/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 01:15:12,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 01:15:12,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 01:15:12,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-28 01:15:12,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-28 01:15:12,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-28 01:15:12,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-28 01:15:12,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-28 01:15:12,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-28 01:15:12,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-28 01:15:12,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-28 01:15:12,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-28 01:15:12,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 01:15:12,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 01:15:12,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 01:15:12,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 01:15:12,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 01:15:12,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 01:15:12,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 01:15:12,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 01:15:12,810 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 01:15:12,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 01:15:12,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 01:15:12,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 01:15:12,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 01:15:12,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-28 01:15:12,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-28 01:15:12,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-28 01:15:12,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-28 01:15:12,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-28 01:15:12,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-04-28 01:15:12,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 01:15:12,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 01:15:12,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 01:15:12,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-28 01:15:12,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 01:15:12,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 01:15:12,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-28 01:15:12,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-28 01:15:12,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-28 01:15:12,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Use SBE=true [2022-04-28 01:15:12,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 01:15:12,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 01:15:12,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:15:12,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-28 01:15:12,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-28 01:15:12,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-28 01:15:12,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 01:15:12,867 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-28 01:15:12,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-28 01:15:12,867 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-28 01:15:12,868 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 01:15:13,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 01:15:13,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 01:15:13,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 01:15:13,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 01:15:13,096 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 01:15:13,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2022-04-28 01:15:13,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4616b9e48/d397450a32874b2888dfe5d64f322620/FLAG13254f3b4 [2022-04-28 01:15:13,542 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 01:15:13,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/prod4br-ll_unwindbound100.c [2022-04-28 01:15:13,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4616b9e48/d397450a32874b2888dfe5d64f322620/FLAG13254f3b4 [2022-04-28 01:15:13,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4616b9e48/d397450a32874b2888dfe5d64f322620 [2022-04-28 01:15:13,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 01:15:13,573 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-28 01:15:13,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 01:15:13,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 01:15:13,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 01:15:13,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2607eba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13, skipping insertion in model container [2022-04-28 01:15:13,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 01:15:13,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 01:15:13,724 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/prod4br-ll_unwindbound100.c[524,537] [2022-04-28 01:15:13,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:15:13,746 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 01:15:13,754 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/prod4br-ll_unwindbound100.c[524,537] [2022-04-28 01:15:13,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 01:15:13,769 INFO L208 MainTranslator]: Completed translation [2022-04-28 01:15:13,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13 WrapperNode [2022-04-28 01:15:13,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 01:15:13,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 01:15:13,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 01:15:13,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 01:15:13,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 01:15:13,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 01:15:13,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 01:15:13,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 01:15:13,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (1/1) ... [2022-04-28 01:15:13,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 01:15:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:15:13,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-28 01:15:13,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-28 01:15:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 01:15:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 01:15:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 01:15:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-28 01:15:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 01:15:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 01:15:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 01:15:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 01:15:13,896 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 01:15:13,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 01:15:14,171 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 01:15:14,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 01:15:14,179 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-28 01:15:14,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:15:14 BoogieIcfgContainer [2022-04-28 01:15:14,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 01:15:14,181 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-28 01:15:14,181 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-28 01:15:14,183 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-28 01:15:14,185 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:15:14" (1/1) ... [2022-04-28 01:15:14,186 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-28 01:15:14,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 01:15:14 BasicIcfg [2022-04-28 01:15:14,234 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-28 01:15:14,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 01:15:14,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 01:15:14,237 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 01:15:14,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 01:15:13" (1/4) ... [2022-04-28 01:15:14,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290deae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 01:15:14, skipping insertion in model container [2022-04-28 01:15:14,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 01:15:13" (2/4) ... [2022-04-28 01:15:14,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290deae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 01:15:14, skipping insertion in model container [2022-04-28 01:15:14,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 01:15:14" (3/4) ... [2022-04-28 01:15:14,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290deae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 01:15:14, skipping insertion in model container [2022-04-28 01:15:14,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 28.04 01:15:14" (4/4) ... [2022-04-28 01:15:14,238 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound100.cqvasr [2022-04-28 01:15:14,248 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-28 01:15:14,248 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 01:15:14,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 01:15:14,302 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3aaf51c4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1cf5760f [2022-04-28 01:15:14,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 01:15:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:15:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-28 01:15:14,313 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:15:14,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:15:14,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:15:14,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:15:14,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1119019339, now seen corresponding path program 1 times [2022-04-28 01:15:14,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:15:14,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966122902] [2022-04-28 01:15:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:14,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:15:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 01:15:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:14,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {35#true} is VALID [2022-04-28 01:15:14,497 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-28 01:15:14,498 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-28 01:15:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-28 01:15:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:14,504 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: 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] {35#true} is VALID [2022-04-28 01:15:14,504 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,505 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,505 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-28 01:15:14,507 INFO L272 TraceCheckUtils]: 0: Hoare triple {35#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 01:15:14,507 INFO L290 TraceCheckUtils]: 1: Hoare triple {44#(and (= ~counter~0 |old(~counter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {35#true} is VALID [2022-04-28 01:15:14,507 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-28 01:15:14,507 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35#true} {35#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-28 01:15:14,508 INFO L272 TraceCheckUtils]: 4: Hoare triple {35#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {35#true} is VALID [2022-04-28 01:15:14,508 INFO L290 TraceCheckUtils]: 5: Hoare triple {35#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {35#true} is VALID [2022-04-28 01:15:14,508 INFO L272 TraceCheckUtils]: 6: Hoare triple {35#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {35#true} is VALID [2022-04-28 01:15:14,508 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} [88] assume_abort_if_notENTRY-->L9: 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] {35#true} is VALID [2022-04-28 01:15:14,508 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} [91] L9-->L9-2: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L290 TraceCheckUtils]: 9: Hoare triple {36#false} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {36#false} {35#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#false} [89] L46-2-->L33-3: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L272 TraceCheckUtils]: 13: Hoare triple {36#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {36#false} is VALID [2022-04-28 01:15:14,509 INFO L290 TraceCheckUtils]: 14: Hoare triple {36#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {36#false} is VALID [2022-04-28 01:15:14,510 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,510 INFO L290 TraceCheckUtils]: 16: Hoare triple {36#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {36#false} is VALID [2022-04-28 01:15:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:15:14,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:15:14,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966122902] [2022-04-28 01:15:14,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966122902] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:15:14,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:15:14,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 01:15:14,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247525428] [2022-04-28 01:15:14,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:15:14,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-28 01:15:14,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:15:14,519 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:14,551 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:14,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 01:15:14,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:15:14,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 01:15:14,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 01:15:14,570 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.45) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:14,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:14,705 INFO L93 Difference]: Finished difference Result 56 states and 77 transitions. [2022-04-28 01:15:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 01:15:14,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-04-28 01:15:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:15:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-28 01:15:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2022-04-28 01:15:14,724 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 77 transitions. [2022-04-28 01:15:14,800 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:14,808 INFO L225 Difference]: With dead ends: 56 [2022-04-28 01:15:14,808 INFO L226 Difference]: Without dead ends: 28 [2022-04-28 01:15:14,810 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 [2022-04-28 01:15:14,814 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 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 [2022-04-28 01:15:14,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:15:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-28 01:15:14,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-28 01:15:14,841 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:15:14,841 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:14,843 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:14,843 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:14,848 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-28 01:15:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-28 01:15:14,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:14,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:14,852 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 28 states. [2022-04-28 01:15:14,853 INFO L87 Difference]: Start difference. First operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 28 states. [2022-04-28 01:15:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:14,862 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-04-28 01:15:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-04-28 01:15:14,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:14,862 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:14,862 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:15:14,863 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:15:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-04-28 01:15:14,877 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2022-04-28 01:15:14,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:15:14,877 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-04-28 01:15:14,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (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) [2022-04-28 01:15:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-04-28 01:15:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-28 01:15:14,878 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:15:14,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:15:14,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 01:15:14,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:15:14,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:15:14,880 INFO L85 PathProgramCache]: Analyzing trace with hash -496973861, now seen corresponding path program 1 times [2022-04-28 01:15:14,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:15:14,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120836926] [2022-04-28 01:15:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:15:14,901 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:15:14,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552768982] [2022-04-28 01:15:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:14,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:15:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:15:14,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:15:14,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 