoare triple {1922#(<= 2 ~counter~0)} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {1932#(<= 2 |main_#t~post4|)} is VALID [2022-04-08 00:21:27,256 INFO L290 TraceCheckUtils]: 24: Hoare triple {1932#(<= 2 |main_#t~post4|)} [113] L40-->L41: Formula: (< |v_main_#t~post4_5| 2) InVars {main_#t~post4=|v_main_#t~post4_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {1856#false} is VALID [2022-04-08 00:21:27,256 INFO L272 TraceCheckUtils]: 25: Hoare triple {1856#false} [118] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (+ v_main_~r~0_10 (* v_main_~q~0_9 v_main_~b~0_13)) 4294967296) (mod v_main_~A~0_7 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~A~0=v_main_~A~0_7, main_~b~0=v_main_~b~0_13, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {1856#false} is VALID [2022-04-08 00:21:27,257 INFO L290 TraceCheckUtils]: 26: Hoare triple {1856#false} [117] __VERIFIER_assertENTRY-->L19: 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] {1856#false} is VALID [2022-04-08 00:21:27,257 INFO L290 TraceCheckUtils]: 27: Hoare triple {1856#false} [120] L19-->L20: 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[] {1856#false} is VALID [2022-04-08 00:21:27,257 INFO L290 TraceCheckUtils]: 28: Hoare triple {1856#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1856#false} is VALID [2022-04-08 00:21:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:27,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:21:27,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:27,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363815364] [2022-04-08 00:21:27,259 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:27,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610094522] [2022-04-08 00:21:27,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610094522] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:21:27,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:21:27,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 00:21:27,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710376970] [2022-04-08 00:21:27,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:27,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-04-08 00:21:27,261 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:27,262 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:27,285 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:27,286 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 00:21:27,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:27,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 00:21:27,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-08 00:21:27,286 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:27,437 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2022-04-08 00:21:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 00:21:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2022-04-08 00:21:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2022-04-08 00:21:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2022-04-08 00:21:27,441 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 55 transitions. [2022-04-08 00:21:27,490 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:27,491 INFO L225 Difference]: With dead ends: 53 [2022-04-08 00:21:27,491 INFO L226 Difference]: Without dead ends: 32 [2022-04-08 00:21:27,492 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-04-08 00:21:27,492 INFO L913 BasicCegarLoop]: 33 mSDtfsCounter, 28 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:27,493 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 81 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-08 00:21:27,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-04-08 00:21:27,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:27,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:27,506 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:27,506 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:27,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:27,508 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2022-04-08 00:21:27,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-04-08 00:21:27,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:27,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:27,508 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 32 states. [2022-04-08 00:21:27,508 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 32 states. [2022-04-08 00:21:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:27,510 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2022-04-08 00:21:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-04-08 00:21:27,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:27,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:27,510 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:27,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 6 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-08 00:21:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2022-04-08 00:21:27,511 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 29 [2022-04-08 00:21:27,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:27,512 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-04-08 00:21:27,512 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-08 00:21:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-04-08 00:21:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-04-08 00:21:27,512 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 00:21:27,512 INFO L499 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-04-08 00:21:27,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-08 00:21:27,739 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:27,740 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 00:21:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 00:21:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash -666194977, now seen corresponding path