/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 18:56:56,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 18:56:56,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 18:56:56,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 18:56:56,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 18:56:56,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 18:56:56,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 18:56:56,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 18:56:56,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 18:56:56,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 18:56:56,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 18:56:56,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 18:56:56,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 18:56:56,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 18:56:56,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 18:56:56,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 18:56:56,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 18:56:56,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 18:56:56,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 18:56:56,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 18:56:56,686 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 18:56:56,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 18:56:56,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 18:56:56,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 18:56:56,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 18:56:56,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 18:56:56,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 18:56:56,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 18:56:56,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 18:56:56,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 18:56:56,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 18:56:56,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 18:56:56,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 18:56:56,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 18:56:56,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 18:56:56,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 18:56:56,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 18:56:56,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 18:56:56,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 18:56:56,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 18:56:56,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 18:56:56,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 18:56:56,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 18:56:56,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 18:56:56,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 18:56:56,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 18:56:56,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 18:56:56,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 18:56:56,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 18:56:56,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 18:56:56,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 18:56:56,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 18:56:56,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 18:56:56,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 18:56:56,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 18:56:56,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 18:56:56,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 18:56:56,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 18:56:56,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 18:56:56,715 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 18:56:56,715 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 18:56:56,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 18:56:56,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 18:56:56,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 18:56:56,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 18:56:56,904 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 18:56:56,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-27 18:56:56,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c19b506/529628bdb12c4f7f866ec9a9e099bedd/FLAG7da371ae5 [2022-04-27 18:56:57,313 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 18:56:57,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/hard-u_unwindbound2.c [2022-04-27 18:56:57,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c19b506/529628bdb12c4f7f866ec9a9e099bedd/FLAG7da371ae5 [2022-04-27 18:56:57,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88c19b506/529628bdb12c4f7f866ec9a9e099bedd [2022-04-27 18:56:57,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 18:56:57,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 18:56:57,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 18:56:57,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 18:56:57,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 18:56:57,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 06:56:57" (1/1) ... [2022-04-27 18:56:57,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4077a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:57, skipping insertion in model container [2022-04-27 18:56:57,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 06:56:57" (1/1) ... [2022-04-27 18:56:57,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 18:56:57,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 18:56:57,941 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/hard-u_unwindbound2.c[537,550] [2022-04-27 18:56:57,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 18:56:58,006 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 18:56:58,024 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/hard-u_unwindbound2.c[537,550] [2022-04-27 18:56:58,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 18:56:58,039 INFO L208 MainTranslator]: Completed translation [2022-04-27 18:56:58,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58 WrapperNode [2022-04-27 18:56:58,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 18:56:58,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 18:56:58,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 18:56:58,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 18:56:58,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 18:56:58,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 18:56:58,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 18:56:58,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 18:56:58,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 18:56:58,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:56:58,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-27 18:56:58,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-27 18:56:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 18:56:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 18:56:58,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 18:56:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-27 18:56:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 18:56:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 18:56:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 18:56:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 18:56:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 18:56:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 18:56:58,183 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 18:56:58,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 18:56:58,319 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 18:56:58,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 18:56:58,325 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-04-27 18:56:58,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:56:58 BoogieIcfgContainer [2022-04-27 18:56:58,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 18:56:58,327 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 18:56:58,327 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 18:56:58,328 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 18:56:58,330 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:56:58" (1/1) ... [2022-04-27 18:56:58,332 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 18:56:58,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 06:56:58 BasicIcfg [2022-04-27 18:56:58,360 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 18:56:58,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 18:56:58,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 18:56:58,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 18:56:58,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 06:56:57" (1/4) ... [2022-04-27 18:56:58,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab53745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:56:58, skipping insertion in model container [2022-04-27 18:56:58,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 06:56:58" (2/4) ... [2022-04-27 18:56:58,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab53745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 06:56:58, skipping insertion in model container [2022-04-27 18:56:58,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 06:56:58" (3/4) ... [2022-04-27 18:56:58,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab53745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 06:56:58, skipping insertion in model container [2022-04-27 18:56:58,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 06:56:58" (4/4) ... [2022-04-27 18:56:58,366 INFO L111 eAbstractionObserver]: Analyzing ICFG hard-u_unwindbound2.cJordan [2022-04-27 18:56:58,376 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 18:56:58,376 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 18:56:58,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 18:56:58,411 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4cc4e07e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d6b8c2b [2022-04-27 18:56:58,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 18:56:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-04-27 18:56:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 18:56:58,423 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:56:58,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:56:58,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:56:58,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:56:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash 79654685, now seen corresponding path program 1 times [2022-04-27 18:56:58,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:56:58,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502707576] [2022-04-27 18:56:58,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:56:58,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:56:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:58,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 18:56:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:58,637 INFO L290 TraceCheckUtils]: 0: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {40#true} is VALID [2022-04-27 18:56:58,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-27 18:56:58,638 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-27 18:56:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 18:56:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:58,651 INFO L290 TraceCheckUtils]: 0: Hoare triple {40#true} [107] assume_abort_if_notENTRY-->L12: 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] {40#true} is VALID [2022-04-27 18:56:58,652 INFO L290 TraceCheckUtils]: 1: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,652 INFO L290 TraceCheckUtils]: 2: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,653 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {41#false} is VALID [2022-04-27 18:56:58,654 INFO L272 TraceCheckUtils]: 0: Hoare triple {40#true} [99] 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 [2022-04-27 18:56:58,657 INFO L290 TraceCheckUtils]: 1: Hoare triple {49#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {40#true} is VALID [2022-04-27 18:56:58,657 INFO L290 TraceCheckUtils]: 2: Hoare triple {40#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-27 18:56:58,657 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-27 18:56:58,658 INFO L272 TraceCheckUtils]: 4: Hoare triple {40#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {40#true} is VALID [2022-04-27 18:56:58,658 INFO L290 TraceCheckUtils]: 5: Hoare triple {40#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {40#true} is VALID [2022-04-27 18:56:58,659 INFO L272 TraceCheckUtils]: 6: Hoare triple {40#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {40#true} is VALID [2022-04-27 18:56:58,660 INFO L290 TraceCheckUtils]: 7: Hoare triple {40#true} [107] assume_abort_if_notENTRY-->L12: 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] {40#true} is VALID [2022-04-27 18:56:58,660 INFO L290 TraceCheckUtils]: 8: Hoare triple {40#true} [110] L12-->L12-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,661 INFO L290 TraceCheckUtils]: 9: Hoare triple {41#false} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,661 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {41#false} {40#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {41#false} is VALID [2022-04-27 18:56:58,661 INFO L290 TraceCheckUtils]: 11: Hoare triple {41#false} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {41#false} is VALID [2022-04-27 18:56:58,661 INFO L290 TraceCheckUtils]: 12: Hoare triple {41#false} [108] L35-3-->L53-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,661 INFO L290 TraceCheckUtils]: 13: Hoare triple {41#false} [112] L53-2-->L45-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,663 INFO L272 TraceCheckUtils]: 14: Hoare triple {41#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {41#false} is VALID [2022-04-27 18:56:58,664 INFO L290 TraceCheckUtils]: 15: Hoare triple {41#false} [122] __VERIFIER_assertENTRY-->L15: 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] {41#false} is VALID [2022-04-27 18:56:58,664 INFO L290 TraceCheckUtils]: 16: Hoare triple {41#false} [126] L15-->L16: 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[] {41#false} is VALID [2022-04-27 18:56:58,664 INFO L290 TraceCheckUtils]: 17: Hoare triple {41#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41#false} is VALID [2022-04-27 18:56:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 