01:15:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:14,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 01:15:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:14,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:15:15,085 INFO L272 TraceCheckUtils]: 0: Hoare triple {214#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {214#true} is VALID [2022-04-28 01:15:15,086 INFO L290 TraceCheckUtils]: 1: Hoare triple {214#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,087 INFO L290 TraceCheckUtils]: 2: Hoare triple {222#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,087 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {222#(<= ~counter~0 0)} {214#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,088 INFO L272 TraceCheckUtils]: 4: Hoare triple {222#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,088 INFO L290 TraceCheckUtils]: 5: Hoare triple {222#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,089 INFO L272 TraceCheckUtils]: 6: Hoare triple {222#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,089 INFO L290 TraceCheckUtils]: 7: Hoare triple {222#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: 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] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,090 INFO L290 TraceCheckUtils]: 8: Hoare triple {222#(<= ~counter~0 0)} [92] L9-->L9-2: 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[] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,090 INFO L290 TraceCheckUtils]: 9: Hoare triple {222#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,091 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {222#(<= ~counter~0 0)} {222#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,091 INFO L290 TraceCheckUtils]: 11: Hoare triple {222#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {222#(<= ~counter~0 0)} is VALID [2022-04-28 01:15:15,092 INFO L290 TraceCheckUtils]: 12: Hoare triple {222#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {256#(<= |main_#t~post6| 0)} is VALID [2022-04-28 01:15:15,092 INFO L290 TraceCheckUtils]: 13: Hoare triple {256#(<= |main_#t~post6| 0)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 100)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {215#false} is VALID [2022-04-28 01:15:15,092 INFO L272 TraceCheckUtils]: 14: Hoare triple {215#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {215#false} is VALID [2022-04-28 01:15:15,092 INFO L290 TraceCheckUtils]: 15: Hoare triple {215#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {215#false} is VALID [2022-04-28 01:15:15,093 INFO L290 TraceCheckUtils]: 16: Hoare triple {215#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {215#false} is VALID [2022-04-28 01:15:15,094 INFO L290 TraceCheckUtils]: 17: Hoare triple {215#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {215#false} is VALID [2022-04-28 01:15:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:15:15,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:15:15,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:15:15,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120836926] [2022-04-28 01:15:15,095 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:15:15,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552768982] [2022-04-28 01:15:15,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552768982] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:15:15,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:15:15,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 01:15:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519398901] [2022-04-28 01:15:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:15:15,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-28 01:15:15,103 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:15:15,104 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:15:15,118 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:15,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 01:15:15,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:15:15,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 01:15:15,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 01:15:15,120 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:15:15,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,188 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-04-28 01:15:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 01:15:15,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2022-04-28 01:15:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:15:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:15:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-28 01:15:15,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:15:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2022-04-28 01:15:15,198 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 44 transitions. [2022-04-28 01:15:15,230 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:15,231 INFO L225 Difference]: With dead ends: 37 [2022-04-28 01:15:15,231 INFO L226 Difference]: Without dead ends: 29 [2022-04-28 01:15:15,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 01:15:15,233 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:15:15,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:15:15,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-28 01:15:15,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-28 01:15:15,242 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:15:15,243 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:15,243 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:15,244 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,246 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-28 01:15:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-28 01:15:15,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:15,247 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:15,249 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-28 01:15:15,249 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 29 states. [2022-04-28 01:15:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,252 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2022-04-28 01:15:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-28 01:15:15,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:15,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:15,253 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:15:15,253 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:15:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 20 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-04-28 01:15:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-04-28 01:15:15,258 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 18 [2022-04-28 01:15:15,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:15:15,258 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-04-28 01:15:15,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-04-28 01:15:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-04-28 01:15:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-28 01:15:15,260 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:15:15,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:15:15,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 01:15:15,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:15:15,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:15:15,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:15:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash -495871594, now seen corresponding path program 1 times [2022-04-28 01:15:15,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:15:15,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297487815] [2022-04-28 01:15:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:15:15,480 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:15:15,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530652157] [2022-04-28 01:15:15,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:15,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:15:15,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:15:15,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:15:15,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 01:15:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:15,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-28 01:15:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:15,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:15:15,680 INFO L272 TraceCheckUtils]: 0: Hoare triple {422#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-28 01:15:15,681 INFO L290 TraceCheckUtils]: 1: Hoare triple {422#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {422#true} is VALID [2022-04-28 01:15:15,681 INFO L290 TraceCheckUtils]: 2: Hoare triple {422#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-28 01:15:15,681 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {422#true} {422#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-28 01:15:15,681 INFO L272 TraceCheckUtils]: 4: Hoare triple {422#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-28 01:15:15,682 INFO L290 TraceCheckUtils]: 5: Hoare triple {422#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {422#true} is VALID [2022-04-28 01:15:15,682 INFO L272 TraceCheckUtils]: 6: Hoare triple {422#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {422#true} is VALID [2022-04-28 01:15:15,682 INFO L290 TraceCheckUtils]: 7: Hoare triple {422#true} [88] assume_abort_if_notENTRY-->L9: 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] {422#true} is VALID [2022-04-28 01:15:15,682 INFO L290 TraceCheckUtils]: 8: Hoare triple {422#true} [92] L9-->L9-2: 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[] {422#true} is VALID [2022-04-28 01:15:15,683 INFO L290 TraceCheckUtils]: 9: Hoare triple {422#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {422#true} is VALID [2022-04-28 01:15:15,683 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {422#true} {422#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {422#true} is VALID [2022-04-28 01:15:15,689 INFO L290 TraceCheckUtils]: 11: Hoare triple {422#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:15:15,690 INFO L290 TraceCheckUtils]: 12: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:15:15,692 INFO L290 TraceCheckUtils]: 13: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:15:15,693 INFO L272 TraceCheckUtils]: 14: Hoare triple {460#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {470#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:15:15,694 INFO L290 TraceCheckUtils]: 15: Hoare triple {470#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {474#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:15:15,694 INFO L290 TraceCheckUtils]: 16: Hoare triple {474#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {423#false} is VALID [2022-04-28 01:15:15,694 INFO L290 TraceCheckUtils]: 17: Hoare triple {423#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {423#false} is VALID [2022-04-28 01:15:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:15:15,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:15:15,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:15:15,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297487815] [2022-04-28 01:15:15,695 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:15:15,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530652157] [2022-04-28 01:15:15,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530652157] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:15:15,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:15:15,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 01:15:15,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796123844] [2022-04-28 01:15:15,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:15:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-28 01:15:15,696 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:15:15,697 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:15,711 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:15,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 01:15:15,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:15:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 01:15:15,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-04-28 01:15:15,713 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,911 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2022-04-28 01:15:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 01:15:15,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-04-28 01:15:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:15:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:15,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-28 01:15:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-04-28 01:15:15,914 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 53 transitions. [2022-04-28 01:15:15,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:15:15,959 INFO L225 Difference]: With dead ends: 42 [2022-04-28 01:15:15,959 INFO L226 Difference]: Without dead ends: 40 [2022-04-28 01:15:15,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-28 01:15:15,960 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:15:15,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 83 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:15:15,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-28 01:15:15,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2022-04-28 01:15:15,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:15:15,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:15:15,967 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:15:15,967 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:15:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,969 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-28 01:15:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-28 01:15:15,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:15,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:15,970 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 40 states. [2022-04-28 01:15:15,970 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand 40 states. [2022-04-28 01:15:15,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:15:15,971 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2022-04-28 01:15:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-04-28 01:15:15,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:15:15,972 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:15:15,972 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:15:15,972 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:15:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 01:15:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-04-28 01:15:15,979 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 18 [2022-04-28 01:15:15,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:15:15,980 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-04-28 01:15:15,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-28 01:15:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-04-28 01:15:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-28 01:15:15,983 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:15:15,983 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, 1] [2022-04-28 01:15:16,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 01:15:16,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-04-28 01:15:16,184 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:15:16,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:15:16,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1025358414, now seen corresponding path program 1 times [2022-04-28 01:15:16,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:15:16,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195122562] [2022-04-28 01:15:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:16,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:15:16,195 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:15:16,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1297958431] [2022-04-28 01:15:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:15:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:15:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:15:16,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:15:16,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 01:15:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:16,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-28 01:15:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:15:16,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:15:26,671 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:15:26,671 INFO L290 TraceCheckUtils]: 1: Hoare triple {668#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {668#true} is VALID [2022-04-28 01:15:26,672 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:15:26,672 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {668#true} {668#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:15:26,672 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:15:26,672 INFO L290 TraceCheckUtils]: 5: Hoare triple {668#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-28 01:15:26,672 INFO L272 TraceCheckUtils]: 6: Hoare triple {668#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {668#true} is VALID [2022-04-28 01:15:26,673 INFO L290 TraceCheckUtils]: 7: Hoare triple {668#true} [88] assume_abort_if_notENTRY-->L9: 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] {694#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 01:15:26,673 INFO L290 TraceCheckUtils]: 8: Hoare triple {694#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {698#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:15:26,674 INFO L290 TraceCheckUtils]: 9: Hoare triple {698#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {698#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:15:26,676 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {698#(not (= |assume_abort_if_not_#in~cond| 0))} {668#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {705#(<= 1 main_~y~0)} is VALID [2022-04-28 01:15:26,677 INFO L290 TraceCheckUtils]: 11: Hoare triple {705#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-28 01:15:26,678 INFO L290 TraceCheckUtils]: 12: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [90] L46-2-->L33-1: 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] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-28 01:15:26,678 INFO L290 TraceCheckUtils]: 13: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is VALID [2022-04-28 01:15:26,678 INFO L272 TraceCheckUtils]: 14: Hoare triple {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-28 01:15:26,679 INFO L290 TraceCheckUtils]: 15: Hoare triple {668#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {722#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:15:26,679 INFO L290 TraceCheckUtils]: 16: Hoare triple {722#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:15:26,680 INFO L290 TraceCheckUtils]: 17: Hoare triple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:15:28,682 WARN L284 TraceCheckUtils]: 18: Hoare quadruple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} {709#(and (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {733#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} is UNKNOWN [2022-04-28 01:15:28,683 INFO L290 TraceCheckUtils]: 19: Hoare triple {733#(and (or (and (= (mod (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) (* main_~b~0 main_~a~0)) 0) (not (= main_~a~0 0))) (= (+ (* main_~y~0 main_~x~0) (* (- 1) main_~q~0)) 0)) (<= main_~y~0 main_~b~0) (<= 1 main_~y~0))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {737#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} is VALID [2022-04-28 01:15:28,684 INFO L272 TraceCheckUtils]: 20: Hoare triple {737#(and (= main_~q~0 (* main_~y~0 main_~x~0)) (<= 1 main_~y~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {741#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:15:28,684 INFO L290 TraceCheckUtils]: 21: Hoare triple {741#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {745#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:15:28,685 INFO L290 TraceCheckUtils]: 22: Hoare triple {745#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-28 01:15:28,685 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-28 01:15:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:15:28,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:16:04,065 INFO L290 TraceCheckUtils]: 23: Hoare triple {669#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-28 01:16:04,065 INFO L290 TraceCheckUtils]: 22: Hoare triple {745#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {669#false} is VALID [2022-04-28 01:16:04,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {741#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {745#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:16:04,067 INFO L272 TraceCheckUtils]: 20: Hoare triple {761#(= main_~q~0 (* main_~y~0 main_~x~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {741#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:16:04,067 INFO L290 TraceCheckUtils]: 19: Hoare triple {765#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {761#(= main_~q~0 (* main_~y~0 main_~x~0))} is VALID [2022-04-28 01:16:04,068 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} {668#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {765#(or (= main_~q~0 (* main_~y~0 main_~x~0)) (and (not (= main_~b~0 0)) (not (= main_~a~0 0))))} is VALID [2022-04-28 01:16:04,069 INFO L290 TraceCheckUtils]: 17: Hoare triple {726#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:16:04,069 INFO L290 TraceCheckUtils]: 16: Hoare triple {778#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {726#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:16:04,069 INFO L290 TraceCheckUtils]: 15: Hoare triple {668#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {778#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 01:16:04,069 INFO L272 TraceCheckUtils]: 14: Hoare triple {668#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 13: Hoare triple {668#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 12: Hoare triple {668#true} [90] L46-2-->L33-1: 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] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 11: Hoare triple {668#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {668#true} {668#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 9: Hoare triple {668#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 8: Hoare triple {668#true} [92] L9-->L9-2: 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[] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L290 TraceCheckUtils]: 7: Hoare triple {668#true} [88] assume_abort_if_notENTRY-->L9: 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] {668#true} is VALID [2022-04-28 01:16:04,070 INFO L272 TraceCheckUtils]: 6: Hoare triple {668#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L290 TraceCheckUtils]: 5: Hoare triple {668#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L272 TraceCheckUtils]: 4: Hoare triple {668#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {668#true} {668#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L290 TraceCheckUtils]: 2: Hoare triple {668#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L290 TraceCheckUtils]: 1: Hoare triple {668#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L272 TraceCheckUtils]: 0: Hoare triple {668#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {668#true} is VALID [2022-04-28 01:16:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:16:04,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:16:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195122562] [2022-04-28 01:16:04,072 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:16:04,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297958431] [2022-04-28 01:16:04,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297958431] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:16:04,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:16:04,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2022-04-28 01:16:04,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117995456] [2022-04-28 01:16:04,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:16:04,072 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-28 01:16:04,073 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:16:04,073 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-28 01:16:06,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 36 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 01:16:06,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-28 01:16:06,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:16:06,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-28 01:16:06,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-04-28 01:16:06,102 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-28 01:16:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:11,027 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2022-04-28 01:16:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-28 01:16:11,027 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 24 [2022-04-28 01:16:11,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:16:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-28 01:16:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-28 01:16:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-28 01:16:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2022-04-28 01:16:11,032 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 69 transitions. [2022-04-28 01:16:13,091 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 68 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-04-28 01:16:13,093 INFO L225 Difference]: With dead ends: 55 [2022-04-28 01:16:13,093 INFO L226 Difference]: Without dead ends: 53 [2022-04-28 01:16:13,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-04-28 01:16:13,094 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 51 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-28 01:16:13,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 123 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-28 01:16:13,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-28 01:16:13,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2022-04-28 01:16:13,109 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:16:13,109 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:16:13,109 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:16:13,110 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:16:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:13,112 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-28 01:16:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-28 01:16:13,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:16:13,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:16:13,113 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-28 01:16:13,113 INFO L87 Difference]: Start difference. First operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) Second operand 53 states. [2022-04-28 01:16:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:13,115 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2022-04-28 01:16:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-04-28 01:16:13,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:16:13,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:16:13,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:16:13,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:16:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-28 01:16:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-04-28 01:16:13,116 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 24 [2022-04-28 01:16:13,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:16:13,116 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-04-28 01:16:13,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 11 states have internal predecessors, (25), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-04-28 01:16:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-04-28 01:16:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-28 01:16:13,117 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:16:13,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:16:13,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-28 01:16:13,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:16:13,331 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:16:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:16:13,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2117889998, now seen corresponding path program 1 times [2022-04-28 01:16:13,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:16:13,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044110437] [2022-04-28 01:16:13,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:16:13,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:16:13,344 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:16:13,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678438098] [2022-04-28 01:16:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:16:13,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:16:13,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:16:13,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:16:13,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 01:16:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:16:13,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 01:16:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:16:13,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:16:13,539 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-28 01:16:13,540 INFO L290 TraceCheckUtils]: 1: Hoare triple {1077#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,540 INFO L290 TraceCheckUtils]: 2: Hoare triple {1085#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,541 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1085#(<= ~counter~0 0)} {1077#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,541 INFO L272 TraceCheckUtils]: 4: Hoare triple {1085#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,541 INFO L290 TraceCheckUtils]: 5: Hoare triple {1085#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,543 INFO L272 TraceCheckUtils]: 6: Hoare triple {1085#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,544 INFO L290 TraceCheckUtils]: 7: Hoare triple {1085#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: 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] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,544 INFO L290 TraceCheckUtils]: 8: Hoare triple {1085#(<= ~counter~0 0)} [92] L9-->L9-2: 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[] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,545 INFO L290 TraceCheckUtils]: 9: Hoare triple {1085#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,546 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1085#(<= ~counter~0 0)} {1085#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,546 INFO L290 TraceCheckUtils]: 11: Hoare triple {1085#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1085#(<= ~counter~0 0)} is VALID [2022-04-28 01:16:13,559 INFO L290 TraceCheckUtils]: 12: Hoare triple {1085#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,561 INFO L290 TraceCheckUtils]: 13: Hoare triple {1119#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,562 INFO L272 TraceCheckUtils]: 14: Hoare triple {1119#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,563 INFO L290 TraceCheckUtils]: 15: Hoare triple {1119#(<= ~counter~0 1)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,563 INFO L290 TraceCheckUtils]: 16: Hoare triple {1119#(<= ~counter~0 1)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,564 INFO L290 TraceCheckUtils]: 17: Hoare triple {1119#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,565 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1119#(<= ~counter~0 1)} {1119#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,565 INFO L290 TraceCheckUtils]: 19: Hoare triple {1119#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,566 INFO L290 TraceCheckUtils]: 20: Hoare triple {1119#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1119#(<= ~counter~0 1)} is VALID [2022-04-28 01:16:13,566 INFO L290 TraceCheckUtils]: 21: Hoare triple {1119#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {1147#(<= |main_#t~post6| 1)} is VALID [2022-04-28 01:16:13,566 INFO L290 TraceCheckUtils]: 22: Hoare triple {1147#(<= |main_#t~post6| 1)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 100)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-28 01:16:13,567 INFO L272 TraceCheckUtils]: 23: Hoare triple {1078#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1078#false} is VALID [2022-04-28 01:16:13,567 INFO L290 TraceCheckUtils]: 24: Hoare triple {1078#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1078#false} is VALID [2022-04-28 01:16:13,567 INFO L290 TraceCheckUtils]: 25: Hoare triple {1078#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-28 01:16:13,567 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-28 01:16:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:16:13,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:16:13,731 INFO L290 TraceCheckUtils]: 26: Hoare triple {1078#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-28 01:16:13,731 INFO L290 TraceCheckUtils]: 25: Hoare triple {1078#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1078#false} is VALID [2022-04-28 01:16:13,731 INFO L290 TraceCheckUtils]: 24: Hoare triple {1078#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1078#false} is VALID [2022-04-28 01:16:13,731 INFO L272 TraceCheckUtils]: 23: Hoare triple {1078#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {1078#false} is VALID [2022-04-28 01:16:13,732 INFO L290 TraceCheckUtils]: 22: Hoare triple {1175#(< |main_#t~post6| 100)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 100)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1078#false} is VALID [2022-04-28 01:16:13,733 INFO L290 TraceCheckUtils]: 21: Hoare triple {1179#(< ~counter~0 100)} [90] L46-2-->L33-1: 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] {1175#(< |main_#t~post6| 100)} is VALID [2022-04-28 01:16:13,733 INFO L290 TraceCheckUtils]: 20: Hoare triple {1179#(< ~counter~0 100)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1179#(< ~counter~0 100)} is VALID [2022-04-28 01:16:13,733 INFO L290 TraceCheckUtils]: 19: Hoare triple {1179#(< ~counter~0 100)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1179#(< ~counter~0 100)} is VALID [2022-04-28 01:16:13,734 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1077#true} {1179#(< ~counter~0 100)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1179#(< ~counter~0 100)} is VALID [2022-04-28 01:16:13,734 INFO L290 TraceCheckUtils]: 17: Hoare triple {1077#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-28 01:16:13,734 INFO L290 TraceCheckUtils]: 16: Hoare triple {1077#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-28 01:16:13,734 INFO L290 TraceCheckUtils]: 15: Hoare triple {1077#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1077#true} is VALID [2022-04-28 01:16:13,735 INFO L272 TraceCheckUtils]: 14: Hoare triple {1179#(< ~counter~0 100)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1077#true} is VALID [2022-04-28 01:16:13,735 INFO L290 TraceCheckUtils]: 13: Hoare triple {1179#(< ~counter~0 100)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1179#(< ~counter~0 100)} is VALID [2022-04-28 01:16:13,735 INFO L290 TraceCheckUtils]: 12: Hoare triple {1207#(< ~counter~0 99)} [90] L46-2-->L33-1: 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] {1179#(< ~counter~0 100)} is VALID [2022-04-28 01:16:13,736 INFO L290 TraceCheckUtils]: 11: Hoare triple {1207#(< ~counter~0 99)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,736 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1077#true} {1207#(< ~counter~0 