program 1 times [2022-04-08 00:21:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 00:21:27,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550359109] [2022-04-08 00:21:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 00:21:27,765 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-08 00:21:27,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531428747] [2022-04-08 00:21:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 00:21:27,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:27,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 00:21:27,767 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-08 00:21:27,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 00:21:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:27,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-08 00:21:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 00:21:27,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 00:21:27,908 INFO L272 TraceCheckUtils]: 0: Hoare triple {2127#true} [92] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {2127#true} [94] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 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) (= (select |v_#length_1| 2) 9) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= v_~counter~0_5 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_5, #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] {2127#true} is VALID [2022-04-08 00:21:27,908 INFO L290 TraceCheckUtils]: 2: Hoare triple {2127#true} [97] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,908 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2127#true} {2127#true} [129] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,908 INFO L272 TraceCheckUtils]: 4: Hoare triple {2127#true} [93] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L290 TraceCheckUtils]: 5: Hoare triple {2127#true} [96] mainENTRY-->L31: Formula: (and (= v_main_~B~0_1 |v_main_#t~nondet2_2|) (= v_main_~A~0_2 |v_main_#t~nondet1_2|)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{main_~q~0=v_main_~q~0_2, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_2, main_~b~0=v_main_~b~0_4, main_~r~0=v_main_~r~0_3} AuxVars[] AssignedVars[main_~q~0, main_#t~nondet1, main_#t~nondet2, main_~B~0, main_~A~0, main_~b~0, main_~r~0] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L272 TraceCheckUtils]: 6: Hoare triple {2127#true} [98] L31-->assume_abort_if_notENTRY: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L290 TraceCheckUtils]: 7: Hoare triple {2127#true} [100] assume_abort_if_notENTRY-->L16: 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] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L290 TraceCheckUtils]: 8: Hoare triple {2127#true} [103] L16-->L16-2: 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[] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L290 TraceCheckUtils]: 9: Hoare triple {2127#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2127#true} {2127#true} [130] assume_abort_if_notEXIT-->L31-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (< (mod v_main_~B~0_9 4294967296) 2147483647) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_9} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2127#true} is VALID [2022-04-08 00:21:27,909 INFO L272 TraceCheckUtils]: 11: Hoare triple {2127#true} [99] L31-1-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2127#true} is VALID [2022-04-08 00:21:27,910 INFO L290 TraceCheckUtils]: 12: Hoare triple {2127#true} [100] assume_abort_if_notENTRY-->L16: 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] {2127#true} is VALID [2022-04-08 00:21:27,910 INFO L290 TraceCheckUtils]: 13: Hoare triple {2127#true} [103] L16-->L16-2: 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[] {2127#true} is VALID [2022-04-08 00:21:27,910 INFO L290 TraceCheckUtils]: 14: Hoare triple {2127#true} [106] L16-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,910 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {2127#true} {2127#true} [131] assume_abort_if_notEXIT-->L32: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_2|) InVars {main_~B~0=v_main_~B~0_10} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_2|} AuxVars[] AssignedVars[main_~B~0, assume_abort_if_not_#in~cond] {2127#true} is VALID [2022-04-08 00:21:27,910 INFO L290 TraceCheckUtils]: 16: Hoare triple {2127#true} [101] L32-->L36-3: Formula: (and (= v_main_~A~0_5 v_main_~r~0_4) (= v_main_~B~0_7 v_main_~b~0_6) (= v_main_~q~0_3 0)) InVars {main_~A~0=v_main_~A~0_5, main_~B~0=v_main_~B~0_7} OutVars{main_~q~0=v_main_~q~0_3, main_~B~0=v_main_~B~0_7, main_~b~0=v_main_~b~0_6, main_~A~0=v_main_~A~0_5, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~r~0] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {2180#(= main_~B~0 main_~b~0)} [105] L36-3-->L36-1: Formula: (and (= (+ |v_main_#t~post3_1| 1) v_~counter~0_3) (= |v_main_#t~post3_1| v_~counter~0_4)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post3] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,912 INFO L290 TraceCheckUtils]: 18: Hoare triple {2180#(= main_~B~0 main_~b~0)} [110] L36-1-->L37: Formula: (< |v_main_#t~post3_5| 2) InVars {main_#t~post3=|v_main_#t~post3_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post3] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {2180#(= main_~B~0 main_~b~0)} [114] L37-->L45-2: Formula: (not (<= (mod v_main_~b~0_12 4294967296) (mod v_main_~r~0_9 4294967296))) InVars {main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} OutVars{main_~b~0=v_main_~b~0_12, main_~r~0=v_main_~r~0_9} AuxVars[] AssignedVars[] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,912 INFO L290 TraceCheckUtils]: 20: Hoare triple {2180#(= main_~B~0 main_~b~0)} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,913 INFO L290 TraceCheckUtils]: 21: Hoare triple {2180#(= main_~B~0 main_~b~0)} [113] L40-->L41: Formula: (< |v_main_#t~post4_5| 2) InVars {main_#t~post4=|v_main_#t~post4_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,913 INFO L272 TraceCheckUtils]: 22: Hoare triple {2180#(= main_~B~0 main_~b~0)} [118] L41-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (+ v_main_~r~0_10 (* v_main_~q~0_9 v_main_~b~0_13)) 4294967296) (mod v_main_~A~0_7 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~A~0=v_main_~A~0_7, main_~b~0=v_main_~b~0_13, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {2127#true} is VALID [2022-04-08 00:21:27,913 INFO L290 TraceCheckUtils]: 23: Hoare triple {2127#true} [117] __VERIFIER_assertENTRY-->L19: 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] {2127#true} is VALID [2022-04-08 00:21:27,913 INFO L290 TraceCheckUtils]: 24: Hoare triple {2127#true} [121] L19-->L19-2: 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[] {2127#true} is VALID [2022-04-08 00:21:27,913 INFO L290 TraceCheckUtils]: 25: Hoare triple {2127#true} [126] L19-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2127#true} is VALID [2022-04-08 00:21:27,914 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {2127#true} {2180#(= main_~B~0 main_~b~0)} [133] __VERIFIER_assertEXIT-->L41-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod (+ v_main_~r~0_10 (* v_main_~q~0_9 v_main_~b~0_13)) 4294967296) (mod v_main_~A~0_7 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_9, main_~A~0=v_main_~A~0_7, main_~b~0=v_main_~b~0_13, main_~r~0=v_main_~r~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {2180#(= main_~B~0 main_~b~0)} is VALID [2022-04-08 00:21:27,915 INFO L290 TraceCheckUtils]: 27: Hoare triple {2180#(= main_~B~0 main_~b~0)} [123] L41-1-->L45: Formula: (let ((.cse0 (mod v_main_~b~0_8 4294967296))) (and (= v_main_~q~0_4 (* v_main_~q~0_5 2)) (= v_main_~b~0_7 (div .cse0 2)) (not (= .cse0 (mod v_main_~B~0_8 4294967296))))) InVars {main_~q~0=v_main_~q~0_5, main_~B~0=v_main_~B~0_8, main_~b~0=v_main_~b~0_8} OutVars{main_~q~0=v_main_~q~0_4, main_~B~0=v_main_~B~0_8, main_~b~0=v_main_~b~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0] {2128#false} is VALID [2022-04-08 00:21:27,915 INFO L290 TraceCheckUtils]: 28: Hoare triple {2128#false} [128] L45-->L45-2: Formula: (not (<= (mod v_main_~b~0_10 4294967296) (mod v_main_~r~0_7 4294967296))) InVars {main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_7} OutVars{main_~b~0=v_main_~b~0_10, main_~r~0=v_main_~r~0_7} AuxVars[] AssignedVars[] {2128#false} is VALID [2022-04-08 00:21:27,915 INFO L290 TraceCheckUtils]: 29: Hoare triple {2128#false} [108] L45-2-->L40: Formula: (and (= |v_main_#t~post4_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post4_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{main_#t~post4=|v_main_#t~post4_1|, ~counter~0=v_~counter~0_1} AuxVars[] AssignedVars[~counter~0, main_#t~post4] {2128#false} is VALID [2022-04-08 00:21:27,915 INFO L290 TraceCheckUtils]: 30: Hoare triple {2128#false} [112] L40-->L40-2: Formula: (not (< |v_main_#t~post4_3| 2)) InVars {main_#t~post4=|v_main_#t~post4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post4] {2128#false} is VALID [2022-04-08 00:21:27,916 INFO L272 TraceCheckUtils]: 31: Hoare triple {2128#false} [111] L40-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_2| (ite (= (mod v_main_~A~0_8 4294967296) (mod (+ v_main_~r~0_11 (* v_main_~q~0_10 v_main_~b~0_14)) 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~A~0=v_main_~A~0_8, main_~b~0=v_main_~b~0_14, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~A~0, main_~b~0, main_~r~0] {2128#false} is VALID [2022-04-08 00:21:27,916 INFO L290 TraceCheckUtils]: 32: Hoare triple {2128#false} [117] __VERIFIER_assertENTRY-->L19: 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] {2128#false} is VALID [2022-04-08 00:21:27,916 INFO L290 TraceCheckUtils]: 33: Hoare triple {2128#false} [120] L19-->L20: 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[] {2128#false} is VALID [2022-04-08 00:21:27,916 INFO L290 TraceCheckUtils]: 34: Hoare triple {2128#false} [124] L20-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2128#false} is VALID [2022-04-08 00:21:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-08 00:21:27,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-08 00:21:27,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 00:21:27,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550359109] [2022-04-08 00:21:27,917 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-08 00:21:27,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531428747] [2022-04-08 00:21:27,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531428747] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 00:21:27,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 00:21:27,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 00:21:27,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981134472] [2022-04-08 00:21:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 00:21:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-04-08 00:21:27,919 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 00:21:27,919 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 00:21:27,948 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:27,948 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 00:21:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-08 00:21:27,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 00:21:27,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 00:21:27,950 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 00:21:27,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:27,998 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2022-04-08 00:21:27,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 00:21:27,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-04-08 00:21:27,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 00:21:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 00:21:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-04-08 