18:56:58,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:56:58,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502707576] [2022-04-27 18:56:58,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502707576] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:56:58,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:56:58,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 18:56:58,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430941466] [2022-04-27 18:56:58,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:56:58,674 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 18:56:58,676 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:56:58,678 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:58,704 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:56:58,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 18:56:58,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:56:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 18:56:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 18:56:58,730 INFO L87 Difference]: Start difference. First operand has 37 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:58,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:58,875 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-04-27 18:56:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 18:56:58,876 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 18:56:58,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:56:58,877 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-27 18:56:58,883 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-04-27 18:56:58,887 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 53 transitions. [2022-04-27 18:56:58,933 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:56:58,939 INFO L225 Difference]: With dead ends: 38 [2022-04-27 18:56:58,939 INFO L226 Difference]: Without dead ends: 33 [2022-04-27 18:56:58,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 18:56:58,943 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:56:58,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 49 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 18:56:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-27 18:56:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-04-27 18:56:58,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:56:58,976 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:58,977 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:58,978 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:58,990 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-27 18:56:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-27 18:56:58,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:56:58,992 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:56:58,993 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-27 18:56:58,993 INFO L87 Difference]: Start difference. First operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 33 states. [2022-04-27 18:56:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:59,000 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-04-27 18:56:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-04-27 18:56:59,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:56:59,005 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:56:59,005 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:56:59,006 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:56:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 10 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-04-27 18:56:59,010 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 18 [2022-04-27 18:56:59,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:56:59,010 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-04-27 18:56:59,010 INFO L496 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, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-04-27 18:56:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 18:56:59,011 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:56:59,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:56:59,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 18:56:59,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:56:59,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:56:59,012 INFO L85 PathProgramCache]: Analyzing trace with hash -85369733, now seen corresponding path program 1 times [2022-04-27 18:56:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:56:59,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322421269] [2022-04-27 18:56:59,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:56:59,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:56:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 18:56:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:59,132 INFO L290 TraceCheckUtils]: 0: Hoare triple {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {188#true} is VALID [2022-04-27 18:56:59,133 INFO L290 TraceCheckUtils]: 1: Hoare triple {188#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,133 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {188#true} {188#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 18:56:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:59,138 INFO L290 TraceCheckUtils]: 0: Hoare triple {188#true} [107] assume_abort_if_notENTRY-->L12: 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] {188#true} is VALID [2022-04-27 18:56:59,139 INFO L290 TraceCheckUtils]: 1: Hoare triple {188#true} [111] L12-->L12-2: 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[] {188#true} is VALID [2022-04-27 18:56:59,139 INFO L290 TraceCheckUtils]: 2: Hoare triple {188#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,139 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {188#true} {188#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {188#true} is VALID [2022-04-27 18:56:59,140 INFO L272 TraceCheckUtils]: 0: Hoare triple {188#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 18:56:59,140 INFO L290 TraceCheckUtils]: 1: Hoare triple {200#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {188#true} is VALID [2022-04-27 18:56:59,140 INFO L290 TraceCheckUtils]: 2: Hoare triple {188#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,140 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {188#true} {188#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L272 TraceCheckUtils]: 4: Hoare triple {188#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L290 TraceCheckUtils]: 5: Hoare triple {188#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L272 TraceCheckUtils]: 6: Hoare triple {188#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L290 TraceCheckUtils]: 7: Hoare triple {188#true} [107] assume_abort_if_notENTRY-->L12: 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] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L290 TraceCheckUtils]: 8: Hoare triple {188#true} [111] L12-->L12-2: 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[] {188#true} is VALID [2022-04-27 18:56:59,141 INFO L290 TraceCheckUtils]: 9: Hoare triple {188#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {188#true} is VALID [2022-04-27 18:56:59,142 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {188#true} {188#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {188#true} is VALID [2022-04-27 18:56:59,142 INFO L290 TraceCheckUtils]: 11: Hoare triple {188#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {197#(= main_~q~0 0)} is VALID [2022-04-27 18:56:59,143 INFO L290 TraceCheckUtils]: 12: Hoare triple {197#(= main_~q~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {197#(= main_~q~0 0)} is VALID [2022-04-27 18:56:59,143 INFO L290 TraceCheckUtils]: 13: Hoare triple {197#(= main_~q~0 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {197#(= main_~q~0 0)} is VALID [2022-04-27 18:56:59,144 INFO L272 TraceCheckUtils]: 14: Hoare triple {197#(= main_~q~0 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {198#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:56:59,144 INFO L290 TraceCheckUtils]: 15: Hoare triple {198#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __VERIFIER_assertENTRY-->L15: 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] {199#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 18:56:59,147 INFO L290 TraceCheckUtils]: 16: Hoare triple {199#(not (= __VERIFIER_assert_~cond 0))} [126] L15-->L16: 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[] {189#false} is VALID [2022-04-27 18:56:59,147 INFO L290 TraceCheckUtils]: 17: Hoare triple {189#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {189#false} is VALID [2022-04-27 18:56:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 18:56:59,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:56:59,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322421269] [2022-04-27 18:56:59,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322421269] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:56:59,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:56:59,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 18:56:59,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854430944] [2022-04-27 18:56:59,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:56:59,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 18:56:59,149 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:56:59,150 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,166 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:56:59,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 18:56:59,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:56:59,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 18:56:59,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:56:59,170 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:59,552 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-27 18:56:59,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 18:56:59,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-27 18:56:59,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:56:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-27 18:56:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-27 18:56:59,558 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 61 transitions. [2022-04-27 18:56:59,625 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:56:59,626 INFO L225 Difference]: With dead ends: 45 [2022-04-27 18:56:59,626 INFO L226 Difference]: Without dead ends: 45 [2022-04-27 18:56:59,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-27 18:56:59,627 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 28 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 18:56:59,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 90 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 18:56:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-27 18:56:59,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2022-04-27 18:56:59,631 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:56:59,631 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:59,632 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:59,632 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:59,635 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-27 18:56:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-27 18:56:59,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:56:59,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:56:59,636 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-27 18:56:59,636 INFO L87 Difference]: Start difference. First operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 45 states. [2022-04-27 18:56:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:56:59,639 INFO L93 Difference]: Finished difference Result 45 states and 60 transitions. [2022-04-27 18:56:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-04-27 18:56:59,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:56:59,640 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:56:59,640 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:56:59,640 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:56:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 22 states have internal predecessors, (27), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:56:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-04-27 18:56:59,642 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 18 [2022-04-27 18:56:59,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:56:59,642 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-04-27 18:56:59,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 18:56:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-04-27 18:56:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-27 18:56:59,643 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:56:59,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:56:59,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 18:56:59,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:56:59,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:56:59,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1527809342, now seen corresponding path program 1 times [2022-04-27 18:56:59,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:56:59,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033550365] [2022-04-27 18:56:59,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:56:59,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:56:59,662 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:56:59,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366457019] [2022-04-27 18:56:59,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:56:59,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:56:59,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:56:59,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:56:59,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 18:56:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:59,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-27 18:56:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:56:59,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:56:59,876 INFO L272 TraceCheckUtils]: 0: Hoare triple {382#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {382#true} is VALID [2022-04-27 18:56:59,877 INFO L290 TraceCheckUtils]: 1: Hoare triple {382#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,878 INFO L290 TraceCheckUtils]: 2: Hoare triple {390#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,878 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {390#(<= ~counter~0 0)} {382#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,878 