99)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,736 INFO L290 TraceCheckUtils]: 9: Hoare triple {1077#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-28 01:16:13,736 INFO L290 TraceCheckUtils]: 8: Hoare triple {1077#true} [92] L9-->L9-2: 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[] {1077#true} is VALID [2022-04-28 01:16:13,737 INFO L290 TraceCheckUtils]: 7: Hoare triple {1077#true} [88] assume_abort_if_notENTRY-->L9: 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] {1077#true} is VALID [2022-04-28 01:16:13,737 INFO L272 TraceCheckUtils]: 6: Hoare triple {1207#(< ~counter~0 99)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1077#true} is VALID [2022-04-28 01:16:13,737 INFO L290 TraceCheckUtils]: 5: Hoare triple {1207#(< ~counter~0 99)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,738 INFO L272 TraceCheckUtils]: 4: Hoare triple {1207#(< ~counter~0 99)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,738 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1207#(< ~counter~0 99)} {1077#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,738 INFO L290 TraceCheckUtils]: 2: Hoare triple {1207#(< ~counter~0 99)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,739 INFO L290 TraceCheckUtils]: 1: Hoare triple {1077#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1207#(< ~counter~0 99)} is VALID [2022-04-28 01:16:13,739 INFO L272 TraceCheckUtils]: 0: Hoare triple {1077#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1077#true} is VALID [2022-04-28 01:16:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:16:13,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:16:13,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044110437] [2022-04-28 01:16:13,739 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:16:13,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678438098] [2022-04-28 01:16:13,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678438098] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:16:13,739 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:16:13,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-04-28 01:16:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751887240] [2022-04-28 01:16:13,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:16:13,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-28 01:16:13,741 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:16:13,741 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-28 01:16:13,773 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:16:13,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 01:16:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:16:13,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 01:16:13,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-04-28 01:16:13,773 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-28 01:16:13,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:13,993 INFO L93 Difference]: Finished difference Result 103 states and 123 transitions. [2022-04-28 01:16:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 01:16:13,993 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 27 [2022-04-28 01:16:13,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:16:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-28 01:16:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 106 transitions. [2022-04-28 01:16:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-28 01:16:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 106 transitions. [2022-04-28 01:16:13,997 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 106 transitions. [2022-04-28 01:16:14,066 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:16:14,068 INFO L225 Difference]: With dead ends: 103 [2022-04-28 01:16:14,068 INFO L226 Difference]: Without dead ends: 93 [2022-04-28 01:16:14,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-04-28 01:16:14,069 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 55 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 01:16:14,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 182 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 01:16:14,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-04-28 01:16:14,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2022-04-28 01:16:14,108 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:16:14,108 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-28 01:16:14,108 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-28 01:16:14,108 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-28 01:16:14,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:14,111 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-28 01:16:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-28 01:16:14,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:16:14,111 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:16:14,111 INFO L74 IsIncluded]: Start isIncluded. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-28 01:16:14,112 INFO L87 Difference]: Start difference. First operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand 93 states. [2022-04-28 01:16:14,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:16:14,114 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2022-04-28 01:16:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2022-04-28 01:16:14,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:16:14,114 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:16:14,114 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:16:14,114 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:16:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 64 states have internal predecessors, (80), 16 states have call successors, (16), 12 states have call predecessors, (16), 10 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-04-28 01:16:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 107 transitions. [2022-04-28 01:16:14,117 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 107 transitions. Word has length 27 [2022-04-28 01:16:14,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:16:14,117 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 107 transitions. [2022-04-28 01:16:14,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 6 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-04-28 01:16:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2022-04-28 01:16:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-28 01:16:14,117 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:16:14,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:16:14,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-04-28 01:16:14,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:16:14,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:16:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:16:14,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2116787731, now seen corresponding path program 1 times [2022-04-28 01:16:14,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:16:14,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808010978] [2022-04-28 01:16:14,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:16:14,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:16:14,341 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:16:14,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109283930] [2022-04-28 01:16:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:16:14,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:16:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:16:14,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:16:14,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 01:16:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:16:14,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjunts are in the unsatisfiable core [2022-04-28 01:16:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:16:14,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:16:15,497 INFO L272 TraceCheckUtils]: 0: Hoare triple {1697#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L290 TraceCheckUtils]: 1: Hoare triple {1697#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L290 TraceCheckUtils]: 2: Hoare triple {1697#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1697#true} {1697#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L272 TraceCheckUtils]: 4: Hoare triple {1697#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L290 TraceCheckUtils]: 5: Hoare triple {1697#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1697#true} is VALID [2022-04-28 01:16:15,498 INFO L272 TraceCheckUtils]: 6: Hoare triple {1697#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1697#true} is VALID [2022-04-28 01:16:15,499 INFO L290 TraceCheckUtils]: 7: Hoare triple {1697#true} [88] assume_abort_if_notENTRY-->L9: 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] {1723#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 01:16:15,499 INFO L290 TraceCheckUtils]: 8: Hoare triple {1723#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:16:15,500 INFO L290 TraceCheckUtils]: 9: Hoare triple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:16:15,500 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} {1697#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1734#(<= 1 main_~y~0)} is VALID [2022-04-28 01:16:15,501 INFO L290 TraceCheckUtils]: 11: Hoare triple {1734#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:16:15,501 INFO L290 TraceCheckUtils]: 12: Hoare triple {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [90] L46-2-->L33-1: 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] {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:16:15,501 INFO L290 TraceCheckUtils]: 13: Hoare triple {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:16:15,502 INFO L272 TraceCheckUtils]: 14: Hoare triple {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1697#true} is VALID [2022-04-28 01:16:15,502 INFO L290 TraceCheckUtils]: 15: Hoare triple {1697#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1751#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:16:15,502 INFO L290 TraceCheckUtils]: 16: Hoare triple {1751#(= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:16:15,502 INFO L290 TraceCheckUtils]: 17: Hoare triple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:16:15,503 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:16:15,503 INFO L290 TraceCheckUtils]: 19: Hoare triple {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} is VALID [2022-04-28 01:16:15,504 INFO L290 TraceCheckUtils]: 20: Hoare triple {1738#(and (= main_~b~0 main_~y~0) (= main_~q~0 0) (<= 1 main_~y~0) (= main_~a~0 main_~x~0) (= main_~p~0 1))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-28 01:16:15,505 INFO L290 TraceCheckUtils]: 21: Hoare triple {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [90] L46-2-->L33-1: 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] {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-28 01:16:15,505 INFO L290 TraceCheckUtils]: 22: Hoare triple {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} is VALID [2022-04-28 01:16:15,508 INFO L272 TraceCheckUtils]: 23: Hoare triple {1768#(and (= (div main_~y~0 2) main_~b~0) (<= (mod main_~y~0 2) 0) (= main_~q~0 0) (= main_~p~0 4) (= (div main_~x~0 2) main_~a~0) (<= 1 main_~y~0) (= (mod main_~x~0 2) 0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:16:15,508 INFO L290 TraceCheckUtils]: 24: Hoare triple {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1782#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:16:15,508 INFO L290 TraceCheckUtils]: 25: Hoare triple {1782#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-28 01:16:15,509 INFO L290 TraceCheckUtils]: 26: Hoare triple {1698#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-28 01:16:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:16:15,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:17:29,668 INFO L290 TraceCheckUtils]: 26: Hoare triple {1698#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-28 01:17:29,668 INFO L290 TraceCheckUtils]: 25: Hoare triple {1782#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {1698#false} is VALID [2022-04-28 01:17:29,669 INFO L290 TraceCheckUtils]: 24: Hoare triple {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1782#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:17:29,670 INFO L272 TraceCheckUtils]: 23: Hoare triple {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1778#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:17:29,670 INFO L290 TraceCheckUtils]: 22: Hoare triple {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-28 01:17:29,670 INFO L290 TraceCheckUtils]: 21: Hoare triple {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} [90] L46-2-->L33-1: 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] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-28 01:17:29,674 INFO L290 TraceCheckUtils]: 20: Hoare triple {1808#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {1798#(= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))} is VALID [2022-04-28 01:17:29,675 INFO L290 TraceCheckUtils]: 19: Hoare triple {1808#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {1808#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-28 01:17:29,682 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1808#(or (and (or (not (= (mod main_~b~0 2) 0)) (= (+ (* (div main_~b~0 2) (* main_~p~0 4) (div main_~a~0 2)) main_~q~0) (* main_~y~0 main_~x~0))) (or (= (mod main_~b~0 2) 0) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))) (not (= (mod main_~a~0 2) 0)) (and (not (< main_~b~0 0)) (not (<= (mod main_~b~0 2) 0))))} is VALID [2022-04-28 01:17:29,682 INFO L290 TraceCheckUtils]: 17: Hoare triple {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:17:29,682 INFO L290 TraceCheckUtils]: 16: Hoare triple {1825#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {1755#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-28 01:17:29,683 INFO L290 TraceCheckUtils]: 15: Hoare triple {1697#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {1825#(or (not (= |__VERIFIER_assert_#in~cond| 0)) (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 01:17:29,683 INFO L272 TraceCheckUtils]: 14: Hoare triple {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1697#true} is VALID [2022-04-28 01:17:29,683 INFO L290 TraceCheckUtils]: 13: Hoare triple {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 01:17:29,684 INFO L290 TraceCheckUtils]: 12: Hoare triple {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} [90] L46-2-->L33-1: 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] {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 01:17:29,684 INFO L290 TraceCheckUtils]: 11: Hoare triple {1838#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {1815#(or (not (= (mod main_~a~0 2) 0)) (= (mod main_~b~0 2) 0) (not (< main_~b~0 0)) (not (= (+ main_~q~0 (* main_~b~0 main_~a~0 main_~p~0)) (* main_~y~0 main_~x~0))) (= (+ main_~q~0 (* (+ (div main_~b~0 2) 1) (* main_~p~0 4) (div main_~a~0 2))) (* main_~y~0 main_~x~0)))} is VALID [2022-04-28 01:17:29,685 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} {1697#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1838#(or (<= 0 main_~y~0) (= (mod main_~y~0 2) 0) (= (+ (* (div main_~x~0 2) 4) (* (* (div main_~x~0 2) (div main_~y~0 2)) 4)) (* main_~y~0 main_~x~0)) (not (= (mod main_~x~0 2) 0)))} is VALID [2022-04-28 01:17:29,686 INFO L290 TraceCheckUtils]: 9: Hoare triple {1727#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:29,686 INFO L290 TraceCheckUtils]: 8: Hoare triple {1851#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} [92] L9-->L9-2: 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[] {1727#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:29,686 INFO L290 TraceCheckUtils]: 7: Hoare triple {1697#true} [88] assume_abort_if_notENTRY-->L9: 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] {1851#(or (not (= |assume_abort_if_not_#in~cond| 0)) (= assume_abort_if_not_~cond 0))} is VALID [2022-04-28 01:17:29,686 INFO L272 TraceCheckUtils]: 6: Hoare triple {1697#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {1697#true} is VALID [2022-04-28 01:17:29,686 INFO L290 TraceCheckUtils]: 5: Hoare triple {1697#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L272 TraceCheckUtils]: 4: Hoare triple {1697#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1697#true} {1697#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L290 TraceCheckUtils]: 2: Hoare triple {1697#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L290 TraceCheckUtils]: 1: Hoare triple {1697#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L272 TraceCheckUtils]: 0: Hoare triple {1697#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {1697#true} is VALID [2022-04-28 01:17:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:17:29,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:17:29,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808010978] [2022-04-28 01:17:29,687 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:17:29,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109283930] [2022-04-28 01:17:29,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109283930] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:17:29,688 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:17:29,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 17 [2022-04-28 01:17:29,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005321223] [2022-04-28 01:17:29,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:17:29,688 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-28 01:17:29,688 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:17:29,689 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:29,728 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:29,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-28 01:17:29,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:17:29,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-28 01:17:29,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-04-28 01:17:29,729 