00:21:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 00:21:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-04-08 00:21:28,002 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 33 transitions. [2022-04-08 00:21:28,033 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 00:21:28,033 INFO L225 Difference]: With dead ends: 32 [2022-04-08 00:21:28,033 INFO L226 Difference]: Without dead ends: 0 [2022-04-08 00:21:28,034 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 00:21:28,034 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 00:21:28,034 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 00:21:28,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-08 00:21:28,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-08 00:21:28,035 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 00:21:28,035 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 00:21:28,035 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 00:21:28,035 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 00:21:28,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:28,036 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 00:21:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:21:28,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:28,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:28,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-08 00:21:28,036 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-08 00:21:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 00:21:28,036 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-08 00:21:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:21:28,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:28,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 00:21:28,036 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 00:21:28,037 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 00:21:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-08 00:21:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-08 00:21:28,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-04-08 00:21:28,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 00:21:28,037 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-08 00:21:28,037 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-04-08 00:21:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-08 00:21:28,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 00:21:28,040 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-08 00:21:28,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 00:21:28,240 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 00:21:28,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-08 00:21:34,420 WARN L232 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-04-08 00:21:34,477 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-08 00:21:34,477 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-08 00:21:34,477 INFO L878 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~counter~0) (<= ~counter~0 0)) [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-08 00:21:34,477 INFO L885 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 15 17) the Hoare annotation is: true [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-04-08 00:21:34,477 INFO L882 garLoopResultBuilder]: For program point L16-2(lines 15 17) no Hoare annotation was computed. [2022-04-08 00:21:34,478 INFO L882 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed. [2022-04-08 00:21:34,478 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 26 52) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (<= 0 ~counter~0) (<= ~counter~0 0)) (not (<= 0 |old(~counter~0)|))) [2022-04-08 00:21:34,478 INFO L878 garLoopResultBuilder]: At program point L31(line 31) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (<= 0 ~counter~0) (<= ~counter~0 0)) (not (<= 0 |old(~counter~0)|))) [2022-04-08 00:21:34,489 INFO L878 garLoopResultBuilder]: At program point L31-1(line 31) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (and (<= 0 ~counter~0) (<= ~counter~0 0)) (not (<= 0 |old(~counter~0)|))) [2022-04-08 00:21:34,489 INFO L882 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L878 garLoopResultBuilder]: At program point L36-3(lines 36 39) the Hoare annotation is: (let ((.cse0 (forall ((main_~b~0 Int)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296))))) (or (and (<= 2 ~counter~0) .cse0) (not (<= |old(~counter~0)| 0)) (and (<= ~counter~0 1) .cse0 (<= 1 ~counter~0)) (and (or (not (<= (mod main_~b~0 4294967296) (mod main_~r~0 4294967296))) .cse0) (<= 0 ~counter~0) (<= ~counter~0 0) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (= main_~B~0 main_~b~0)) (not (<= 0 |old(~counter~0)|)))) [2022-04-08 00:21:34,490 INFO L882 garLoopResultBuilder]: For program point L45-2(lines 26 52) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L882 garLoopResultBuilder]: For program point L36-1(lines 36 39) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L878 garLoopResultBuilder]: At program point L40-2(lines 40 49) the Hoare annotation is: (or (not (<= |old(~counter~0)| 0)) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (not (<= 0 |old(~counter~0)|))) [2022-04-08 00:21:34,490 INFO L882 garLoopResultBuilder]: For program point L40(lines 40 49) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L882 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L882 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-04-08 00:21:34,490 INFO L878 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (or (and (<= 2 ~counter~0) (= (mod main_~A~0 4294967296) (mod (+ main_~r~0 (* main_~b~0 main_~q~0)) 4294967296)) (= main_~B~0 main_~b~0)) (not (<= |old(~counter~0)| 0)) (not (<= 0 |old(~counter~0)|))) [2022-04-08 00:21:34,491 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 26 52) no Hoare annotation was computed. [2022-04-08 00:21:34,491 INFO L882 garLoopResultBuilder]: For