INFO L272 TraceCheckUtils]: 4: Hoare triple {390#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,879 INFO L290 TraceCheckUtils]: 5: Hoare triple {390#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,879 INFO L272 TraceCheckUtils]: 6: Hoare triple {390#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,880 INFO L290 TraceCheckUtils]: 7: Hoare triple {390#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: 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] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,880 INFO L290 TraceCheckUtils]: 8: Hoare triple {390#(<= ~counter~0 0)} [111] L12-->L12-2: 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[] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,881 INFO L290 TraceCheckUtils]: 9: Hoare triple {390#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,881 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {390#(<= ~counter~0 0)} {390#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,882 INFO L290 TraceCheckUtils]: 11: Hoare triple {390#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {390#(<= ~counter~0 0)} is VALID [2022-04-27 18:56:59,882 INFO L290 TraceCheckUtils]: 12: Hoare triple {390#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {424#(<= |main_#t~post6| 0)} is VALID [2022-04-27 18:56:59,883 INFO L290 TraceCheckUtils]: 13: Hoare triple {424#(<= |main_#t~post6| 0)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {383#false} is VALID [2022-04-27 18:56:59,883 INFO L290 TraceCheckUtils]: 14: Hoare triple {383#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {383#false} is VALID [2022-04-27 18:56:59,883 INFO L290 TraceCheckUtils]: 15: Hoare triple {383#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {383#false} is VALID [2022-04-27 18:56:59,883 INFO L272 TraceCheckUtils]: 16: Hoare triple {383#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {383#false} is VALID [2022-04-27 18:56:59,883 INFO L290 TraceCheckUtils]: 17: Hoare triple {383#false} [122] __VERIFIER_assertENTRY-->L15: 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] {383#false} is VALID [2022-04-27 18:56:59,884 INFO L290 TraceCheckUtils]: 18: Hoare triple {383#false} [126] L15-->L16: 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[] {383#false} is VALID [2022-04-27 18:56:59,884 INFO L290 TraceCheckUtils]: 19: Hoare triple {383#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {383#false} is VALID [2022-04-27 18:56:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 18:56:59,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 18:56:59,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:56:59,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033550365] [2022-04-27 18:56:59,885 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:56:59,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366457019] [2022-04-27 18:56:59,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366457019] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:56:59,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:56:59,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-27 18:56:59,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701533467] [2022-04-27 18:56:59,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:56:59,886 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-27 18:56:59,886 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:56:59,886 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 18:56:59,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:56:59,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-27 18:56:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:56:59,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-27 18:56:59,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 18:56:59,904 INFO L87 Difference]: Start difference. First operand 36 states and 45 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 18:57:00,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,006 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-27 18:57:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-27 18:57:00,006 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2022-04-27 18:57:00,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:00,006 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 18:57:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-27 18:57:00,008 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 18:57:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 45 transitions. [2022-04-27 18:57:00,009 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 45 transitions. [2022-04-27 18:57:00,046 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:00,047 INFO L225 Difference]: With dead ends: 38 [2022-04-27 18:57:00,047 INFO L226 Difference]: Without dead ends: 38 [2022-04-27 18:57:00,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 18:57:00,048 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 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 [2022-04-27 18:57:00,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 18:57:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-27 18:57:00,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-04-27 18:57:00,052 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:00,052 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,052 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,053 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,054 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-27 18:57:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-27 18:57:00,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:00,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:00,055 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-27 18:57:00,056 INFO L87 Difference]: Start difference. First operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 38 states. [2022-04-27 18:57:00,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,057 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-04-27 18:57:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-27 18:57:00,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:00,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:00,058 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:00,058 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-04-27 18:57:00,060 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 20 [2022-04-27 18:57:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:00,060 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-04-27 18:57:00,060 INFO L496 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-27 18:57:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-04-27 18:57:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-27 18:57:00,061 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:00,061 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:57:00,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-27 18:57:00,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:00,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:00,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:00,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2128444854, now seen corresponding path program 1 times [2022-04-27 18:57:00,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:00,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615130874] [2022-04-27 18:57:00,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:00,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 18:57:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {597#true} is VALID [2022-04-27 18:57:00,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,358 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {597#true} {597#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 18:57:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,363 INFO L290 TraceCheckUtils]: 0: Hoare triple {597#true} [107] assume_abort_if_notENTRY-->L12: 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] {597#true} is VALID [2022-04-27 18:57:00,363 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [111] L12-->L12-2: 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[] {597#true} is VALID [2022-04-27 18:57:00,363 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,364 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {597#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {597#true} is VALID [2022-04-27 18:57:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-04-27 18:57:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,380 INFO L290 TraceCheckUtils]: 0: Hoare triple {597#true} [122] __VERIFIER_assertENTRY-->L15: 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] {597#true} is VALID [2022-04-27 18:57:00,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {597#true} [127] L15-->L15-2: 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[] {597#true} is VALID [2022-04-27 18:57:00,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,381 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-27 18:57:00,382 INFO L272 TraceCheckUtils]: 0: Hoare triple {597#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 18:57:00,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {613#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {597#true} is VALID [2022-04-27 18:57:00,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {597#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {597#true} {597#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L272 TraceCheckUtils]: 4: Hoare triple {597#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L290 TraceCheckUtils]: 5: Hoare triple {597#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L272 TraceCheckUtils]: 6: Hoare triple {597#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L290 TraceCheckUtils]: 7: Hoare triple {597#true} [107] assume_abort_if_notENTRY-->L12: 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] {597#true} is VALID [2022-04-27 18:57:00,383 INFO L290 TraceCheckUtils]: 8: Hoare triple {597#true} [111] L12-->L12-2: 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[] {597#true} is VALID [2022-04-27 18:57:00,384 INFO L290 TraceCheckUtils]: 9: Hoare triple {597#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,384 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {597#true} {597#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {597#true} is VALID [2022-04-27 18:57:00,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {597#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-27 18:57:00,385 INFO L290 TraceCheckUtils]: 12: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-27 18:57:00,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-27 18:57:00,385 INFO L272 TraceCheckUtils]: 14: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {597#true} is VALID [2022-04-27 18:57:00,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {597#true} [122] __VERIFIER_assertENTRY-->L15: 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] {597#true} is VALID [2022-04-27 18:57:00,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {597#true} [127] L15-->L15-2: 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[] {597#true} is VALID [2022-04-27 18:57:00,386 INFO L290 TraceCheckUtils]: 17: Hoare triple {597#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {597#true} is VALID [2022-04-27 18:57:00,387 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {597#true} {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} is VALID [2022-04-27 18:57:00,388 INFO L272 TraceCheckUtils]: 19: Hoare triple {606#(= (+ main_~A~0 (* (- 1) main_~r~0)) 0)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {611#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 18:57:00,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {611#(not (= |__VERIFIER_assert_#in~cond| 0))} [122] __VERIFIER_assertENTRY-->L15: 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] {612#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 18:57:00,389 INFO L290 TraceCheckUtils]: 21: Hoare triple {612#(not (= __VERIFIER_assert_~cond 0))} [126] L15-->L16: 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[] {598#false} is VALID [2022-04-27 18:57:00,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {598#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {598#false} is VALID [2022-04-27 18:57:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 18:57:00,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:00,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615130874] [2022-04-27 18:57:00,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615130874] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:57:00,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:57:00,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 18:57:00,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491503898] [2022-04-27 18:57:00,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:57:00,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 18:57:00,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:00,391 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), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 18:57:00,407 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 18:57:00,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 18:57:00,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:57:00,408 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 18:57:00,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,761 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-27 18:57:00,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-27 18:57:00,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-04-27 18:57:00,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 18:57:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-27 18:57:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 18:57:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2022-04-27 18:57:00,764 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 61 transitions. [2022-04-27 18:57:00,820 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:00,821 INFO L225 Difference]: With dead ends: 50 [2022-04-27 18:57:00,821 INFO L226 Difference]: Without dead ends: 50 [2022-04-27 18:57:00,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-04-27 18:57:00,822 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 23 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:00,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 18:57:00,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-27 