INFO L87 Difference]: Start difference. First operand 87 states and 107 transitions. Second operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:33,358 INFO L93 Difference]: Finished difference Result 127 states and 164 transitions. [2022-04-28 01:17:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-28 01:17:33,358 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 27 [2022-04-28 01:17:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:17:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-28 01:17:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 83 transitions. [2022-04-28 01:17:33,361 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 83 transitions. [2022-04-28 01:17:33,562 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:33,565 INFO L225 Difference]: With dead ends: 127 [2022-04-28 01:17:33,565 INFO L226 Difference]: Without dead ends: 121 [2022-04-28 01:17:33,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2022-04-28 01:17:33,567 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 99 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 01:17:33,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 144 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 01:17:33,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-04-28 01:17:33,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 79. [2022-04-28 01:17:33,617 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:17:33,618 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-28 01:17:33,618 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-28 01:17:33,618 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-28 01:17:33,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:33,621 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-28 01:17:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-28 01:17:33,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:33,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:33,621 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-28 01:17:33,622 INFO L87 Difference]: Start difference. First operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand 121 states. [2022-04-28 01:17:33,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:33,624 INFO L93 Difference]: Finished difference Result 121 states and 156 transitions. [2022-04-28 01:17:33,625 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 156 transitions. [2022-04-28 01:17:33,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:33,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:33,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:17:33,625 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:17:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 59 states have internal predecessors, (75), 12 states have call successors, (12), 11 states have call predecessors, (12), 9 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-04-28 01:17:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 96 transitions. [2022-04-28 01:17:33,627 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 96 transitions. Word has length 27 [2022-04-28 01:17:33,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:17:33,627 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 96 transitions. [2022-04-28 01:17:33,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 14 states have internal predecessors, (30), 5 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2022-04-28 01:17:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-28 01:17:33,627 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:17:33,628 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, 1] [2022-04-28 01:17:33,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-28 01:17:33,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:33,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:17:33,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:17:33,844 INFO L85 PathProgramCache]: Analyzing trace with hash -410392694, now seen corresponding path program 1 times [2022-04-28 01:17:33,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:17:33,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101103286] [2022-04-28 01:17:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:33,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:17:33,859 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:17:33,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939256969] [2022-04-28 01:17:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:33,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:33,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:17:33,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:17:33,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 01:17:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:33,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2022-04-28 01:17:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:33,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:17:34,029 INFO L272 TraceCheckUtils]: 0: Hoare triple {2407#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,029 INFO L290 TraceCheckUtils]: 1: Hoare triple {2407#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {2407#true} is VALID [2022-04-28 01:17:34,029 INFO L290 TraceCheckUtils]: 2: Hoare triple {2407#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,029 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2407#true} {2407#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,030 INFO L272 TraceCheckUtils]: 4: Hoare triple {2407#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,030 INFO L290 TraceCheckUtils]: 5: Hoare triple {2407#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2407#true} is VALID [2022-04-28 01:17:34,030 INFO L272 TraceCheckUtils]: 6: Hoare triple {2407#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2407#true} is VALID [2022-04-28 01:17:34,030 INFO L290 TraceCheckUtils]: 7: Hoare triple {2407#true} [88] assume_abort_if_notENTRY-->L9: 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] {2433#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 01:17:34,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {2433#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {2437#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:34,031 INFO L290 TraceCheckUtils]: 9: Hoare triple {2437#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2437#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:34,031 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {2437#(not (= |assume_abort_if_not_#in~cond| 0))} {2407#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {2444#(<= 1 main_~y~0)} is VALID [2022-04-28 01:17:34,031 INFO L290 TraceCheckUtils]: 11: Hoare triple {2444#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {2448#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:34,032 INFO L290 TraceCheckUtils]: 12: Hoare triple {2448#(<= 1 main_~b~0)} [90] L46-2-->L33-1: 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] {2448#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:34,032 INFO L290 TraceCheckUtils]: 13: Hoare triple {2448#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {2448#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:34,032 INFO L272 TraceCheckUtils]: 14: Hoare triple {2448#(<= 1 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2407#true} is VALID [2022-04-28 01:17:34,032 INFO L290 TraceCheckUtils]: 15: Hoare triple {2407#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2407#true} is VALID [2022-04-28 01:17:34,032 INFO L290 TraceCheckUtils]: 16: Hoare triple {2407#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,032 INFO L290 TraceCheckUtils]: 17: Hoare triple {2407#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,033 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2407#true} {2448#(<= 1 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {2448#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:34,034 INFO L290 TraceCheckUtils]: 19: Hoare triple {2448#(<= 1 main_~b~0)} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-28 01:17:34,034 INFO L272 TraceCheckUtils]: 20: Hoare triple {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2407#true} is VALID [2022-04-28 01:17:34,034 INFO L290 TraceCheckUtils]: 21: Hoare triple {2407#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2407#true} is VALID [2022-04-28 01:17:34,034 INFO L290 TraceCheckUtils]: 22: Hoare triple {2407#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,034 INFO L290 TraceCheckUtils]: 23: Hoare triple {2407#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2407#true} is VALID [2022-04-28 01:17:34,034 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {2407#true} {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} is VALID [2022-04-28 01:17:34,035 INFO L272 TraceCheckUtils]: 25: Hoare triple {2473#(and (= main_~a~0 0) (<= 1 main_~b~0))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {2492#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:17:34,035 INFO L290 TraceCheckUtils]: 26: Hoare triple {2492#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {2496#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:17:34,036 INFO L290 TraceCheckUtils]: 27: Hoare triple {2496#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {2408#false} is VALID [2022-04-28 01:17:34,036 INFO L290 TraceCheckUtils]: 28: Hoare triple {2408#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {2408#false} is VALID [2022-04-28 01:17:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-04-28 01:17:34,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:17:34,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:17:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101103286] [2022-04-28 01:17:34,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:17:34,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939256969] [2022-04-28 01:17:34,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939256969] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:17:34,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:17:34,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-28 01:17:34,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798267521] [2022-04-28 01:17:34,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:17:34,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-28 01:17:34,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:17:34,037 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:17:34,056 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:34,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-28 01:17:34,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:17:34,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-28 01:17:34,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-04-28 01:17:34,057 INFO L87 Difference]: Start difference. First operand 79 states and 96 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:17:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:34,403 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2022-04-28 01:17:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 01:17:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 29 [2022-04-28 01:17:34,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:17:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:17:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-28 01:17:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:17:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 57 transitions. [2022-04-28 01:17:34,405 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 57 transitions. [2022-04-28 01:17:34,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:34,449 INFO L225 Difference]: With dead ends: 116 [2022-04-28 01:17:34,449 INFO L226 Difference]: Without dead ends: 104 [2022-04-28 01:17:34,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-04-28 01:17:34,449 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 33 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:17:34,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 141 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:17:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-04-28 01:17:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2022-04-28 01:17:34,521 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:17:34,522 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 01:17:34,522 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 01:17:34,523 INFO L87 Difference]: Start difference. First operand 104 states. Second operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 01:17:34,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:34,527 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-28 01:17:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-28 01:17:34,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:34,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:34,527 INFO L74 IsIncluded]: Start isIncluded. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-28 01:17:34,528 INFO L87 Difference]: Start difference. First operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand 104 states. [2022-04-28 01:17:34,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:34,530 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-04-28 01:17:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-04-28 01:17:34,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:34,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:34,530 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:17:34,530 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:17:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 76 states have internal predecessors, (98), 15 states have call successors, (15), 11 states have call predecessors, (15), 9 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2022-04-28 01:17:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2022-04-28 01:17:34,535 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 29 [2022-04-28 01:17:34,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:17:34,535 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2022-04-28 01:17:34,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-04-28 01:17:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2022-04-28 01:17:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-28 01:17:34,536 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:17:34,537 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:17:34,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-28 01:17:34,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:34,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:17:34,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:17:34,748 INFO L85 PathProgramCache]: Analyzing trace with hash 159893073, now seen corresponding path program 1 times [2022-04-28 01:17:34,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:17:34,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452687800] [2022-04-28 01:17:34,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:34,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:17:34,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:17:34,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662227789] [2022-04-28 01:17:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:34,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:34,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:17:34,759 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:17:34,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 01:17:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:34,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 01:17:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:34,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:17:34,909 INFO L272 TraceCheckUtils]: 0: Hoare triple {3011#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,909 INFO L290 TraceCheckUtils]: 1: Hoare triple {3011#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {3011#true} is VALID [2022-04-28 01:17:34,909 INFO L290 TraceCheckUtils]: 2: Hoare triple {3011#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3011#true} {3011#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L272 TraceCheckUtils]: 4: Hoare triple {3011#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 5: Hoare triple {3011#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L272 TraceCheckUtils]: 6: Hoare triple {3011#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 7: Hoare triple {3011#true} [88] assume_abort_if_notENTRY-->L9: 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] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 8: Hoare triple {3011#true} [92] L9-->L9-2: 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[] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 9: Hoare triple {3011#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3011#true} {3011#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 11: Hoare triple {3011#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 12: Hoare triple {3011#true} [90] L46-2-->L33-1: 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] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L290 TraceCheckUtils]: 13: Hoare triple {3011#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3011#true} is VALID [2022-04-28 01:17:34,910 INFO L272 TraceCheckUtils]: 14: Hoare triple {3011#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3011#true} is VALID [2022-04-28 01:17:34,911 INFO L290 TraceCheckUtils]: 15: Hoare triple {3011#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3011#true} is VALID [2022-04-28 01:17:34,911 INFO L290 TraceCheckUtils]: 16: Hoare triple {3011#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,911 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3011#true} {3011#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3011#true} is VALID [2022-04-28 01:17:34,915 INFO L290 TraceCheckUtils]: 19: Hoare triple {3011#true} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,916 INFO L290 TraceCheckUtils]: 20: Hoare triple {3073#(not (= main_~a~0 0))} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,916 INFO L290 TraceCheckUtils]: 21: Hoare