program point L41-1(lines 40 49) no Hoare annotation was computed. [2022-04-08 00:21:34,491 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 26 52) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 18 24) the Hoare annotation is: true [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point L19(lines 19 22) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point L20(lines 20 21) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point L19-2(lines 18 24) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2022-04-08 00:21:34,492 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 18 24) no Hoare annotation was computed. [2022-04-08 00:21:34,496 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 00:21:34,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-08 00:21:34,502 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 00:21:34,503 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-08 00:21:34,503 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2022-04-08 00:21:34,503 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-08 00:21:34,503 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: L19-2 has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2022-04-08 00:21:34,504 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L50 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L45-2 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-04-08 00:21:34,505 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-08 00:21:34,506 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-04-08 00:21:34,506 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-08 00:21:34,506 INFO L163 areAnnotationChecker]: CFG has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-08 00:21:34,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,512 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,512 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.04 12:21:34 BasicIcfg [2022-04-08 00:21:34,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-08 00:21:34,522 INFO L158 Benchmark]: Toolchain (without parser) took 27128.33ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.8MB in the beginning and 199.6MB in the end (delta: -64.8MB). Peak memory consumption was 98.1MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,522 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-08 00:21:34,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.65ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.6MB in the beginning and 202.5MB in the end (delta: -67.9MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,523 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 226.5MB. Free memory was 202.5MB in the beginning and 201.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,523 INFO L158 Benchmark]: RCFGBuilder took 278.06ms. Allocated memory is still 226.5MB. Free memory was 201.0MB in the beginning and 188.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,523 INFO L158 Benchmark]: IcfgTransformer took 29.92ms. Allocated memory is still 226.5MB. Free memory was 188.6MB in the beginning and 186.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,524 INFO L158 Benchmark]: TraceAbstraction took 26587.13ms. Allocated memory is still 226.5MB. Free memory was 186.5MB in the beginning and 199.6MB in the end (delta: -13.1MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. [2022-04-08 00:21:34,526 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 0.10ms. Allocated memory is still 188.7MB. Free memory was 151.0MB in the beginning and 150.9MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.65ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 134.6MB in the beginning and 202.5MB in the end (delta: -67.9MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 226.5MB. Free memory was 202.5MB in the beginning and 201.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 278.06ms. Allocated memory is still 226.5MB. Free memory was 201.0MB in the beginning and 188.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 29.92ms. Allocated memory is still 226.5MB. Free memory was 188.6MB in the beginning and 186.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 26587.13ms. Allocated memory is still 226.5MB. Free memory was 186.5MB in the beginning and 199.6MB in the end (delta: -13.1MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] * 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 - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 672 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 17 IncrementalHoareTripleChecker+Unchecked, 418 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 254 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 249 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=6, InterpolantAutomatonStates: 38, 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, 8 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 32 NumberOfFragments, 201 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 293 ConstructedInterpolants, 9 QuantifiedInterpolants, 979 SizeOfPredicates, 15 NumberOfNonLiveVariables, 679 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 51/61 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] [2022-04-08 00:21:34,537 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~b~0,QUANTIFIED] Derived loop invariant: ((((2 <= counter && (forall main_~b~0 : int :: A % 4294967296 == (r + main_~b~0 * q) % 4294967296)) || !(\old(counter) <= 0)) || ((counter <= 1 && (forall main_~b~0 : int :: A % 4294967296 == (r + main_~b~0 * q) % 4294967296)) && 1 <= counter)) || (((((!(b % 4294967296 <= r % 4294967296) || (forall main_~b~0 : int :: A % 4294967296 == (r + main_~b~0 * q) % 4294967296)) && 0 <= counter) && counter <= 0) && A % 4294967296 == (r + b * q) % 4294967296) && B == b)) || !(0 <= \old(counter)) RESULT: Ultimate proved your program to be correct! [2022-04-08 00:21:34,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...