18:57:00,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2022-04-27 18:57:00,825 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:00,826 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,826 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,826 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,828 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-27 18:57:00,828 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-27 18:57:00,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:00,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:00,829 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-27 18:57:00,829 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand 50 states. [2022-04-27 18:57:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:00,831 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2022-04-27 18:57:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-04-27 18:57:00,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:00,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:00,832 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:00,832 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-04-27 18:57:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-04-27 18:57:00,833 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 23 [2022-04-27 18:57:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:00,833 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-04-27 18:57:00,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-04-27 18:57:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-04-27 18:57:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-27 18:57:00,834 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:00,834 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:57:00,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-27 18:57:00,834 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash 135546551, now seen corresponding path program 1 times [2022-04-27 18:57:00,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:00,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671469113] [2022-04-27 18:57:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:00,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:00,865 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:00,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140447940] [2022-04-27 18:57:00,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:00,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:57:00,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 18:57:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 18:57:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:00,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:57:01,057 INFO L272 TraceCheckUtils]: 0: Hoare triple {816#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,057 INFO L290 TraceCheckUtils]: 1: Hoare triple {816#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {816#true} is VALID [2022-04-27 18:57:01,057 INFO L290 TraceCheckUtils]: 2: Hoare triple {816#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,057 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {816#true} {816#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,057 INFO L272 TraceCheckUtils]: 4: Hoare triple {816#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L290 TraceCheckUtils]: 5: Hoare triple {816#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L272 TraceCheckUtils]: 6: Hoare triple {816#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L290 TraceCheckUtils]: 7: Hoare triple {816#true} [107] assume_abort_if_notENTRY-->L12: 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] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L290 TraceCheckUtils]: 8: Hoare triple {816#true} [111] L12-->L12-2: 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[] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L290 TraceCheckUtils]: 9: Hoare triple {816#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,058 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {816#true} {816#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {816#true} is VALID [2022-04-27 18:57:01,059 INFO L290 TraceCheckUtils]: 11: Hoare triple {816#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:01,060 INFO L290 TraceCheckUtils]: 12: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:01,060 INFO L290 TraceCheckUtils]: 13: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:01,060 INFO L272 TraceCheckUtils]: 14: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {816#true} is VALID [2022-04-27 18:57:01,061 INFO L290 TraceCheckUtils]: 15: Hoare triple {816#true} [122] __VERIFIER_assertENTRY-->L15: 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] {816#true} is VALID [2022-04-27 18:57:01,061 INFO L290 TraceCheckUtils]: 16: Hoare triple {816#true} [127] L15-->L15-2: 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[] {816#true} is VALID [2022-04-27 18:57:01,061 INFO L290 TraceCheckUtils]: 17: Hoare triple {816#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,062 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {816#true} {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:01,062 INFO L272 TraceCheckUtils]: 19: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {816#true} is VALID [2022-04-27 18:57:01,062 INFO L290 TraceCheckUtils]: 20: Hoare triple {816#true} [122] __VERIFIER_assertENTRY-->L15: 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] {816#true} is VALID [2022-04-27 18:57:01,062 INFO L290 TraceCheckUtils]: 21: Hoare triple {816#true} [127] L15-->L15-2: 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[] {816#true} is VALID [2022-04-27 18:57:01,063 INFO L290 TraceCheckUtils]: 22: Hoare triple {816#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {816#true} is VALID [2022-04-27 18:57:01,073 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {816#true} {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:01,073 INFO L272 TraceCheckUtils]: 24: Hoare triple {854#(and (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {894#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:57:01,074 INFO L290 TraceCheckUtils]: 25: Hoare triple {894#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: 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] {898#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:57:01,074 INFO L290 TraceCheckUtils]: 26: Hoare triple {898#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: 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[] {817#false} is VALID [2022-04-27 18:57:01,074 INFO L290 TraceCheckUtils]: 27: Hoare triple {817#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {817#false} is VALID [2022-04-27 18:57:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-27 18:57:01,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 18:57:01,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:01,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671469113] [2022-04-27 18:57:01,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:57:01,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140447940] [2022-04-27 18:57:01,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140447940] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:57:01,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:57:01,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 18:57:01,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808955697] [2022-04-27 18:57:01,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:57:01,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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 28 [2022-04-27 18:57:01,076 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:01,076 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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) [2022-04-27 18:57:01,097 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:01,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 18:57:01,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:01,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 18:57:01,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-27 18:57:01,098 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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) [2022-04-27 18:57:03,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-04-27 18:57:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:03,434 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2022-04-27 18:57:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 18:57:03,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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 28 [2022-04-27 18:57:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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) [2022-04-27 18:57:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-27 18:57:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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) [2022-04-27 18:57:03,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 68 transitions. [2022-04-27 18:57:03,437 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 68 transitions. [2022-04-27 18:57:03,499 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:03,500 INFO L225 Difference]: With dead ends: 57 [2022-04-27 18:57:03,500 INFO L226 Difference]: Without dead ends: 56 [2022-04-27 18:57:03,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:57:03,500 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:03,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-04-27 18:57:03,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-27 18:57:03,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-27 18:57:03,504 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:03,504 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:03,504 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:03,504 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:03,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:03,506 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-27 18:57:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-27 18:57:03,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:03,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:03,507 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-27 18:57:03,507 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 56 states. [2022-04-27 18:57:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:03,509 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2022-04-27 18:57:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-27 18:57:03,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:03,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:03,509 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:03,509 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 16 states have call successors, (16), 7 states have call predecessors, (16), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-04-27 18:57:03,511 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 28 [2022-04-27 18:57:03,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:03,511 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-04-27 18:57:03,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (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) [2022-04-27 18:57:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-04-27 18:57:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-27 18:57:03,511 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:03,512 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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, 1] [2022-04-27 18:57:03,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 18:57:03,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:03,727 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:03,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:03,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1016025214, now seen corresponding path program 1 times [2022-04-27 18:57:03,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:03,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789392149] [2022-04-27 18:57:03,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:03,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:03,748 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:03,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375380905] [2022-04-27 18:57:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:03,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:03,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:03,749 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:57:03,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 18:57:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:03,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 18:57:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:03,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:57:03,949 INFO L272 TraceCheckUtils]: 0: Hoare triple {1131#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1131#true} is VALID [2022-04-27 18:57:03,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {1131#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,950 INFO L290 TraceCheckUtils]: 2: Hoare triple {1139#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,951 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1139#(<= ~counter~0 0)} {1131#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,951 INFO L272 TraceCheckUtils]: 4: Hoare triple {1139#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,951 INFO L290 TraceCheckUtils]: 5: Hoare triple {1139#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,952 INFO L272 TraceCheckUtils]: 6: Hoare triple {1139#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,952 INFO L290 TraceCheckUtils]: 7: Hoare triple {1139#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: 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] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,953 INFO L290 TraceCheckUtils]: 8: Hoare triple {1139#(<= ~counter~0 0)} [111] L12-->L12-2: 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[] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,953 INFO L290 TraceCheckUtils]: 9: Hoare triple {1139#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,953 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1139#(<= ~counter~0 0)} {1139#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,954 INFO L290 TraceCheckUtils]: 11: Hoare triple {1139#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1139#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:03,954 INFO