triple {3073#(not (= main_~a~0 0))} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,916 INFO L290 TraceCheckUtils]: 22: Hoare triple {3073#(not (= main_~a~0 0))} [113] L46-->L46-2: Formula: (and (= v_main_~q~0_3 (+ (* v_main_~a~0_5 v_main_~p~0_2) v_main_~q~0_4)) (= (+ (- 1) v_main_~b~0_5) v_main_~b~0_4) (= (let ((.cse0 (mod v_main_~a~0_5 2))) (ite (and (not (= .cse0 0)) (< v_main_~a~0_5 0)) (+ .cse0 (- 2)) .cse0)) 0) (= (let ((.cse1 (mod v_main_~b~0_5 2))) (ite (and (< v_main_~b~0_5 0) (not (= 0 .cse1))) (+ (- 2) .cse1) .cse1)) 1)) InVars {main_~q~0=v_main_~q~0_4, main_~b~0=v_main_~b~0_5, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} OutVars{main_~q~0=v_main_~q~0_3, main_~b~0=v_main_~b~0_4, main_~p~0=v_main_~p~0_2, main_~a~0=v_main_~a~0_5} AuxVars[] AssignedVars[main_~q~0, main_~b~0] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,917 INFO L290 TraceCheckUtils]: 23: Hoare triple {3073#(not (= main_~a~0 0))} [90] L46-2-->L33-1: 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] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,917 INFO L290 TraceCheckUtils]: 24: Hoare triple {3073#(not (= main_~a~0 0))} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,917 INFO L272 TraceCheckUtils]: 25: Hoare triple {3073#(not (= main_~a~0 0))} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3011#true} is VALID [2022-04-28 01:17:34,917 INFO L290 TraceCheckUtils]: 26: Hoare triple {3011#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3011#true} is VALID [2022-04-28 01:17:34,917 INFO L290 TraceCheckUtils]: 27: Hoare triple {3011#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,917 INFO L290 TraceCheckUtils]: 28: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,918 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3011#true} {3073#(not (= main_~a~0 0))} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3073#(not (= main_~a~0 0))} is VALID [2022-04-28 01:17:34,919 INFO L290 TraceCheckUtils]: 30: Hoare triple {3073#(not (= main_~a~0 0))} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-28 01:17:34,919 INFO L272 TraceCheckUtils]: 31: Hoare triple {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3011#true} is VALID [2022-04-28 01:17:34,919 INFO L290 TraceCheckUtils]: 32: Hoare triple {3011#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3011#true} is VALID [2022-04-28 01:17:34,919 INFO L290 TraceCheckUtils]: 33: Hoare triple {3011#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,919 INFO L290 TraceCheckUtils]: 34: Hoare triple {3011#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3011#true} is VALID [2022-04-28 01:17:34,920 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3011#true} {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} is VALID [2022-04-28 01:17:34,920 INFO L272 TraceCheckUtils]: 36: Hoare triple {3107#(and (= main_~b~0 0) (not (= main_~a~0 0)))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {3126#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:17:34,921 INFO L290 TraceCheckUtils]: 37: Hoare triple {3126#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3130#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:17:34,921 INFO L290 TraceCheckUtils]: 38: Hoare triple {3130#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3012#false} is VALID [2022-04-28 01:17:34,921 INFO L290 TraceCheckUtils]: 39: Hoare triple {3012#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3012#false} is VALID [2022-04-28 01:17:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-28 01:17:34,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-04-28 01:17:34,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:17:34,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452687800] [2022-04-28 01:17:34,921 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:17:34,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662227789] [2022-04-28 01:17:34,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662227789] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 01:17:34,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 01:17:34,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 01:17:34,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587156826] [2022-04-28 01:17:34,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:17:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-28 01:17:34,922 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:17:34,922 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:34,947 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:34,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 01:17:34,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:17:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 01:17:34,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-28 01:17:34,948 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:35,253 INFO L93 Difference]: Finished difference Result 141 states and 180 transitions. [2022-04-28 01:17:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 01:17:35,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-04-28 01:17:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:17:35,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-04-28 01:17:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:35,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 51 transitions. [2022-04-28 01:17:35,255 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 51 transitions. [2022-04-28 01:17:35,294 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:35,296 INFO L225 Difference]: With dead ends: 141 [2022-04-28 01:17:35,296 INFO L226 Difference]: Without dead ends: 129 [2022-04-28 01:17:35,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-04-28 01:17:35,297 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:17:35,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 116 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:17:35,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-04-28 01:17:35,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 113. [2022-04-28 01:17:35,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:17:35,359 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-28 01:17:35,359 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-28 01:17:35,359 INFO L87 Difference]: Start difference. First operand 129 states. Second operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-28 01:17:35,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:35,362 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-28 01:17:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-28 01:17:35,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:35,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:35,363 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-28 01:17:35,363 INFO L87 Difference]: Start difference. First operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) Second operand 129 states. [2022-04-28 01:17:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:35,366 INFO L93 Difference]: Finished difference Result 129 states and 164 transitions. [2022-04-28 01:17:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2022-04-28 01:17:35,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:35,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:35,366 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:17:35,366 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:17:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 87 states have internal predecessors, (110), 18 states have call successors, (18), 11 states have call predecessors, (18), 9 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2022-04-28 01:17:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 143 transitions. [2022-04-28 01:17:35,369 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 143 transitions. Word has length 40 [2022-04-28 01:17:35,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:17:35,369 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 143 transitions. [2022-04-28 01:17:35,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-04-28 01:17:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2022-04-28 01:17:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-28 01:17:35,369 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:17:35,370 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:17:35,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 01:17:35,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:35,593 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:17:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:17:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash -837179280, now seen corresponding path program 1 times [2022-04-28 01:17:35,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:17:35,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321009229] [2022-04-28 01:17:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:17:35,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:17:35,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316230706] [2022-04-28 01:17:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:35,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:35,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:17:35,605 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:17:35,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-28 01:17:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:35,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-28 01:17:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:35,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:17:35,869 WARN L828 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-04-28 01:17:35,908 INFO L272 TraceCheckUtils]: 0: Hoare triple {3749#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {3749#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L290 TraceCheckUtils]: 2: Hoare triple {3749#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3749#true} {3749#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L272 TraceCheckUtils]: 4: Hoare triple {3749#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L290 TraceCheckUtils]: 5: Hoare triple {3749#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:35,908 INFO L272 TraceCheckUtils]: 6: Hoare triple {3749#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3749#true} is VALID [2022-04-28 01:17:35,909 INFO L290 TraceCheckUtils]: 7: Hoare triple {3749#true} [88] assume_abort_if_notENTRY-->L9: 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] {3775#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} is VALID [2022-04-28 01:17:35,909 INFO L290 TraceCheckUtils]: 8: Hoare triple {3775#(= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|)} [92] L9-->L9-2: 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[] {3779#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:35,909 INFO L290 TraceCheckUtils]: 9: Hoare triple {3779#(not (= |assume_abort_if_not_#in~cond| 0))} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3779#(not (= |assume_abort_if_not_#in~cond| 0))} is VALID [2022-04-28 01:17:35,910 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3779#(not (= |assume_abort_if_not_#in~cond| 0))} {3749#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3786#(<= 1 main_~y~0)} is VALID [2022-04-28 01:17:35,910 INFO L290 TraceCheckUtils]: 11: Hoare triple {3786#(<= 1 main_~y~0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,911 INFO L290 TraceCheckUtils]: 12: Hoare triple {3790#(<= 1 main_~b~0)} [90] L46-2-->L33-1: 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] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,911 INFO L290 TraceCheckUtils]: 13: Hoare triple {3790#(<= 1 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,911 INFO L272 TraceCheckUtils]: 14: Hoare triple {3790#(<= 1 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:35,911 INFO L290 TraceCheckUtils]: 15: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:35,911 INFO L290 TraceCheckUtils]: 16: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,912 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3749#true} {3790#(<= 1 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {3790#(<= 1 main_~b~0)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,913 INFO L290 TraceCheckUtils]: 20: Hoare triple {3790#(<= 1 main_~b~0)} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,913 INFO L290 TraceCheckUtils]: 21: Hoare triple {3790#(<= 1 main_~b~0)} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3790#(<= 1 main_~b~0)} is VALID [2022-04-28 01:17:35,914 INFO L290 TraceCheckUtils]: 22: Hoare triple {3790#(<= 1 main_~b~0)} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3824#(<= 0 main_~b~0)} is VALID [2022-04-28 01:17:35,914 INFO L290 TraceCheckUtils]: 23: Hoare triple {3824#(<= 0 main_~b~0)} [90] L46-2-->L33-1: 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] {3824#(<= 0 main_~b~0)} is VALID [2022-04-28 01:17:35,914 INFO L290 TraceCheckUtils]: 24: Hoare triple {3824#(<= 0 main_~b~0)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3824#(<= 0 main_~b~0)} is VALID [2022-04-28 01:17:35,914 INFO L272 TraceCheckUtils]: 25: Hoare triple {3824#(<= 0 main_~b~0)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:35,915 INFO L290 TraceCheckUtils]: 26: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:35,915 INFO L290 TraceCheckUtils]: 27: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,915 INFO L290 TraceCheckUtils]: 28: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,915 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3749#true} {3824#(<= 0 main_~b~0)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3824#(<= 0 main_~b~0)} is VALID [2022-04-28 01:17:35,916 INFO L290 TraceCheckUtils]: 30: Hoare triple {3824#(<= 0 main_~b~0)} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-28 01:17:35,916 INFO L272 TraceCheckUtils]: 31: Hoare triple {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3749#true} is VALID [2022-04-28 01:17:35,916 INFO L290 TraceCheckUtils]: 32: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:35,916 INFO L290 TraceCheckUtils]: 33: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,916 INFO L290 TraceCheckUtils]: 34: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:35,917 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3749#true} {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} is VALID [2022-04-28 01:17:35,918 INFO L272 TraceCheckUtils]: 36: Hoare triple {3849#(and (or (= main_~a~0 0) (= main_~b~0 0)) (<= 0 main_~b~0))} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:17:35,919 INFO L290 TraceCheckUtils]: 37: Hoare triple {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:17:35,919 INFO L290 TraceCheckUtils]: 38: Hoare triple {3872#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-28 01:17:35,919 INFO L290 TraceCheckUtils]: 39: Hoare triple {3750#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-28 01:17:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-04-28 01:17:35,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:17:36,120 INFO L290 TraceCheckUtils]: 39: Hoare triple {3750#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-28 01:17:36,121 INFO L290 TraceCheckUtils]: 38: Hoare triple {3872#(<= 1 __VERIFIER_assert_~cond)} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {3750#false} is VALID [2022-04-28 01:17:36,121 INFO L290 TraceCheckUtils]: 37: Hoare triple {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3872#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 01:17:36,122 INFO L272 TraceCheckUtils]: 36: Hoare triple {3888#(= (* main_~b~0 main_~a~0) 0)} [97] L56-->__VERIFIER_assertENTRY: Formula: (= (ite (= (* v_main_~a~0_17 v_main_~b~0_17) 0) 1 0) |v___VERIFIER_assert_#in~condInParam_3|) InVars {main_~b~0=v_main_~b~0_17, main_~a~0=v_main_~a~0_17} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_3|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~b~0, main_~a~0] {3868#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 01:17:36,122 INFO L284 TraceCheckUtils]: 35: Hoare quadruple {3749#true} {3888#(= (* main_~b~0 main_~a~0) 0)} [119] __VERIFIER_assertEXIT-->L56: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3888#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-28 01:17:36,122 INFO L290 TraceCheckUtils]: 34: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,122 INFO L290 TraceCheckUtils]: 33: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,123 INFO L290 TraceCheckUtils]: 32: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:36,123 INFO L272 TraceCheckUtils]: 31: Hoare triple {3888#(= (* main_~b~0 main_~a~0) 0)} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 30: Hoare triple {3749#true} [103] L34-1-->L33-3: Formula: (or (= 0 v_main_~a~0_12) (= 0 v_main_~b~0_12)) InVars {main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} OutVars{main_~b~0=v_main_~b~0_12, main_~a~0=v_main_~a~0_12} AuxVars[] AssignedVars[] {3888#(= (* main_~b~0 main_~a~0) 0)} is VALID [2022-04-28 01:17:36,124 INFO L284 TraceCheckUtils]: 29: Hoare quadruple {3749#true} {3749#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 28: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 27: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 26: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L272 TraceCheckUtils]: 25: Hoare triple {3749#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 24: Hoare triple {3749#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3749#true} is VALID [2022-04-28 01:17:36,124 INFO L290 TraceCheckUtils]: 23: Hoare triple {3749#true} [90] L46-2-->L33-1: 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] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 22: Hoare triple {3749#true} [114] L46-->L46-2: Formula: (and (or (not (= (let ((.cse0 (mod v_main_~b~0_8 2))) (ite (and (< v_main_~b~0_8 0) (not (= .cse0 0))) (+ .cse0 (- 2)) .cse0)) 1)) (not (= (let ((.cse1 (mod v_main_~a~0_8 2))) (ite (and (< v_main_~a~0_8 0) (not (= .cse1 0))) (+ (- 2) .cse1) .cse1)) 0))) (= v_main_~q~0_6 (+ v_main_~q~0_7 (* v_main_~p~0_4 (+ v_main_~a~0_7 v_main_~b~0_7 1)))) (= v_main_~a~0_7 (+ (- 1) v_main_~a~0_8)) (= v_main_~b~0_7 (+ (- 1) v_main_~b~0_8))) InVars {main_~q~0=v_main_~q~0_7, main_~b~0=v_main_~b~0_8, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_8} OutVars{main_~q~0=v_main_~q~0_6, main_~b~0=v_main_~b~0_7, main_~p~0=v_main_~p~0_4, main_~a~0=v_main_~a~0_7} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 21: Hoare triple {3749#true} [112] L43-->L46: Formula: (or (not (= 0 (let ((.cse0 (mod v_main_~b~0_3 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_3 0)) (+ .cse0 (- 2)) .cse0)))) (not (= (let ((.cse1 (mod v_main_~a~0_4 2))) (ite (and (< v_main_~a~0_4 0) (not (= .cse1 0))) (+ .cse1 (- 2)) .cse1)) 1))) InVars {main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} OutVars{main_~b~0=v_main_~b~0_3, main_~a~0=v_main_~a~0_4} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 20: Hoare triple {3749#true} [110] L39-->L43: Formula: (or (not (= (let ((.cse0 (mod v_main_~b~0_1 2))) (ite (and (not (= .cse0 0)) (< v_main_~b~0_1 0)) (+ (- 2) .cse0) .cse0)) 0)) (not (= (let ((.cse1 (mod v_main_~a~0_1 2))) (ite (and (not (= .cse1 0)) (< v_main_~a~0_1 0)) (+ (- 2) .cse1) .cse1)) 0))) InVars {main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} OutVars{main_~b~0=v_main_~b~0_1, main_~a~0=v_main_~a~0_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 19: Hoare triple {3749#true} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3749#true} {3749#true} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 17: Hoare triple {3749#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 16: Hoare triple {3749#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 15: Hoare triple {3749#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L272 TraceCheckUtils]: 14: Hoare triple {3749#true} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 13: Hoare triple {3749#true} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 12: Hoare triple {3749#true} [90] L46-2-->L33-1: 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] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {3749#true} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,125 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {3749#true} {3749#true} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 9: Hoare triple {3749#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 8: Hoare triple {3749#true} [92] L9-->L9-2: 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[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 7: Hoare triple {3749#true} [88] assume_abort_if_notENTRY-->L9: 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] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L272 TraceCheckUtils]: 6: Hoare triple {3749#true} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 5: Hoare triple {3749#true} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L272 TraceCheckUtils]: 4: Hoare triple {3749#true} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3749#true} {3749#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 2: Hoare triple {3749#true} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L290 TraceCheckUtils]: 1: Hoare triple {3749#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L272 TraceCheckUtils]: 0: Hoare triple {3749#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {3749#true} is VALID [2022-04-28 01:17:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-04-28 01:17:36,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:17:36,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321009229] [2022-04-28 01:17:36,127 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:17:36,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316230706] [2022-04-28 01:17:36,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316230706] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-28 01:17:36,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-04-28 01:17:36,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2022-04-28 01:17:36,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393166197] [2022-04-28 01:17:36,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 01:17:36,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 40 [2022-04-28 01:17:36,128 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:17:36,128 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-04-28 01:17:36,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:36,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 01:17:36,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:17:36,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 01:17:36,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-04-28 01:17:36,150 INFO L87 Difference]: Start difference. First operand 113 states and 143 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-04-28 01:17:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:36,509 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2022-04-28 01:17:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 01:17:36,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 40 [2022-04-28 01:17:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:17:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-04-28 01:17:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-28 01:17:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-04-28 01:17:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-04-28 01:17:36,511 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 41 transitions. [2022-04-28 01:17:36,538 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:36,539 INFO L225 Difference]: With dead ends: 120 [2022-04-28 01:17:36,539 INFO L226 Difference]: Without dead ends: 100 [2022-04-28 01:17:36,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-04-28 01:17:36,540 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:17:36,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 122 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:17:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-04-28 01:17:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 66. [2022-04-28 01:17:36,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:17:36,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 01:17:36,576 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 01:17:36,576 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 01:17:36,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:36,579 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-28 01:17:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-28 01:17:36,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:36,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:36,580 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-28 01:17:36,580 INFO L87 Difference]: Start difference. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand 100 states. [2022-04-28 01:17:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:36,582 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2022-04-28 01:17:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 127 transitions. [2022-04-28 01:17:36,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:36,583 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:36,583 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:17:36,583 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:17:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 50 states have internal predecessors, (63), 9 states have call successors, (9), 8 states have call predecessors, (9), 7 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-04-28 01:17:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2022-04-28 01:17:36,585 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 40 [2022-04-28 01:17:36,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:17:36,586 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2022-04-28 01:17:36,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-04-28 01:17:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-04-28 01:17:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-28 01:17:36,586 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:17:36,586 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:17:36,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-28 01:17:36,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-04-28 01:17:36,801 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:17:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:17:36,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1169624165, now seen corresponding path program 2 times [2022-04-28 01:17:36,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:17:36,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044750776] [2022-04-28 01:17:36,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:36,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:17:36,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:17:36,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341858525] [2022-04-28 01:17:36,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 01:17:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:17:36,812 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:17:36,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-28 01:17:36,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 01:17:36,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 01:17:36,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 01:17:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 01:17:36,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 01:17:37,171 INFO L272 TraceCheckUtils]: 0: Hoare triple {4453#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,172 INFO L290 TraceCheckUtils]: 1: Hoare triple {4453#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,172 INFO L290 TraceCheckUtils]: 2: Hoare triple {4461#(<= ~counter~0 0)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,173 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4461#(<= ~counter~0 0)} {4453#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,173 INFO L272 TraceCheckUtils]: 4: Hoare triple {4461#(<= ~counter~0 0)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,174 INFO L290 TraceCheckUtils]: 5: Hoare triple {4461#(<= ~counter~0 0)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,174 INFO L272 TraceCheckUtils]: 6: Hoare triple {4461#(<= ~counter~0 0)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,175 INFO L290 TraceCheckUtils]: 7: Hoare triple {4461#(<= ~counter~0 0)} [88] assume_abort_if_notENTRY-->L9: 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] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,176 INFO L290 TraceCheckUtils]: 8: Hoare triple {4461#(<= ~counter~0 0)} [92] L9-->L9-2: 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[] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,178 INFO L290 TraceCheckUtils]: 9: Hoare triple {4461#(<= ~counter~0 0)} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,180 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4461#(<= ~counter~0 0)} {4461#(<= ~counter~0 0)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,181 INFO L290 TraceCheckUtils]: 11: Hoare triple {4461#(<= ~counter~0 0)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {4461#(<= ~counter~0 0)} is VALID [2022-04-28 01:17:37,181 INFO L290 TraceCheckUtils]: 12: Hoare triple {4461#(<= ~counter~0 0)} [90] L46-2-->L33-1: 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] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,182 INFO L290 TraceCheckUtils]: 13: Hoare triple {4495#(<= ~counter~0 1)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,182 INFO L272 TraceCheckUtils]: 14: Hoare triple {4495#(<= ~counter~0 1)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,184 INFO L290 TraceCheckUtils]: 15: Hoare triple {4495#(<= ~counter~0 1)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,184 INFO L290 TraceCheckUtils]: 16: Hoare triple {4495#(<= ~counter~0 1)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,184 INFO L290 TraceCheckUtils]: 17: Hoare triple {4495#(<= ~counter~0 1)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,187 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4495#(<= ~counter~0 1)} {4495#(<= ~counter~0 1)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,187 INFO L290 TraceCheckUtils]: 19: Hoare triple {4495#(<= ~counter~0 1)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,188 INFO L290 TraceCheckUtils]: 20: Hoare triple {4495#(<= ~counter~0 1)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4495#(<= ~counter~0 1)} is VALID [2022-04-28 01:17:37,188 INFO L290 TraceCheckUtils]: 21: Hoare triple {4495#(<= ~counter~0 1)} [90] L46-2-->L33-1: 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] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,188 INFO L290 TraceCheckUtils]: 22: Hoare triple {4523#(<= ~counter~0 2)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,189 INFO L272 TraceCheckUtils]: 23: Hoare triple {4523#(<= ~counter~0 2)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,189 INFO L290 TraceCheckUtils]: 24: Hoare triple {4523#(<= ~counter~0 2)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,190 INFO L290 TraceCheckUtils]: 25: Hoare triple {4523#(<= ~counter~0 2)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,191 INFO L290 TraceCheckUtils]: 26: Hoare triple {4523#(<= ~counter~0 2)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,191 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {4523#(<= ~counter~0 2)} {4523#(<= ~counter~0 2)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,192 INFO L290 TraceCheckUtils]: 28: Hoare triple {4523#(<= ~counter~0 2)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,192 INFO L290 TraceCheckUtils]: 29: Hoare triple {4523#(<= ~counter~0 2)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4523#(<= ~counter~0 2)} is VALID [2022-04-28 01:17:37,193 INFO L290 TraceCheckUtils]: 30: Hoare triple {4523#(<= ~counter~0 2)} [90] L46-2-->L33-1: 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] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,193 INFO L290 TraceCheckUtils]: 31: Hoare triple {4551#(<= ~counter~0 3)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,194 INFO L272 TraceCheckUtils]: 32: Hoare triple {4551#(<= ~counter~0 3)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,194 INFO L290 TraceCheckUtils]: 33: Hoare triple {4551#(<= ~counter~0 3)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,194 INFO L290 TraceCheckUtils]: 34: Hoare triple {4551#(<= ~counter~0 3)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,195 INFO L290 TraceCheckUtils]: 35: Hoare triple {4551#(<= ~counter~0 3)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,195 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4551#(<= ~counter~0 3)} {4551#(<= ~counter~0 3)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,195 INFO L290 TraceCheckUtils]: 37: Hoare triple {4551#(<= ~counter~0 3)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,196 INFO L290 TraceCheckUtils]: 38: Hoare triple {4551#(<= ~counter~0 3)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4551#(<= ~counter~0 3)} is VALID [2022-04-28 01:17:37,196 INFO L290 TraceCheckUtils]: 39: Hoare triple {4551#(<= ~counter~0 3)} [90] L46-2-->L33-1: 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] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,196 INFO L290 TraceCheckUtils]: 40: Hoare triple {4579#(<= ~counter~0 4)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,197 INFO L272 TraceCheckUtils]: 41: Hoare triple {4579#(<= ~counter~0 4)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,197 INFO L290 TraceCheckUtils]: 42: Hoare triple {4579#(<= ~counter~0 4)} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,197 INFO L290 TraceCheckUtils]: 43: Hoare triple {4579#(<= ~counter~0 4)} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,198 INFO L290 TraceCheckUtils]: 44: Hoare triple {4579#(<= ~counter~0 4)} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,198 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4579#(<= ~counter~0 4)} {4579#(<= ~counter~0 4)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,199 INFO L290 TraceCheckUtils]: 46: Hoare triple {4579#(<= ~counter~0 4)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,199 INFO L290 TraceCheckUtils]: 47: Hoare triple {4579#(<= ~counter~0 4)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4579#(<= ~counter~0 4)} is VALID [2022-04-28 01:17:37,199 INFO L290 TraceCheckUtils]: 48: Hoare triple {4579#(<= ~counter~0 4)} [90] L46-2-->L33-1: 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] {4607#(<= |main_#t~post6| 4)} is VALID [2022-04-28 01:17:37,200 INFO L290 TraceCheckUtils]: 49: Hoare triple {4607#(<= |main_#t~post6| 4)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 100)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4454#false} is VALID [2022-04-28 01:17:37,200 INFO L272 TraceCheckUtils]: 50: Hoare triple {4454#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {4454#false} is VALID [2022-04-28 01:17:37,200 INFO L290 TraceCheckUtils]: 51: Hoare triple {4454#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4454#false} is VALID [2022-04-28 01:17:37,200 INFO L290 TraceCheckUtils]: 52: Hoare triple {4454#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-28 01:17:37,200 INFO L290 TraceCheckUtils]: 53: Hoare triple {4454#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-28 01:17:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 01:17:37,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 01:17:37,515 INFO L290 TraceCheckUtils]: 53: Hoare triple {4454#false} [106] L13-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-28 01:17:37,515 INFO L290 TraceCheckUtils]: 52: Hoare triple {4454#false} [101] L12-->L13: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {4454#false} is VALID [2022-04-28 01:17:37,516 INFO L290 TraceCheckUtils]: 51: Hoare triple {4454#false} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4454#false} is VALID [2022-04-28 01:17:37,516 INFO L272 TraceCheckUtils]: 50: Hoare triple {4454#false} [93] L33-3-->__VERIFIER_assertENTRY: Formula: (= (ite (= v_main_~q~0_12 (* v_main_~y~0_10 v_main_~x~0_8)) 1 0) |v___VERIFIER_assert_#in~condInParam_2|) InVars {main_~q~0=v_main_~q~0_12, main_~y~0=v_main_~y~0_10, main_~x~0=v_main_~x~0_8} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_2|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0] {4454#false} is VALID [2022-04-28 01:17:37,516 INFO L290 TraceCheckUtils]: 49: Hoare triple {4635#(< |main_#t~post6| 100)} [94] L33-1-->L33-3: Formula: (not (< |v_main_#t~post6_3| 100)) InVars {main_#t~post6=|v_main_#t~post6_3|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4454#false} is VALID [2022-04-28 01:17:37,516 INFO L290 TraceCheckUtils]: 48: Hoare triple {4639#(< ~counter~0 100)} [90] L46-2-->L33-1: 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] {4635#(< |main_#t~post6| 100)} is VALID [2022-04-28 01:17:37,517 INFO L290 TraceCheckUtils]: 47: Hoare triple {4639#(< ~counter~0 100)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4639#(< ~counter~0 100)} is VALID [2022-04-28 01:17:37,517 INFO L290 TraceCheckUtils]: 46: Hoare triple {4639#(< ~counter~0 100)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4639#(< ~counter~0 100)} is VALID [2022-04-28 01:17:37,518 INFO L284 TraceCheckUtils]: 45: Hoare quadruple {4453#true} {4639#(< ~counter~0 100)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4639#(< ~counter~0 100)} is VALID [2022-04-28 01:17:37,518 INFO L290 TraceCheckUtils]: 44: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,518 INFO L290 TraceCheckUtils]: 43: Hoare triple {4453#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,518 INFO L290 TraceCheckUtils]: 42: Hoare triple {4453#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4453#true} is VALID [2022-04-28 01:17:37,519 INFO L272 TraceCheckUtils]: 41: Hoare triple {4639#(< ~counter~0 100)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4453#true} is VALID [2022-04-28 01:17:37,524 INFO L290 TraceCheckUtils]: 40: Hoare triple {4639#(< ~counter~0 100)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4639#(< ~counter~0 100)} is VALID [2022-04-28 01:17:37,525 INFO L290 TraceCheckUtils]: 39: Hoare triple {4667#(< ~counter~0 99)} [90] L46-2-->L33-1: 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] {4639#(< ~counter~0 100)} is VALID [2022-04-28 01:17:37,526 INFO L290 TraceCheckUtils]: 38: Hoare triple {4667#(< ~counter~0 99)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4667#(< ~counter~0 99)} is VALID [2022-04-28 01:17:37,526 INFO L290 TraceCheckUtils]: 37: Hoare triple {4667#(< ~counter~0 99)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4667#(< ~counter~0 99)} is VALID [2022-04-28 01:17:37,527 INFO L284 TraceCheckUtils]: 36: Hoare quadruple {4453#true} {4667#(< ~counter~0 99)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4667#(< ~counter~0 99)} is VALID [2022-04-28 01:17:37,527 INFO L290 TraceCheckUtils]: 35: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,527 INFO L290 TraceCheckUtils]: 34: Hoare triple {4453#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,527 INFO L290 TraceCheckUtils]: 33: Hoare triple {4453#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4453#true} is VALID [2022-04-28 01:17:37,527 INFO L272 TraceCheckUtils]: 32: Hoare triple {4667#(< ~counter~0 99)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4453#true} is VALID [2022-04-28 01:17:37,528 INFO L290 TraceCheckUtils]: 31: Hoare triple {4667#(< ~counter~0 99)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4667#(< ~counter~0 99)} is VALID [2022-04-28 01:17:37,528 INFO L290 TraceCheckUtils]: 30: Hoare triple {4695#(< ~counter~0 98)} [90] L46-2-->L33-1: 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] {4667#(< ~counter~0 99)} is VALID [2022-04-28 01:17:37,529 INFO L290 TraceCheckUtils]: 29: Hoare triple {4695#(< ~counter~0 98)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4695#(< ~counter~0 98)} is VALID [2022-04-28 01:17:37,529 INFO L290 TraceCheckUtils]: 28: Hoare triple {4695#(< ~counter~0 98)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4695#(< ~counter~0 98)} is VALID [2022-04-28 01:17:37,530 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {4453#true} {4695#(< ~counter~0 98)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4695#(< ~counter~0 98)} is VALID [2022-04-28 01:17:37,530 INFO L290 TraceCheckUtils]: 26: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,530 INFO L290 TraceCheckUtils]: 25: Hoare triple {4453#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,530 INFO L290 TraceCheckUtils]: 24: Hoare triple {4453#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4453#true} is VALID [2022-04-28 01:17:37,530 INFO L272 TraceCheckUtils]: 23: Hoare triple {4695#(< ~counter~0 98)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4453#true} is VALID [2022-04-28 01:17:37,530 INFO L290 TraceCheckUtils]: 22: Hoare triple {4695#(< ~counter~0 98)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4695#(< ~counter~0 98)} is VALID [2022-04-28 01:17:37,531 INFO L290 TraceCheckUtils]: 21: Hoare triple {4723#(< ~counter~0 97)} [90] L46-2-->L33-1: 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] {4695#(< ~counter~0 98)} is VALID [2022-04-28 01:17:37,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {4723#(< ~counter~0 97)} [109] L39-->L46-2: Formula: (let ((.cse5 (mod v_main_~b~0_15 2)) (.cse3 (mod v_main_~a~0_15 2))) (let ((.cse2 (and (not (= .cse3 0)) (< v_main_~a~0_15 0))) (.cse0 (and (not (= .cse5 0)) (< v_main_~b~0_15 0)))) (and (= (let ((.cse1 (div v_main_~b~0_15 2))) (ite .cse0 (+ .cse1 1) .cse1)) v_main_~b~0_14) (= v_main_~p~0_7 (* v_main_~p~0_8 4)) (= (ite .cse2 (+ (- 2) .cse3) .cse3) 0) (= (let ((.cse4 (div v_main_~a~0_15 2))) (ite .cse2 (+ .cse4 1) .cse4)) v_main_~a~0_14) (= (ite .cse0 (+ (- 2) .cse5) .cse5) 0)))) InVars {main_~b~0=v_main_~b~0_15, main_~p~0=v_main_~p~0_8, main_~a~0=v_main_~a~0_15} OutVars{main_~b~0=v_main_~b~0_14, main_~p~0=v_main_~p~0_7, main_~a~0=v_main_~a~0_14} AuxVars[] AssignedVars[main_~b~0, main_~p~0, main_~a~0] {4723#(< ~counter~0 97)} is VALID [2022-04-28 01:17:37,532 INFO L290 TraceCheckUtils]: 19: Hoare triple {4723#(< ~counter~0 97)} [104] L34-1-->L39: Formula: (and (not (= 0 v_main_~b~0_13)) (not (= 0 v_main_~a~0_13))) InVars {main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} OutVars{main_~b~0=v_main_~b~0_13, main_~a~0=v_main_~a~0_13} AuxVars[] AssignedVars[] {4723#(< ~counter~0 97)} is VALID [2022-04-28 01:17:37,532 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4453#true} {4723#(< ~counter~0 97)} [118] __VERIFIER_assertEXIT-->L34-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4723#(< ~counter~0 97)} is VALID [2022-04-28 01:17:37,532 INFO L290 TraceCheckUtils]: 17: Hoare triple {4453#true} [108] L12-2-->__VERIFIER_assertEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,532 INFO L290 TraceCheckUtils]: 16: Hoare triple {4453#true} [102] L12-->L12-2: Formula: (not (= v___VERIFIER_assert_~cond_1 0)) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,533 INFO L290 TraceCheckUtils]: 15: Hoare triple {4453#true} [98] __VERIFIER_assertENTRY-->L12: Formula: (= v___VERIFIER_assert_~cond_2 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {4453#true} is VALID [2022-04-28 01:17:37,533 INFO L272 TraceCheckUtils]: 14: Hoare triple {4723#(< ~counter~0 97)} [99] L34-->__VERIFIER_assertENTRY: Formula: (= (ite (= (+ v_main_~q~0_11 (* v_main_~p~0_9 (* v_main_~a~0_16 v_main_~b~0_16))) (* v_main_~x~0_7 v_main_~y~0_9)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {main_~q~0=v_main_~q~0_11, main_~x~0=v_main_~x~0_7, main_~y~0=v_main_~y~0_9, main_~b~0=v_main_~b~0_16, main_~p~0=v_main_~p~0_9, main_~a~0=v_main_~a~0_16} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[main_~q~0, __VERIFIER_assert_#in~cond, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4453#true} is VALID [2022-04-28 01:17:37,533 INFO L290 TraceCheckUtils]: 13: Hoare triple {4723#(< ~counter~0 97)} [95] L33-1-->L34: Formula: (< |v_main_#t~post6_5| 100) InVars {main_#t~post6=|v_main_#t~post6_5|} OutVars{} AuxVars[] AssignedVars[main_#t~post6] {4723#(< ~counter~0 97)} is VALID [2022-04-28 01:17:37,534 INFO L290 TraceCheckUtils]: 12: Hoare triple {4751#(< ~counter~0 96)} [90] L46-2-->L33-1: 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] {4723#(< ~counter~0 97)} is VALID [2022-04-28 01:17:37,534 INFO L290 TraceCheckUtils]: 11: Hoare triple {4751#(< ~counter~0 96)} [87] L26-1-->L46-2: Formula: (and (= v_main_~a~0_9 v_main_~x~0_4) (= v_main_~b~0_9 v_main_~y~0_5) (= v_main_~q~0_8 0) (= v_main_~p~0_5 1)) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5} OutVars{main_~q~0=v_main_~q~0_8, main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_5, main_~b~0=v_main_~b~0_9, main_~p~0=v_main_~p~0_5, main_~a~0=v_main_~a~0_9} AuxVars[] AssignedVars[main_~q~0, main_~b~0, main_~p~0, main_~a~0] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,534 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {4453#true} {4751#(< ~counter~0 96)} [116] assume_abort_if_notEXIT-->L26-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,534 INFO L290 TraceCheckUtils]: 9: Hoare triple {4453#true} [96] L9-2-->assume_abort_if_notEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,534 INFO L290 TraceCheckUtils]: 8: Hoare triple {4453#true} [92] L9-->L9-2: 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[] {4453#true} is VALID [2022-04-28 01:17:37,535 INFO L290 TraceCheckUtils]: 7: Hoare triple {4453#true} [88] assume_abort_if_notENTRY-->L9: 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] {4453#true} is VALID [2022-04-28 01:17:37,535 INFO L272 TraceCheckUtils]: 6: Hoare triple {4751#(< ~counter~0 96)} [86] L26-->assume_abort_if_notENTRY: Formula: (= (ite (<= 1 v_main_~y~0_8) 1 0) |v_assume_abort_if_not_#in~condInParam_1|) InVars {main_~y~0=v_main_~y~0_8} OutVars{assume_abort_if_not_#in~cond=|v_assume_abort_if_not_#in~condInParam_1|} AuxVars[] AssignedVars[main_~y~0, assume_abort_if_not_#in~cond] {4453#true} is VALID [2022-04-28 01:17:37,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {4751#(< ~counter~0 96)} [84] mainENTRY-->L26: Formula: (and (<= |v_main_#t~nondet5_2| 2147483647) (= v_main_~x~0_1 |v_main_#t~nondet4_2|) (<= 0 (+ |v_main_#t~nondet4_2| 2147483648)) (<= |v_main_#t~nondet4_2| 2147483647) (<= 0 (+ |v_main_#t~nondet5_2| 2147483648)) (= v_main_~y~0_1 |v_main_#t~nondet5_2|)) InVars {main_#t~nondet5=|v_main_#t~nondet5_2|, main_#t~nondet4=|v_main_#t~nondet4_2|} OutVars{main_~q~0=v_main_~q~0_5, main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_~b~0=v_main_~b~0_6, main_~p~0=v_main_~p~0_3, main_~a~0=v_main_~a~0_6} AuxVars[] AssignedVars[main_#t~nondet5, main_~q~0, main_#t~nondet4, main_~x~0, main_~y~0, main_~b~0, main_~p~0, main_~a~0] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,535 INFO L272 TraceCheckUtils]: 4: Hoare triple {4751#(< ~counter~0 96)} [81] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,536 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4751#(< ~counter~0 96)} {4453#true} [115] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,536 INFO L290 TraceCheckUtils]: 2: Hoare triple {4751#(< ~counter~0 96)} [85] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {4453#true} [82] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= v_~counter~0_3 0) (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= (select |v_#length_1| 3) 12) (= (select |v_#length_1| 2) 13) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{~counter~0=v_~counter~0_3, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~counter~0, #NULL.offset, #NULL.base] {4751#(< ~counter~0 96)} is VALID [2022-04-28 01:17:37,537 INFO L272 TraceCheckUtils]: 0: Hoare triple {4453#true} [80] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {4453#true} is VALID [2022-04-28 01:17:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-04-28 01:17:37,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 01:17:37,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044750776] [2022-04-28 01:17:37,537 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-04-28 01:17:37,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341858525] [2022-04-28 01:17:37,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341858525] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 01:17:37,537 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-04-28 01:17:37,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-04-28 01:17:37,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2575767] [2022-04-28 01:17:37,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-04-28 01:17:37,538 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 54 [2022-04-28 01:17:37,539 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 01:17:37,539 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-28 01:17:37,614 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:37,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-28 01:17:37,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-28 01:17:37,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-28 01:17:37,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-04-28 01:17:37,615 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-28 01:17:38,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:38,252 INFO L93 Difference]: Finished difference Result 140 states and 177 transitions. [2022-04-28 01:17:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-28 01:17:38,253 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) Word has length 54 [2022-04-28 01:17:38,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 01:17:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-28 01:17:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 174 transitions. [2022-04-28 01:17:38,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-28 01:17:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 174 transitions. [2022-04-28 01:17:38,259 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 174 transitions. [2022-04-28 01:17:38,414 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 01:17:38,417 INFO L225 Difference]: With dead ends: 140 [2022-04-28 01:17:38,417 INFO L226 Difference]: Without dead ends: 132 [2022-04-28 01:17:38,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2022-04-28 01:17:38,418 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 223 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 01:17:38,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 240 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 01:17:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-04-28 01:17:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-04-28 01:17:38,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 01:17:38,501 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 01:17:38,501 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 01:17:38,501 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 01:17:38,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:38,504 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2022-04-28 01:17:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-28 01:17:38,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:38,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:38,504 INFO L74 IsIncluded]: Start isIncluded. First operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 132 states. [2022-04-28 01:17:38,505 INFO L87 Difference]: Start difference. First operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand 132 states. [2022-04-28 01:17:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 01:17:38,507 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2022-04-28 01:17:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-28 01:17:38,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 01:17:38,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 01:17:38,508 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 01:17:38,508 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 01:17:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 103 states have (on average 1.3106796116504855) internal successors, (135), 104 states have internal predecessors, (135), 15 states have call successors, (15), 14 states have call predecessors, (15), 13 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-04-28 01:17:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 163 transitions. [2022-04-28 01:17:38,510 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 163 transitions. Word has length 54 [2022-04-28 01:17:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 01:17:38,510 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 163 transitions. [2022-04-28 01:17:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 12 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (12), 10 states have call predecessors, (12), 11 states have call successors, (12) [2022-04-28 01:17:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2022-04-28 01:17:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-04-28 01:17:38,512 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 01:17:38,512 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 01:17:38,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-04-28 01:17:38,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-28 01:17:38,730 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 01:17:38,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 01:17:38,731 INFO L85 PathProgramCache]: Analyzing trace with hash 93180219, now seen corresponding path program 3 times [2022-04-28 01:17:38,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 01:17:38,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553953906] [2022-04-28 01:17:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 01:17:38,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 01:17:38,752 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-04-28 01:17:38,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102684074] [2022-04-28 01:17:38,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-04-28 01:17:38,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 01:17:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 01:17:38,772 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 01:17:38,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process