L290 TraceCheckUtils]: 12: Hoare triple {1139#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,955 INFO L290 TraceCheckUtils]: 13: Hoare triple {1173#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,955 INFO L272 TraceCheckUtils]: 14: Hoare triple {1173#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,955 INFO L290 TraceCheckUtils]: 15: Hoare triple {1173#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,956 INFO L290 TraceCheckUtils]: 16: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,956 INFO L290 TraceCheckUtils]: 17: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,957 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,957 INFO L272 TraceCheckUtils]: 19: Hoare triple {1173#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,957 INFO L290 TraceCheckUtils]: 20: Hoare triple {1173#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,958 INFO L290 TraceCheckUtils]: 21: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,958 INFO L290 TraceCheckUtils]: 22: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,959 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,959 INFO L272 TraceCheckUtils]: 24: Hoare triple {1173#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,959 INFO L290 TraceCheckUtils]: 25: Hoare triple {1173#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,960 INFO L290 TraceCheckUtils]: 26: Hoare triple {1173#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,960 INFO L290 TraceCheckUtils]: 27: Hoare triple {1173#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,961 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1173#(<= ~counter~0 1)} {1173#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,961 INFO L290 TraceCheckUtils]: 29: Hoare triple {1173#(<= ~counter~0 1)} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1173#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:03,961 INFO L290 TraceCheckUtils]: 30: Hoare triple {1173#(<= ~counter~0 1)} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1228#(<= |main_#t~post7| 1)} is VALID [2022-04-27 18:57:03,962 INFO L290 TraceCheckUtils]: 31: Hoare triple {1228#(<= |main_#t~post7| 1)} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1132#false} is VALID [2022-04-27 18:57:03,962 INFO L272 TraceCheckUtils]: 32: Hoare triple {1132#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1132#false} is VALID [2022-04-27 18:57:03,962 INFO L290 TraceCheckUtils]: 33: Hoare triple {1132#false} [122] __VERIFIER_assertENTRY-->L15: 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] {1132#false} is VALID [2022-04-27 18:57:03,962 INFO L290 TraceCheckUtils]: 34: Hoare triple {1132#false} [126] L15-->L16: 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[] {1132#false} is VALID [2022-04-27 18:57:03,962 INFO L290 TraceCheckUtils]: 35: Hoare triple {1132#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1132#false} is VALID [2022-04-27 18:57:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 18:57:03,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 18:57:03,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:03,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789392149] [2022-04-27 18:57:03,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:57:03,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375380905] [2022-04-27 18:57:03,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375380905] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:57:03,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:57:03,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-27 18:57:03,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134575121] [2022-04-27 18:57:03,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:57:03,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-27 18:57:03,964 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:03,964 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 18:57:03,986 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:03,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 18:57:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:03,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 18:57:03,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-27 18:57:03,987 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 18:57:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:04,121 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-27 18:57:04,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 18:57:04,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 36 [2022-04-27 18:57:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 18:57:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-27 18:57:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 18:57:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2022-04-27 18:57:04,124 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 59 transitions. [2022-04-27 18:57:04,167 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:04,168 INFO L225 Difference]: With dead ends: 69 [2022-04-27 18:57:04,168 INFO L226 Difference]: Without dead ends: 69 [2022-04-27 18:57:04,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-27 18:57:04,168 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:04,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 136 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 18:57:04,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-27 18:57:04,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-04-27 18:57:04,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:04,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:04,172 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:04,172 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:04,174 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-27 18:57:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-27 18:57:04,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:04,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:04,174 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-27 18:57:04,175 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 69 states. [2022-04-27 18:57:04,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:04,176 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2022-04-27 18:57:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-04-27 18:57:04,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:04,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:04,176 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:04,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 16 states have call successors, (16), 10 states have call predecessors, (16), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-27 18:57:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-04-27 18:57:04,178 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 36 [2022-04-27 18:57:04,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:04,178 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-04-27 18:57:04,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-27 18:57:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-04-27 18:57:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-27 18:57:04,179 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:04,179 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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, 1] [2022-04-27 18:57:04,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 18:57:04,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:04,395 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:04,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:04,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1017127481, now seen corresponding path program 1 times [2022-04-27 18:57:04,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:04,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187598279] [2022-04-27 18:57:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:04,416 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:04,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816222827] [2022-04-27 18:57:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:04,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:57:04,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-27 18:57:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:04,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-27 18:57:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:04,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:57:04,976 INFO L272 TraceCheckUtils]: 0: Hoare triple {1518#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,976 INFO L290 TraceCheckUtils]: 1: Hoare triple {1518#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {1518#true} is VALID [2022-04-27 18:57:04,976 INFO L290 TraceCheckUtils]: 2: Hoare triple {1518#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,976 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1518#true} {1518#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,976 INFO L272 TraceCheckUtils]: 4: Hoare triple {1518#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,977 INFO L290 TraceCheckUtils]: 5: Hoare triple {1518#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1518#true} is VALID [2022-04-27 18:57:04,977 INFO L272 TraceCheckUtils]: 6: Hoare triple {1518#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1518#true} is VALID [2022-04-27 18:57:04,977 INFO L290 TraceCheckUtils]: 7: Hoare triple {1518#true} [107] assume_abort_if_notENTRY-->L12: 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] {1518#true} is VALID [2022-04-27 18:57:04,977 INFO L290 TraceCheckUtils]: 8: Hoare triple {1518#true} [111] L12-->L12-2: 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[] {1518#true} is VALID [2022-04-27 18:57:04,978 INFO L290 TraceCheckUtils]: 9: Hoare triple {1518#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,979 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1518#true} {1518#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1518#true} is VALID [2022-04-27 18:57:04,979 INFO L290 TraceCheckUtils]: 11: Hoare triple {1518#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,980 INFO L290 TraceCheckUtils]: 12: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,980 INFO L290 TraceCheckUtils]: 13: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,980 INFO L272 TraceCheckUtils]: 14: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1518#true} is VALID [2022-04-27 18:57:04,980 INFO L290 TraceCheckUtils]: 15: Hoare triple {1518#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1518#true} is VALID [2022-04-27 18:57:04,981 INFO L290 TraceCheckUtils]: 16: Hoare triple {1518#true} [127] L15-->L15-2: 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[] {1518#true} is VALID [2022-04-27 18:57:04,981 INFO L290 TraceCheckUtils]: 17: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,982 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,984 INFO L272 TraceCheckUtils]: 19: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1518#true} is VALID [2022-04-27 18:57:04,984 INFO L290 TraceCheckUtils]: 20: Hoare triple {1518#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1518#true} is VALID [2022-04-27 18:57:04,984 INFO L290 TraceCheckUtils]: 21: Hoare triple {1518#true} [127] L15-->L15-2: 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[] {1518#true} is VALID [2022-04-27 18:57:04,984 INFO L290 TraceCheckUtils]: 22: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,986 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,986 INFO L272 TraceCheckUtils]: 24: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1518#true} is VALID [2022-04-27 18:57:04,986 INFO L290 TraceCheckUtils]: 25: Hoare triple {1518#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1518#true} is VALID [2022-04-27 18:57:04,986 INFO L290 TraceCheckUtils]: 26: Hoare triple {1518#true} [127] L15-->L15-2: 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[] {1518#true} is VALID [2022-04-27 18:57:04,986 INFO L290 TraceCheckUtils]: 27: Hoare triple {1518#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1518#true} is VALID [2022-04-27 18:57:04,986 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1518#true} {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} is VALID [2022-04-27 18:57:04,987 INFO L290 TraceCheckUtils]: 29: Hoare triple {1556#(and (= main_~A~0 main_~r~0) (= main_~q~0 0) (= main_~B~0 main_~d~0))} [136] L38-->L53-2: Formula: (not (<= (mod v_main_~d~0_4 4294967296) (mod v_main_~r~0_4 4294967296))) InVars {main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} OutVars{main_~d~0=v_main_~d~0_4, main_~r~0=v_main_~r~0_4} AuxVars[] AssignedVars[] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-27 18:57:04,987 INFO L290 TraceCheckUtils]: 30: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-27 18:57:04,990 INFO L290 TraceCheckUtils]: 31: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [119] L45-->L46: Formula: (< |v_main_#t~post7_5| 2) InVars {main_#t~post7=|v_main_#t~post7_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} is VALID [2022-04-27 18:57:04,991 INFO L272 TraceCheckUtils]: 32: Hoare triple {1611#(and (= main_~A~0 main_~r~0) (not (<= (mod main_~B~0 4294967296) (mod main_~r~0 4294967296))) (= main_~q~0 0))} [123] L46-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod (+ (* v_main_~q~0_9 v_main_~B~0_12) v_main_~r~0_12) 4294967296) (mod v_main_~A~0_9 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_4|) InVars {main_~q~0=v_main_~q~0_9, main_~B~0=v_main_~B~0_12, main_~A~0=v_main_~A~0_9, main_~r~0=v_main_~r~0_12} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_4|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~B~0, main_~A~0, main_~r~0] {1621#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:57:04,991 INFO L290 TraceCheckUtils]: 33: Hoare triple {1621#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: 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] {1625#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:57:04,992 INFO L290 TraceCheckUtils]: 34: Hoare triple {1625#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: 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[] {1519#false} is VALID [2022-04-27 18:57:04,992 INFO L290 TraceCheckUtils]: 35: Hoare triple {1519#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1519#false} is VALID [2022-04-27 18:57:04,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 18:57:04,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-27 18:57:04,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:04,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187598279] [2022-04-27 18:57:04,992 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:57:04,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816222827] [2022-04-27 18:57:04,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816222827] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 18:57:04,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 18:57:04,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 18:57:04,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680883153] [2022-04-27 18:57:04,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:57:04,993 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-27 18:57:04,994 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:04,994 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:57:05,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:05,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 18:57:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:05,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 18:57:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:57:05,016 INFO L87 Difference]: Start difference. First operand 68 states and 79 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:57:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:09,148 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2022-04-27 18:57:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-27 18:57:09,148 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-04-27 18:57:09,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:09,148 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:57:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-04-27 18:57:09,150 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:57:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-04-27 18:57:09,151 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 79 transitions. [2022-04-27 18:57:09,316 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:09,317 INFO L225 Difference]: With dead ends: 80 [2022-04-27 18:57:09,317 INFO L226 Difference]: Without dead ends: 79 [2022-04-27 18:57:09,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-04-27 18:57:09,318 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:09,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 162 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-27 18:57:09,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-04-27 18:57:09,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-04-27 18:57:09,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:09,321 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:09,321 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:09,322 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:09,327 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-27 18:57:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-27 18:57:09,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:09,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:09,328 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-27 18:57:09,329 INFO L87 Difference]: Start difference. First operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 79 states. [2022-04-27 18:57:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:09,331 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2022-04-27 18:57:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2022-04-27 18:57:09,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:09,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:09,331 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:09,331 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 51 states have internal predecessors, (59), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 93 transitions. [2022-04-27 18:57:09,339 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 93 transitions. Word has length 36 [2022-04-27 18:57:09,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:09,339 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 93 transitions. [2022-04-27 18:57:09,339 INFO L496 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-27 18:57:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2022-04-27 18:57:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-27 18:57:09,340 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:09,340 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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, 1] [2022-04-27 18:57:09,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-27 18:57:09,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:09,555 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:09,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1880362404, now seen corresponding path program 1 times [2022-04-27 18:57:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:09,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836301549] [2022-04-27 18:57:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:09,568 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:09,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629215954] [2022-04-27 18:57:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:09,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:09,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:09,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 18:57:09,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-27 18:57:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:09,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 18:57:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:09,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:57:09,847 INFO L272 TraceCheckUtils]: 0: Hoare triple {1951#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:09,847 INFO L290 TraceCheckUtils]: 1: Hoare triple {1951#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,848 INFO L290 TraceCheckUtils]: 2: Hoare triple {1959#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,848 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1959#(<= ~counter~0 0)} {1951#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,849 INFO L272 TraceCheckUtils]: 4: Hoare triple {1959#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,849 INFO L290 TraceCheckUtils]: 5: Hoare triple {1959#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,849 INFO L272 TraceCheckUtils]: 6: Hoare triple {1959#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,850 INFO L290 TraceCheckUtils]: 7: Hoare triple {1959#(<= ~counter~0 0)} [107] assume_abort_if_notENTRY-->L12: 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,850 INFO L290 TraceCheckUtils]: 8: Hoare triple {1959#(<= ~counter~0 0)} [111] L12-->L12-2: 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[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,850 INFO L290 TraceCheckUtils]: 9: Hoare triple {1959#(<= ~counter~0 0)} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,851 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1959#(<= ~counter~0 0)} {1959#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,851 INFO L290 TraceCheckUtils]: 11: Hoare triple {1959#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:09,852 INFO L290 TraceCheckUtils]: 12: Hoare triple {1959#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,852 INFO L290 TraceCheckUtils]: 13: Hoare triple {1993#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,853 INFO L272 TraceCheckUtils]: 14: Hoare triple {1993#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,853 INFO L290 TraceCheckUtils]: 15: Hoare triple {1993#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,853 INFO L290 TraceCheckUtils]: 16: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,853 INFO L290 TraceCheckUtils]: 17: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,854 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,854 INFO L272 TraceCheckUtils]: 19: Hoare triple {1993#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,855 INFO L290 TraceCheckUtils]: 20: Hoare triple {1993#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,855 INFO L290 TraceCheckUtils]: 21: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,855 INFO L290 TraceCheckUtils]: 22: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,856 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,856 INFO L272 TraceCheckUtils]: 24: Hoare triple {1993#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,857 INFO L290 TraceCheckUtils]: 25: Hoare triple {1993#(<= ~counter~0 1)} [122] __VERIFIER_assertENTRY-->L15: 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] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,857 INFO L290 TraceCheckUtils]: 26: Hoare triple {1993#(<= ~counter~0 1)} [127] L15-->L15-2: 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[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,857 INFO L290 TraceCheckUtils]: 27: Hoare triple {1993#(<= ~counter~0 1)} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,858 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1993#(<= ~counter~0 1)} {1993#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,858 INFO L290 TraceCheckUtils]: 29: Hoare triple {1993#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:09,859 INFO L290 TraceCheckUtils]: 30: Hoare triple {1993#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2048#(<= |main_#t~post6| 1)} is VALID [2022-04-27 18:57:09,859 INFO L290 TraceCheckUtils]: 31: Hoare triple {2048#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1952#false} is VALID [2022-04-27 18:57:09,859 INFO L290 TraceCheckUtils]: 32: Hoare triple {1952#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1952#false} is VALID [2022-04-27 18:57:09,859 INFO L290 TraceCheckUtils]: 33: Hoare triple {1952#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1952#false} is VALID [2022-04-27 18:57:09,859 INFO L272 TraceCheckUtils]: 34: Hoare triple {1952#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1952#false} is VALID [2022-04-27 18:57:09,859 INFO L290 TraceCheckUtils]: 35: Hoare triple {1952#false} [122] __VERIFIER_assertENTRY-->L15: 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] {1952#false} is VALID [2022-04-27 18:57:09,860 INFO L290 TraceCheckUtils]: 36: Hoare triple {1952#false} [126] L15-->L16: 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[] {1952#false} is VALID [2022-04-27 18:57:09,860 INFO L290 TraceCheckUtils]: 37: Hoare triple {1952#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1952#false} is VALID [2022-04-27 18:57:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 18:57:09,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 18:57:10,075 INFO L290 TraceCheckUtils]: 37: Hoare triple {1952#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1952#false} is VALID [2022-04-27 18:57:10,075 INFO L290 TraceCheckUtils]: 36: Hoare triple {1952#false} [126] L15-->L16: 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[] {1952#false} is VALID [2022-04-27 18:57:10,075 INFO L290 TraceCheckUtils]: 35: Hoare triple {1952#false} [122] __VERIFIER_assertENTRY-->L15: 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] {1952#false} is VALID [2022-04-27 18:57:10,075 INFO L272 TraceCheckUtils]: 34: Hoare triple {1952#false} [117] L45-2-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_6| (ite (= (mod (+ (* v_main_~q~0_10 v_main_~d~0_16) v_main_~r~0_13) 4294967296) (mod v_main_~A~0_10 4294967296)) 1 0)) InVars {main_~q~0=v_main_~q~0_10, main_~d~0=v_main_~d~0_16, main_~A~0=v_main_~A~0_10, main_~r~0=v_main_~r~0_13} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_6|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~d~0, main_~A~0, main_~r~0] {1952#false} is VALID [2022-04-27 18:57:10,076 INFO L290 TraceCheckUtils]: 33: Hoare triple {1952#false} [118] L45-->L45-2: Formula: (not (< |v_main_#t~post7_3| 2)) InVars {main_#t~post7=|v_main_#t~post7_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post7] {1952#false} is VALID [2022-04-27 18:57:10,076 INFO L290 TraceCheckUtils]: 32: Hoare triple {1952#false} [113] L53-2-->L45: Formula: (and (= |v_main_#t~post7_1| v_~counter~0_4) (= (+ |v_main_#t~post7_1| 1) v_~counter~0_3)) InVars {~counter~0=v_~counter~0_4} OutVars{~counter~0=v_~counter~0_3, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post7] {1952#false} is VALID [2022-04-27 18:57:10,083 INFO L290 TraceCheckUtils]: 31: Hoare triple {2048#(<= |main_#t~post6| 1)} [114] L35-1-->L53-2: Formula: (not (< |v_main_#t~post6_3| 2)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1952#false} is VALID [2022-04-27 18:57:10,083 INFO L290 TraceCheckUtils]: 30: Hoare triple {1993#(<= ~counter~0 1)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2048#(<= |main_#t~post6| 1)} is VALID [2022-04-27 18:57:10,084 INFO L290 TraceCheckUtils]: 29: Hoare triple {1993#(<= ~counter~0 1)} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,086 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,086 INFO L290 TraceCheckUtils]: 27: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:10,086 INFO L290 TraceCheckUtils]: 26: Hoare triple {1951#true} [127] L15-->L15-2: 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[] {1951#true} is VALID [2022-04-27 18:57:10,086 INFO L290 TraceCheckUtils]: 25: Hoare triple {1951#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1951#true} is VALID [2022-04-27 18:57:10,086 INFO L272 TraceCheckUtils]: 24: Hoare triple {1993#(<= ~counter~0 1)} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {1951#true} is VALID [2022-04-27 18:57:10,087 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,087 INFO L290 TraceCheckUtils]: 22: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:10,087 INFO L290 TraceCheckUtils]: 21: Hoare triple {1951#true} [127] L15-->L15-2: 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[] {1951#true} is VALID [2022-04-27 18:57:10,087 INFO L290 TraceCheckUtils]: 20: Hoare triple {1951#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1951#true} is VALID [2022-04-27 18:57:10,087 INFO L272 TraceCheckUtils]: 19: Hoare triple {1993#(<= ~counter~0 1)} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {1951#true} is VALID [2022-04-27 18:57:10,104 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1951#true} {1993#(<= ~counter~0 1)} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,104 INFO L290 TraceCheckUtils]: 17: Hoare triple {1951#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:10,104 INFO L290 TraceCheckUtils]: 16: Hoare triple {1951#true} [127] L15-->L15-2: 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[] {1951#true} is VALID [2022-04-27 18:57:10,104 INFO L290 TraceCheckUtils]: 15: Hoare triple {1951#true} [122] __VERIFIER_assertENTRY-->L15: 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] {1951#true} is VALID [2022-04-27 18:57:10,104 INFO L272 TraceCheckUtils]: 14: Hoare triple {1993#(<= ~counter~0 1)} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {1951#true} is VALID [2022-04-27 18:57:10,104 INFO L290 TraceCheckUtils]: 13: Hoare triple {1993#(<= ~counter~0 1)} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,105 INFO L290 TraceCheckUtils]: 12: Hoare triple {1959#(<= ~counter~0 0)} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {1993#(<= ~counter~0 1)} is VALID [2022-04-27 18:57:10,105 INFO L290 TraceCheckUtils]: 11: Hoare triple {1959#(<= ~counter~0 0)} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,106 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1951#true} {1959#(<= ~counter~0 0)} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,106 INFO L290 TraceCheckUtils]: 9: Hoare triple {1951#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:10,106 INFO L290 TraceCheckUtils]: 8: Hoare triple {1951#true} [111] L12-->L12-2: 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[] {1951#true} is VALID [2022-04-27 18:57:10,106 INFO L290 TraceCheckUtils]: 7: Hoare triple {1951#true} [107] assume_abort_if_notENTRY-->L12: 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] {1951#true} is VALID [2022-04-27 18:57:10,106 INFO L272 TraceCheckUtils]: 6: Hoare triple {1959#(<= ~counter~0 0)} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {1951#true} is VALID [2022-04-27 18:57:10,106 INFO L290 TraceCheckUtils]: 5: Hoare triple {1959#(<= ~counter~0 0)} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,107 INFO L272 TraceCheckUtils]: 4: Hoare triple {1959#(<= ~counter~0 0)} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,107 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1959#(<= ~counter~0 0)} {1951#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,107 INFO L290 TraceCheckUtils]: 2: Hoare triple {1959#(<= ~counter~0 0)} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,108 INFO L290 TraceCheckUtils]: 1: Hoare triple {1951#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {1959#(<= ~counter~0 0)} is VALID [2022-04-27 18:57:10,108 INFO L272 TraceCheckUtils]: 0: Hoare triple {1951#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1951#true} is VALID [2022-04-27 18:57:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-27 18:57:10,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:10,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836301549] [2022-04-27 18:57:10,109 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:57:10,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629215954] [2022-04-27 18:57:10,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629215954] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 18:57:10,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-27 18:57:10,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-04-27 18:57:10,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980537488] [2022-04-27 18:57:10,109 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-27 18:57:10,109 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-27 18:57:10,110 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:10,110 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-27 18:57:10,140 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:10,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 18:57:10,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 18:57:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-04-27 18:57:10,141 INFO L87 Difference]: Start difference. First operand 78 states and 93 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-27 18:57:10,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:10,838 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-27 18:57:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 18:57:10,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 38 [2022-04-27 18:57:10,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-27 18:57:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-27 18:57:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-27 18:57:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-27 18:57:10,843 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 59 transitions. [2022-04-27 18:57:10,920 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:10,921 INFO L225 Difference]: With dead ends: 80 [2022-04-27 18:57:10,921 INFO L226 Difference]: Without dead ends: 80 [2022-04-27 18:57:10,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-04-27 18:57:10,922 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:10,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 116 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 18:57:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-04-27 18:57:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-04-27 18:57:10,939 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:10,939 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:10,939 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:10,940 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:10,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:10,944 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-27 18:57:10,944 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-27 18:57:10,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:10,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:10,946 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-27 18:57:10,950 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand 80 states. [2022-04-27 18:57:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:10,953 INFO L93 Difference]: Finished difference Result 80 states and 95 transitions. [2022-04-27 18:57:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-27 18:57:10,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:10,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:10,953 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:10,954 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 18 states have call successors, (18), 11 states have call predecessors, (18), 10 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2022-04-27 18:57:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 95 transitions. [2022-04-27 18:57:10,956 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 95 transitions. Word has length 38 [2022-04-27 18:57:10,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:10,957 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 95 transitions. [2022-04-27 18:57:10,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-04-27 18:57:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2022-04-27 18:57:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-27 18:57:10,959 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:10,959 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:57:10,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-27 18:57:11,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:11,176 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:11,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:11,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1525733273, now seen corresponding path program 1 times [2022-04-27 18:57:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:11,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364581391] [2022-04-27 18:57:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:11,188 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:11,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032155289] [2022-04-27 18:57:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:11,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:11,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:11,189 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) [2022-04-27 18:57:11,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-27 18:57:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:11,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjunts are in the unsatisfiable core [2022-04-27 18:57:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 18:57:11,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 18:57:12,124 INFO L272 TraceCheckUtils]: 0: Hoare triple {2505#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L290 TraceCheckUtils]: 1: Hoare triple {2505#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L290 TraceCheckUtils]: 2: Hoare triple {2505#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2505#true} {2505#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L272 TraceCheckUtils]: 4: Hoare triple {2505#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L290 TraceCheckUtils]: 5: Hoare triple {2505#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L272 TraceCheckUtils]: 6: Hoare triple {2505#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {2505#true} is VALID [2022-04-27 18:57:12,125 INFO L290 TraceCheckUtils]: 7: Hoare triple {2505#true} [107] assume_abort_if_notENTRY-->L12: 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] {2531#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-27 18:57:12,126 INFO L290 TraceCheckUtils]: 8: Hoare triple {2531#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [111] L12-->L12-2: 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[] {2535#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 18:57:12,126 INFO L290 TraceCheckUtils]: 9: Hoare triple {2535#(not (= |assume_abort_if_not_#in~cond| 0))} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2535#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-27 18:57:12,127 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2535#(not (= |assume_abort_if_not_#in~cond| 0))} {2505#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {2542#(<= 1 (mod main_~B~0 4294967296))} is VALID [2022-04-27 18:57:12,127 INFO L290 TraceCheckUtils]: 11: Hoare triple {2542#(<= 1 (mod main_~B~0 4294967296))} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,127 INFO L290 TraceCheckUtils]: 12: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,128 INFO L290 TraceCheckUtils]: 13: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,128 INFO L272 TraceCheckUtils]: 14: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-27 18:57:12,128 INFO L290 TraceCheckUtils]: 15: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,128 INFO L290 TraceCheckUtils]: 16: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,128 INFO L290 TraceCheckUtils]: 17: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,128 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,129 INFO L272 TraceCheckUtils]: 19: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:12,129 INFO L290 TraceCheckUtils]: 20: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,129 INFO L290 TraceCheckUtils]: 21: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,129 INFO L290 TraceCheckUtils]: 22: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,129 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,129 INFO L272 TraceCheckUtils]: 24: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2505#true} is VALID [2022-04-27 18:57:12,129 INFO L290 TraceCheckUtils]: 25: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,130 INFO L290 TraceCheckUtils]: 26: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,130 INFO L290 TraceCheckUtils]: 27: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,133 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2505#true} {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} is VALID [2022-04-27 18:57:12,133 INFO L290 TraceCheckUtils]: 29: Hoare triple {2546#(and (<= 1 (mod main_~B~0 4294967296)) (= main_~B~0 main_~d~0) (= main_~p~0 1))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-27 18:57:12,134 INFO L290 TraceCheckUtils]: 30: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-27 18:57:12,134 INFO L290 TraceCheckUtils]: 31: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-27 18:57:12,134 INFO L272 TraceCheckUtils]: 32: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-27 18:57:12,134 INFO L290 TraceCheckUtils]: 33: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,134 INFO L290 TraceCheckUtils]: 34: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,134 INFO L290 TraceCheckUtils]: 35: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,135 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2505#true} {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-27 18:57:12,135 INFO L272 TraceCheckUtils]: 37: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:12,135 INFO L290 TraceCheckUtils]: 38: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,135 INFO L290 TraceCheckUtils]: 39: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,135 INFO L290 TraceCheckUtils]: 40: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,136 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2505#true} {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} is VALID [2022-04-27 18:57:12,140 INFO L272 TraceCheckUtils]: 42: Hoare triple {2601#(and (= (* main_~B~0 2) main_~d~0) (= main_~p~0 2) (<= 1 (mod main_~B~0 4294967296)))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:57:12,141 INFO L290 TraceCheckUtils]: 43: Hoare triple {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: 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] {2645#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:57:12,141 INFO L290 TraceCheckUtils]: 44: Hoare triple {2645#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: 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[] {2506#false} is VALID [2022-04-27 18:57:12,141 INFO L290 TraceCheckUtils]: 45: Hoare triple {2506#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2506#false} is VALID [2022-04-27 18:57:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-27 18:57:12,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 18:57:12,975 INFO L290 TraceCheckUtils]: 45: Hoare triple {2506#false} [131] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2506#false} is VALID [2022-04-27 18:57:12,976 INFO L290 TraceCheckUtils]: 44: Hoare triple {2645#(<= 1 __VERIFIER_assert_~cond)} [126] L15-->L16: 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[] {2506#false} is VALID [2022-04-27 18:57:12,976 INFO L290 TraceCheckUtils]: 43: Hoare triple {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} [122] __VERIFIER_assertENTRY-->L15: 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] {2645#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 18:57:12,977 INFO L272 TraceCheckUtils]: 42: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2641#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 18:57:12,977 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {2505#true} {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-27 18:57:12,977 INFO L290 TraceCheckUtils]: 40: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,978 INFO L290 TraceCheckUtils]: 39: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,978 INFO L290 TraceCheckUtils]: 38: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,978 INFO L272 TraceCheckUtils]: 37: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:12,979 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {2505#true} {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-27 18:57:12,979 INFO L290 TraceCheckUtils]: 35: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:12,979 INFO L290 TraceCheckUtils]: 34: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:12,979 INFO L290 TraceCheckUtils]: 33: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:12,979 INFO L272 TraceCheckUtils]: 32: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-27 18:57:12,979 INFO L290 TraceCheckUtils]: 31: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-27 18:57:12,980 INFO L290 TraceCheckUtils]: 30: Hoare triple {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is VALID [2022-04-27 18:57:14,985 WARN L290 TraceCheckUtils]: 29: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [137] L38-->L35-3: Formula: (and (<= (mod v_main_~d~0_6 4294967296) (mod v_main_~r~0_5 4294967296)) (= v_main_~d~0_5 (* v_main_~d~0_6 2)) (= v_main_~p~0_4 (* v_main_~p~0_5 2))) InVars {main_~d~0=v_main_~d~0_6, main_~p~0=v_main_~p~0_5, main_~r~0=v_main_~r~0_5} OutVars{main_~d~0=v_main_~d~0_5, main_~p~0=v_main_~p~0_4, main_~r~0=v_main_~r~0_5} AuxVars[] AssignedVars[main_~d~0, main_~p~0] {2661#(= (mod main_~d~0 4294967296) (mod (* main_~B~0 main_~p~0) 4294967296))} is UNKNOWN [2022-04-27 18:57:14,987 INFO L284 TraceCheckUtils]: 28: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [145] __VERIFIER_assertEXIT-->L38: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:14,987 INFO L290 TraceCheckUtils]: 27: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:14,987 INFO L290 TraceCheckUtils]: 26: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:14,987 INFO L290 TraceCheckUtils]: 25: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:14,987 INFO L272 TraceCheckUtils]: 24: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [129] L37-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_3| (ite (= (mod v_main_~d~0_14 4294967296) (mod (* v_main_~p~0_11 v_main_~B~0_11) 4294967296)) 1 0)) InVars {main_~d~0=v_main_~d~0_14, main_~B~0=v_main_~B~0_11, main_~p~0=v_main_~p~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~d~0, main_~B~0, main_~p~0] {2505#true} is VALID [2022-04-27 18:57:14,997 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [144] __VERIFIER_assertEXIT-->L37: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:14,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:14,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:14,997 INFO L290 TraceCheckUtils]: 20: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:14,997 INFO L272 TraceCheckUtils]: 19: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [124] L36-1-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~A~0_8 4294967296) (mod v_main_~r~0_11 4294967296)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~A~0=v_main_~A~0_8, main_~r~0=v_main_~r~0_11} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~A~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:15,003 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2505#true} {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [143] __VERIFIER_assertEXIT-->L36-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:15,003 INFO L290 TraceCheckUtils]: 17: Hoare triple {2505#true} [133] L15-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,003 INFO L290 TraceCheckUtils]: 16: Hoare triple {2505#true} [127] L15-->L15-2: 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[] {2505#true} is VALID [2022-04-27 18:57:15,004 INFO L290 TraceCheckUtils]: 15: Hoare triple {2505#true} [122] __VERIFIER_assertENTRY-->L15: 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] {2505#true} is VALID [2022-04-27 18:57:15,004 INFO L272 TraceCheckUtils]: 14: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [120] L36-->__VERIFIER_assertENTRY: Formula: (= (ite (= (mod v_main_~q~0_8 4294967296) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond] {2505#true} is VALID [2022-04-27 18:57:15,015 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [115] L35-1-->L36: Formula: (< |v_main_#t~post6_5| 2) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:15,016 INFO L290 TraceCheckUtils]: 12: Hoare triple {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} [109] L35-3-->L35-1: Formula: (and (= |v_main_#t~post6_1| v_~counter~0_2) (= v_~counter~0_1 (+ |v_main_#t~post6_1| 1))) InVars {~counter~0=v_~counter~0_2} OutVars{~counter~0=v_~counter~0_1, main_#t~post6=|v_main_#t~post6_1|} AuxVars[] AssignedVars[~counter~0, main_#t~post6] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:15,016 INFO L290 TraceCheckUtils]: 11: Hoare triple {2505#true} [106] L28-1-->L35-3: Formula: (and (= v_main_~B~0_5 v_main_~d~0_2) (= v_main_~A~0_4 v_main_~r~0_2) (= v_main_~q~0_2 0) (= v_main_~p~0_2 1)) InVars {main_~A~0=v_main_~A~0_4, main_~B~0=v_main_~B~0_5} OutVars{main_~q~0=v_main_~q~0_2, main_~d~0=v_main_~d~0_2, main_~B~0=v_main_~B~0_5, main_~A~0=v_main_~A~0_4, main_~p~0=v_main_~p~0_2, main_~r~0=v_main_~r~0_2} AuxVars[] AssignedVars[main_~q~0, main_~d~0, main_~p~0, main_~r~0] {2701#(= (mod (* main_~d~0 2) 4294967296) (mod (* (* main_~p~0 2) main_~B~0) 4294967296))} is VALID [2022-04-27 18:57:15,016 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2505#true} {2505#true} [141] assume_abort_if_notEXIT-->L28-1: 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_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 9: Hoare triple {2505#true} [116] L12-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 8: Hoare triple {2505#true} [111] L12-->L12-2: 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[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 7: Hoare triple {2505#true} [107] assume_abort_if_notENTRY-->L12: 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] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L272 TraceCheckUtils]: 6: Hoare triple {2505#true} [105] L28-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 (mod v_main_~B~0_10 4294967296)) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~B~0=v_main_~B~0_10} 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] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 5: Hoare triple {2505#true} [103] mainENTRY-->L28: Formula: (and (= v_main_~A~0_1 |v_main_#t~nondet4_2|) (= v_main_~B~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_1, main_~d~0=v_main_~d~0_1, main_~B~0=v_main_~B~0_1, main_~A~0=v_main_~A~0_1, main_~p~0=v_main_~p~0_1, main_~r~0=v_main_~r~0_1} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~d~0, main_~B~0, main_~A~0, main_~p~0, main_~r~0] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L272 TraceCheckUtils]: 4: Hoare triple {2505#true} [100] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2505#true} {2505#true} [140] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 2: Hoare triple {2505#true} [104] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L290 TraceCheckUtils]: 1: Hoare triple {2505#true} [101] 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) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 2) 9) (= (select |v_#length_1| 3) 12) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 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] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L272 TraceCheckUtils]: 0: Hoare triple {2505#true} [99] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2505#true} is VALID [2022-04-27 18:57:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-04-27 18:57:15,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 18:57:15,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364581391] [2022-04-27 18:57:15,018 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-27 18:57:15,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032155289] [2022-04-27 18:57:15,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032155289] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-27 18:57:15,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-27 18:57:15,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2022-04-27 18:57:15,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621916838] [2022-04-27 18:57:15,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 18:57:15,018 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-27 18:57:15,019 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 18:57:15,019 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 18:57:17,074 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 33 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:17,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 18:57:17,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 18:57:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 18:57:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-04-27 18:57:17,075 INFO L87 Difference]: Start difference. First operand 80 states and 95 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 18:57:20,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-27 18:57:23,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-27 18:57:25,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-27 18:57:27,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-04-27 18:57:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:28,777 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-27 18:57:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 18:57:28,777 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 46 [2022-04-27 18:57:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 18:57:28,777 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 18:57:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-04-27 18:57:28,778 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 18:57:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 58 transitions. [2022-04-27 18:57:28,779 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 58 transitions. [2022-04-27 18:57:30,848 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 57 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-27 18:57:30,849 INFO L225 Difference]: With dead ends: 91 [2022-04-27 18:57:30,849 INFO L226 Difference]: Without dead ends: 91 [2022-04-27 18:57:30,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-04-27 18:57:30,850 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 17 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-04-27 18:57:30,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 135 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 9.2s Time] [2022-04-27 18:57:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-04-27 18:57:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2022-04-27 18:57:30,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 18:57:30,854 INFO L82 GeneralOperation]: Start isEquivalent. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-27 18:57:30,854 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-27 18:57:30,854 INFO L87 Difference]: Start difference. First operand 91 states. Second operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-27 18:57:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:30,856 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-27 18:57:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-27 18:57:30,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:30,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:30,857 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-27 18:57:30,857 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) Second operand 91 states. [2022-04-27 18:57:30,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 18:57:30,859 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-04-27 18:57:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-04-27 18:57:30,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 18:57:30,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 18:57:30,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 18:57:30,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 18:57:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 59 states have internal predecessors, (67), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-04-27 18:57:30,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 105 transitions. [2022-04-27 18:57:30,861 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 105 transitions. Word has length 46 [2022-04-27 18:57:30,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 18:57:30,861 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 105 transitions. [2022-04-27 18:57:30,861 INFO L496 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, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-04-27 18:57:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2022-04-27 18:57:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-27 18:57:30,862 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 18:57:30,862 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 18:57:30,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-04-27 18:57:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:31,063 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 18:57:31,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 18:57:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash 450187565, now seen corresponding path program 1 times [2022-04-27 18:57:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 18:57:31,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925538239] [2022-04-27 18:57:31,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 18:57:31,075 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-27 18:57:31,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890933983] [2022-04-27 18:57:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 18:57:31,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 18:57:31,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 18:57:31,097 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) [2022-04-27 18:57:31,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process